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171 Cards in this Set
- Front
- Back
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How many whole carpules of lidocaine 2% with 1:100,000 epinephrine can safely be administered to a child that weighs 46 pounds?
- 1 - 2 - 3 - 4 |
2
(46 lb) x (2 mg/lb) = 92 mg 92 mg x (1 carpule/34 mg) = 2.7 carpules |
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In order to adequately anesthetize tooth #T, you would provide:
- long buccal and lingual nerve infiltrations - long buccal and lingual nerve infiltrations, plus inferior alveolar nerve block - inferior alveolar nerve block only |
long buccal and lingual nerve infiltration, plus inferior alveolar nerve block
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Topical anesthetic minimizes the sensation of needle penetration. Its effectiveness may be increased by:
- using two preloaded Benzocaine 20% swabs - moistening the mucosa prior to placement of the swab - drying the mucosa with gauze before application |
drying the mucosa with gauze before application
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As a child grows, the position of the mandibular forament in relation to the mandibular occlusal plane will become ________ than the occlusal plane.
- higher - lower |
higher
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You have successfully obtained good positioning of the forceps on a tooth for extraction, and begin your expansion of the bone. Your first motion should be:
- rotation clockwise and hold - movement to the facial and old |
movement to the facial and hold
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During the final stages of luxation, a portion of the mesial root of tooth #T fractures off. The fragment is visible and looks like it cane be easily removed with a root tip pick or tissue forceps. Should you attempt to retrieve it?
- Yes - No, any attempt at removing the fragment endangers the erupting succedaneous tooth, and it is best left to resorb by the erupting permanent tooth |
Yes
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Compression and suturing of the socket after an extraction is always necessary if gross expansion of the bone has occured when removing a primary molar.
- True - False |
False
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Because of an abscess associated with tooth #T, a child ________ need antibiotic coverage.
- will - will not |
will not
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What is the most common post-extraction complication seen with children?
- a dry socket - space abscess - foreign body aspiration - self inflicted soft tissue wound - subluxation of adjacent teeth caused by poor elevator placement |
self inflicted soft tissue wound
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What space maintainer is appropriate for a 5-6 year-old child after extraction of tooth #T?
- none - lingual holding arch - Nance appliance - distal shoe - band and loop |
distal shoe
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At age 6-7, what space maintained would be appropriate for a child that has had tooth #T extracted?
- none - lingual holding arch - Nance appliance - distal shoe - band and loop |
band and loop
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Which teeth would you use as abutments for a space maintainer for tooth #T on a 6-7 year-old child?
- #19 and #30 - #30 and #S |
#30 and #S
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At age 8-9, what space maintainer would be appropriate for a child who had tooth #T extracted 3 years ago?
- none - lingual holding arch - Nance appliance - distal shoe - band and loop |
lingual holding arch
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What space maintainer would you use to save space for tooth #5?
- Lingual holding arch - Nance appliance - Distal shoe - Simple band and loop - Either a Nance appliance or a simple band and loop |
Either a Nance appliance or a simple band and loop
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IF you were concerned about losing too much space during the later mesial shift, what space maintainer would you use to save space for tooth #5?
- Lingual holding arch - Nance appliance - Distal shoe - Simple band and loop - Either a Nance appliance or a simple band and loop |
Nance appliance
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While removing caries from tooth #F, you have a very small exposure of the distoincisal pulp horn. It is approximately 0.5 mm in cross-section and is surrounded by healthy, caries-free dentin. The tooth has been asymptomatic. There was slight bleeding, but hemostatis was immediately achieved by light pressure. You proceed with a ________ of the exposed pulp.
- ZOE pulpectomy - ferric sulfate pulpotomy - calcium hydroxide direct pulp cap - MTA indirect pulp cap |
calcium hydroxide direct pulp cap
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When fitting the anterior strip crown for a composite strip crown restoration, the celluloid crown form should extend ________.
- to the base of the sulcus to ensure the composite will flow to the finish line - slightly beyond/below the finish line - to the preparation's finish line |
slightly beyond/below the finish line
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You are performing a composite strip crown restoration. After filling the anterior strip crown form with composite and curing the material, ________.
- the crown is checked for blanching and if acceptable, the crown form is left in place, providing added strength with superior finish and esthetics - the gingival excess is removed, the crown form is left in place, the excursive movements are checked and the patient can be dismissed - the crown form is removed and the composite finished as needed |
the crown form is removed and the composite finished as needed
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A child's tooth #J had required endodontic procedure and was temporarily restored with an intermediate restorative material, however, there is still active caries at the mesial contact area. The distal surface is caries-free. The treatment of choice is a(n) ________.
- mesioocclusal composite - mesioocclusal amalgam - stainless steel crown - extraction |
stainless steel crown
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While removing caries from tooth #L, you have an exposure of the pulp. It is approximately 3 mm in cross-section and is surrounded by carious dentin. The tooth has been asymptomatic. The bone in the fircation and apical areas appear to be normal radiographically. There was slight bleeding, but hemostasis was immediately achieved by light pressure. You proceed with a ________ procedure.
- ZOE pulpectomy - ferric sulfate pulpotomy - calcium hydroxide direct pulp cap - MTA indirect pulp cap |
ferric sulfate pulpotomy
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A child had previous history of sore throat followed by scarlet fever of rheumatic fever, her mother was not sure. Her mother states that the child had unusual circumoral pallor, a bright red "sandpaper-like" rash on her torso and a coated tongue. The child weighs 55 pounds. She most likely had:
- scarlet fever - rheumatic fever |
scarlet fever
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Because of a mother's concern of scarlet fever causing bacterial endocarditis in her child, you ________.
- prescribe 500 mg of amoxicillin, one hour prior to her next restorative appointment - prescribe 1,000 mg of amoxicillin, one hour prior to her next restorative appointment - reassure the mother that antibiotic coverage is unnecessary |
reassure the mother that antibiotic coverage is unnecessary
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After removal of tooth #K in a 6-year-old girl, the space maintainer of choice is ________.
- a band and loop - a lingual holding arch - a unilateral followed by a bilateral (LHA) after the eruption of the permanent anteriors - a Nance - none of the above |
a unilateral followed by a bilateral (LHA) after the eruption of the permanent anteriors
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A 6-year-old girl has small draining abscesses on teeth #B and #I, and the teeth are mobile. Neither tooth cause the patient pain. Radiographically, the caries is through the furcation on both teeth. Treatment of choice for both teeth is ________.
- apexogenesis - removal - pulpectomy - MTA pulpotomy - apexification |
removal
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The local anesthetic infiltration that will assure complete comfort during removal of #b include the ________.
1. greater palatine 2. middle superior alveolar 3. posterior superior alveolar - 1 & 3 - 1 & 2 - 2 & 3 - 1, 2 & 3 - 3 only |
1 & 2
(greater palatine and middle superior alveolar) |
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How many 1.7 ml carpules of 2% lidocaine with 1:100,000 epinephrine can be safely administered to a girl that weighs 55 pounds?
- 1 - 2 - 3 - 4 - 5 |
3
(55 lb) x (2 mg/lb) = 110 mg (110 mg) x (1 carpule/34 mg) = 3.2 carpules |
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What medicament should you plan on using for a pulpotomy on tooth #A?
- An astringent like ferric sulfate - A hard setting calcium hydroxide product like Dycal - A hard setting steroid/antibiotic comination like Ledermix - A soft setting paste like Vitapex - Some weird stuff from Switzerland called Pulpotec |
An astringent like ferric sulfate
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A mother cannot bring her daughter in for her pulpotomy appointment and would like the maternal grandmother to accompany her.
- You suggest reappointing the girl since the legal guardian must be present for an invasive procedure such as a pulpotomy. - You allow the grandmother to keep the appointment after reviewing the treatment plan with the mother, assuring informed consent, and having the mother sign the treatment plan. |
You allow the grandmother to keep the appointment after reviewing the treatment plan with the mother, assuring informed consent, and having the mother sign the treatment plan.
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A child presents with a discolred tooth #E that is slightly more mobile when compared to adjacent teeth. There is radiographic evidence of periapical bone loss and pathological root resorption of greater than 33%. Clinically, all soft tissues are within normal limits. The child is asymptomatic and caries free. Her parents are unclear as to why the tooth has darkened over the last few weeks. You suggest that ________.
- it is an example of exfoliative hematoma - the child has been chewing on a blue crayon - there is a subclinical carious lesion which has caused pulpal necrosis - it appears the child has bumped the tooth, crushing the neurovascular bundle |
it appears the child has bumped the tooth, crushing the neurovascular bundle
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A child bumped tooth #E, crushing the neurovascular bundle. Treatment should be ________.
- complete pulpectomy and filled with an absorbable paste - tooth removal and space management - apexogenesis - apexification - tooth removal |
tooth removal
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The local anesthetic infiltration injections that will assure complete comfort during removal of tooth #E include anesthesizing branches of the ________ nerve(s).
1. nasopalatine 2. right anterior superior alveolar 3. left anterior superior alveolar - 1 & 2 - 1 & 3 - 2 only - 3 only - 1, 2 & 3 |
1, 2 & 3
(nasopalatine, right and left anterior superior alveolar) |
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Limitations of a simple band and loop space maintainer include:
- the abutment teeth may exfoliate before the need for space management has been eliminated - there is no provision for supraeruption of the opposing tooth (teeth) - both of the above |
both of the above
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If the sum of the widths of the permanent mandibular incisors is 23, what would be the predicted value for the summed width of the maxillary permanent canines and premolars in a quadrant?
- 21.9 - 22.1 - 23.0 - 23.6 - 23.7 |
22.1
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The sum of the widths of the permanent mandibular incisors is 23 mm. The measured arch length from the distal of #26 to the mesial of #30 is 22.5 mm. You would predict ________ for the eruption of the permanent successors.
- adequate space with a surplus of 0.4 mm - adequate space with a surplus of 0.6 mm - inadequate space with a deficit of 0.4 mm - inadequate space with a deficit of 0.6 mm - none of the above |
adequate space with a surplus of 0.6 mm
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The sum of the widths of the permanent mandibular incisors is 23 mm. The measured arch length from the ideal distal point of #23 to the mesial of #19 would be 18.5 mm. You would predict ________ for the eruption of the permanent successors.
- inadequate space with a deficit of 3.4 mm - inadequate space with a deficit of 3.6 mm - inadequate space with a deficit of 5.5 mm - none of the above |
inadequate space with a deficit of 3.4 mm
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Distal step occlusions most frequently develop into ________ (mal)occlusions in the permanent dentition unless there is a compensatory larger late mesial shift in the mandible versus the maxilla.
- class I - class II - class III |
class II
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Arch length reduction may occur due to space loss from ________.
- the closure of primate space - large interproximal decay - the premature tooth loss - large interproximal decay and premature tooth loss - all of the above |
all of the above
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An ________ procedure on an immature permanent tooth assumes there is vital tissue present that is capable of continued root development.
- apexogenesis - apexification |
apexogenesis
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8-year-old patient presents to your office complaining of pain in his lower central incisor. A draining tract is present on the facial and is associated with a traumatized central. Radiographs confirm a periapical radiolucency, an open apex and incomplete root formation. You proceed by:
- removing the coronal 3 mm of the pulp tissue, controlling the bleeding with ferric sulfate and placing an IRM temporary and monitoring the root's closure - removing the pulp tissue down to within approximately 2 to 3 mm of the radiographic apex, and fill with mineral trioxide aggregate and monitoring the root's closure - performing a calcium hydroxide pulpotomy and monitoring the root's closure - removing the tooth |
removing pulp tissue down to withing approximately 2 to 3 mm of the radiographic apex, and fill with mineral trioxide aggregate and monitoring the root's closure
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8-year-old patient fractures #25 down to the gum line during a soccer match that day. There is no root fracture nor is there any abnormal mobility -- just the loss of coronal tooth structure. Radiographically, the tooth appears to have incomplete root development and has an open apex. You proceed by:
- removing the coronal 3 mm of the pulp tissue, controlling the bleeding with formocresol and placing an IRM temporary and monitoring the root's development - removing the pulp tissue down to within approximate 2 to 3 mm of the radiographic apex, and fill with mineral trioxide aggregate and monitoring the root's development - performing a calcium hydroxide pulpotomy and monitoring the root's development - removing the tooth |
performing a calcium hydroxide pulpotomy andmonitoring the root's development
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Little Jim and his buddy Roscoe are roller blading home from school when they get sidetracked and decide to cut through an alley. Both catch the wheels of their blades, spin around and fall on their faces. Roscoe fractures #8 down to the gum line. You see him about an hour later and confirm the pulpal exposure also confirming that no root fracture exists. You notice on the radiograph that the tooth is immature and has an open apex. You proceed by ________, and monitoring the root's development.
- removing the coronal 3 mm of the pulp tissue, controlling the bleeding with formocresol and placing an IRM temporary - removing the pulp tissue down to within approximately 2 to 3 mm of the radiographic apex, mix barium with calcium hydroxide powder and cMCP and pack it into the canal - performing a calcium hydroxide pulpotomy |
performing a calcium hydroxide pulpotomy
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Jim falls on his face and suffers no fracture, but does traumatize his centrals, causing some mobility that disappears after a week. But, as luck would have it, a year later, he's in your office complaining of pain in #8. A draining tract is present on the facial and is associated with the traumatized central. Radiographs confirm a periapical radiolucency, an open apex and incomplete root formation. You proceed by ________, and monitoring the root's closure.
- removing the coronal 3 mm of the pulp tissue, controlling the bleeding with ferric sulfate and placing an IRM temporary - removing the pulp tissue down to within approximately 2 to 3 mm of the radioigraphic apex, mix barium with calcium hydroxide powder and cMCP and pack it into the canal - performing a calcium hydroxide pulpotomy |
removing the pulp tissue down to within approximately 2 to 3 mm of the radiographic apex, mix barium with calcium hydroxide powder and cMCP and pack it into the canal
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Tooth #B has been removed from an 8-year-old child. You perform a classic Moyer's mixed dentition analysis for that quadrant; the predicted space needs are equal to the actual measured space available. In order to prevent a loss of space during the patient's late mesial shift that will occur, what is the space maintainer of choice?
- Band and loop from #! cantilevered to #C - Nance applicance from #A to #J - Nance applicance from #3 to #14 - Any of the above will work |
Nance applicance from #3 to #14
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Children presenting with a(n) ________ require surgical intervention.
- Riga Fede - Bohn's nodule - eruption hematoma - congenital epulis |
congenital epulis
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Maxillary labial frenectomies should be delayed until the eruption of the permanent incisors and cuspids have erupted.
- True: the space should have an opportunity to close naturally - False: early intervention removes tissues that prevent the diastema from closing |
True: the space should have an opportunity to close naturally
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When fabricating a lingual holding arch appliance, the canine offsets should be ________ anterior portion.
- in the same plane as the - bent at a 45 degree angle to the - beng gingival to the |
in the same plane as the
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The local anesthetic infiltration injections that would assure complete comfort during tooth #J's removal include branches of the:
1. nasopalatine 2. greater palatine 3. middle superior alveolar 4. posterior superior alveolar - 1, 2, 3 - 2, 3, 4 - 1, 3, 4 - 2 & 3 only |
2, 3, 4
(greater palatine, middle & superior alveolar) |
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If a child weighs 46 poinds, how many 1.7 ml carpules of 2% lidocaine with 1:100,000 epinephrine can be safely administered?
- 1 - 2 - 3 - 4 - 5 |
2
(46 lb) x (2 mg/lb) = 92 mg (92 mg) x (1 carpule/34 mg) = 2.7 |
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The space maintainer of choice after removal of #J in a 6-7 year-old is ________.
- a unilateral (band and loop) - a bilateral (Nance) - a unilateral followed by a bilateral after the eruption of the permanent anteriors - none of the above |
a bilateral (Nance)
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Child presents with fever, very runny nose and a reported sensitivity to light. Intraorally, you notice small, irregular spots on the buccal mucosa. No extraoral findings at this time. The child is manifesting signs of what systemic disease?
- Rubeola - Candida (oral thrush) - Herpangina - Recurrent aphthous stomatitis - Primary herpetic gingivostomatitis |
Rubeola
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Treatment of Rubeola includes ________.
- bed rest - nystatine rinse - antibiotic therapy to prevent the progression to theumatic fever - hydration and the generous use of antipyretics, especially aspirin - two of the above treatments |
bed rest
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Rubeola is contagious and, therefore, you should postpone routine care.
- True - False - Even complex procedures can proceed if all universal precautions are followed |
True
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A darkened blue #E will definitely require endodontic therapy.
- True - False |
False
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Internal resorption in the mesial root of tooth #K suggests that during pulp therapy, the operator may have:
- over instrumented - used calcium hydroxide - misdiagnosed the furcal radiolucency - failed to fill the accessory canal - used formocresol |
used calcium hydroxide
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A large carious lesion approximating the pulp on tooth #K should be initially treatment planned for a:
- ferric sulfate pulpotomy - direct pulp cap - apexification - two step pulpotomy |
ferric sulfate pulpotomy
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With regards to facial swelling of odontogenic origin:
- the patient may require antibiotic coverage prior to removal of the tooth - the patient may require antibiotic coverage after the removal of the tooth, especially if he is febrile - both of the above |
both of the above
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Accidental exposure of a primary tooth's distobuccal pulp horn should be treated with (note - there is no apparent bleeding and the surrounding dentin is sound):
- Cvek pulpotomy - direct pulp cap - apexification - two step pulpotomy - removal |
direct pulp cap
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At what age will you see the tooth succedaneous to tooth #S erupt?
- 6 to 7 - 8 to 9 - 10 to 11 - 12 to 13 |
10 to 11
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Why would you see abscess-related bone loss in the furcation of tooth #S?
- Apical periodontitis spreads easily through the soft bone to the furcation - The tooth could be cracked - There could be a widening of the periodontal ligament space due to traumatic occlusion - There are accessory canals in the fircation area - The previous dentist may have perforated the furcation area |
There are accessory canals in the furcation area
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A 4-year-old has intermittent pain in the lower right quadrant of his mouth that seems to occur without cause. He is in good health, but upon oral examination you note a swelling between the mesial and distal roots of the tooth #S. You note a radiolucency between the mesial and distal roots of the tooth, extending down the distal root. Root structure appears normal. There is no interna;/external resorption. Your treatment recommendation is:
- apexification - pulpotomy - complete pulpectomy - indirect pulp cap |
complete pulpectomy
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The medicament of choice for a complete pulpectomy is:
- mineral trioxide aggregate (MTA) - calcium hydroxide powder mixed with barium - ferric sulfate - zinc oxide and eugenol |
zinc oxide and eugenol
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After a complete pulpectomy on #S where there are no interproximal caries, the restoration of choice is:
- IRM base and class I amalgam - composite core build up - a stainless steel crown - glass ionomer |
a stainless steel crown
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To assure you have profound anesthesia for removal of tooth #S, what injection(s) of 2% lidocaine with 1:100,000 epinephrine are required?
1. Long buccal infiltration 2. Lingual nerve infiltration 3. Mandibular nerve block - 1, 2 & 3 - 1 & 3 - 2 & 3 - 3 only |
1, 2 & 3
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What is the number of 1.7 ml carpules of 2% lidocaine with 1:100,000 epinephrine you can safely use on a 19 kg patient?
- 1 - 2 - 3 - 4 - 5 |
2
(19 kg) x (4.4 mg/kg) = 83.6 mg (83.6 mg) x (1 carpule/34 mg) = 2.45 |
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After completing treatment on a patient, you notice Forschheimer's spots on the hard palate. Looks like the patient has:
- cooties - Midlothian swamp fever - an allergic reaction to the topical anesthetic - rubella - rubeola |
rubella
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The natural spacing distal to the mandibular canines is known as ________.
- leeway space - intercanine width - interdental space - primate space |
primate space
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Your patient's molar relationship can be described as having the lower second primary molar's distal surface forward (anterior) to that of the maxillary second primary molar's distal surface when biting in centric occlusion. This occlusal relationship is known as a:
- mesial step - distal step - flush terminal plane |
mesial step
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Early and late mesial shifts that occur during growth cause the dental arch length to:
- increase - stay the same - decrease |
decrease
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Early mesial shifts are due to the ________.
- eruptive forces of the first permanent molars - downward and forward growth of the mandible - widening of the palatal vault |
eruptive forces of the first permanent molars
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Late mesial shift is due to summed difference in size between ________ and the teeth that replace them in a quadrant.
- primary centrals, laterals and canines - primary canines and molars - primary molars |
primary canines and molars
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Six months after performing a complete pulpectomy on tooth #S of a 4-year-old, you notice that it's failing and decide to remove the tooth. You place a ________ space maintainer to hold space for the succedaneous tooth.
- band and loop - lingual holding arch - either a band and loop or a lingual holding arch - a band and loop followed by a lingual holding arch |
a band and loop followed by a lingual holding arch
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A 5-year old patient has a draining abscess above tooth #G. The periodontal ligament space is widened at the apex, but there is no evidence of pathologic root resorption. Your treatment recommendation is:
- apexification - apexogenesis - pulpotomy - pulpectomy |
pulpectomy
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To assure you have profound anesthesia when performing a pulpectomy on tooth #g, what infiltration injection(s) of 2% lidocaine with 1:100,000 epinephrine are required?
1. nasopalatine 2. greater palatine 3. anterior superior alveolar 4. middle superior alveolar - 3 only - 1 & 3 - 2 & 3 - 2, 3 & 4 - 1, 3 & 4 |
1 & 3
(nasopalatine and anterior superior alveolar) |
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What space maintainer would you place in the lower right quadrant of a 5-year-old missing tooth #S?
- band and loop - lingual holding arch - distal shoe - Nance holding arch - None of the above |
band and loop
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What space maintainer would you place in the lower left quadrant of a 5-year-old missing tooth #K?
- band and loop - lingual holding arch - distal shoe - Nance holding arch - None of the above |
distal shoe
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When removing tooth #I from a 5-year-old, you confirm anesthesia is profound and begin to obtain good access for forceps placement on the tooth. As suggested in the lecture, you utilize the ________ to break the epithelial attachment which also begins detaching the tooth from the bone.
- straight elevator - Denovo forceps - spoon curette - rongeurs |
spoon curette
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When removing tooth #I, you have successfully obtained good positioning of the forceps on the tooth, and begin your expansion of the bone. Your first motion should be:
- rotation clockwise and hold - movement to the facial and hold |
movement to the facial and hold
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During the final stages of luxation when removing tooth #I, a portion of the palatal root fracutres off. The fragment is visible and looks like it can be easily removed with a root tip pick or tissue forceps. Should you attempt to retrieve it?
- Yes - No, any attempt at removing the fragment endangers the erupting succedaneous tooth, and it is best left to resorb by the erupting permanent tooth |
Yes
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What space maintainer would you place in the upper left quadrant of a 5-year-old missing tooth #I?
- band and loop - lingual holding arch - distal shoe - Nance holding arch - None of the above |
band and loop
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An orthodrontic band fits well -- there are no gaps or spaces between band and tooth and the band's occlusal edges are:
- easily burnished over the marginal ridge of the tooth - just below the marginal ridge of the tooth - at the level of the contact area |
just below the marginal ridge of the tooth
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A soldering joint that is heavily pitted is most likely due to:
- incomplete coating of the area with flux prior to soldering - over coating of the area with flux prior to soldering - removing the flame prematurely suring the soldering procedure, then reheating the joint |
removing the flame prematurely during the soldering procedure, then reheating the joint
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When polishing a solder joint to a high shine, gross reduction and shapring with the heatless Mizzy should be followed by the green stone, then the white stone, then the ________ rubber abrasive disc and finally the ________ abrasive disc.
- green, white - green, brown - brown, white - brown, green - white, green |
brown, green
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In order to adequately anesthetize the tooth #K, you would provide:
- long buccal and lingual nerve infiltrations - long buccal and lingual nerve infiltrations, plus inferior alveolar nerve block - inferior alveolar nerve block - inferior alveolar nerve block and lingual nerve infiltration - inferior alveolar nerve block and long buccal infiltration |
long buccal and lingual nerve infiltrations, plus inferior alveolar nerve block
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How many carpules of 2% lidocaine with 1:100,000 epinephrine local anesthetic can a 44 pound girl receive?
- 5 - 3 - 2 - 4 |
2
(2.0 mg/lb) x (44 lb) = 88 mg (88 mg) x (1 carpule/34 mg) = 2.58 |
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While removing the caries on a child's tooth #K, you expose the pulp. The size of the expsoure is approximately 1 mm round and is surrounded by carious dentin. You elect to:
- cover the exposure with a dentin stimulating medication such as calcium hydroxide - remove the tooth - perform a calcium hydroxide pulpotomy - perform an MTA pulpotomy |
perform an MTA pulpotomy
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After performing an MTA pulpotomy on tooth #K, the tooth should be restored with:
- amalgam - glass ionomer - a stainless steel crown - IRM |
a stainless steel crown
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Tooth #K will exfoliate when a child is ________ years old.
- 10 to 12 - 7 to 8 - 12 to 13 - 9 to 10 |
10 to 12
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What is the most commonly missed first step in removing a tooth?
- Saying a little prayer to the Tooth Fairy - Breaking the gingival attachment by sliding the forceps breaks apically down the root - Breaking the gingival attachment with the spoon curette - Breaking the gingival attachment with the sraight elevator |
Breaking the gingival attachment with the spoon curetter
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What type of space maintainer should you fabricate for a 5-year-old child that has had tooth #S removed?
- None is necessary at this time - Unilateral space maintainer - Bilateral space maintainer, banding both #K and #T - Initially a band and loop, followed by a lingual holding atch after about age 7 |
Initially a band and loop, followed by a lingual holding arch after about age 7
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You begin removing caries on the left central of a 3-year-old with your round bur and have an exposure of the pulp. The exposure is small, about the size of the end of a half-round bur. After controlling the hemorrhage, you confirm that all the surrounding dentin is healthy. Does the tooth require treatment?
- No, since the teeth will exfoliate within the next 6-8 months, you should remove the tooth, replacing it with a kiddy partial for esthetics - Yes, cover the exposure with a reparative dentin stimulating medication such as calcium hydroxide - Yes, a calcium hydroxide pulpotomy - Yes, a classic apexification process is recommended |
Yes, cover the exposure with a reparative dentin stimulating medication such as calcium hydroxide
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What buccal local anesthesia infiltration(s) is(are) required to assure a child is comfortable during a procedure on the left central incisor?
- Anterior superior and middle superior - Middle superior only - Anterior superior only |
Anterior superior only
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What palatal anesthesia infiltration(s) is(are) required to assure a child is comfortable during a procedure on the maxillay left central incisor?
- Nasopalatine only - Nasopalatine and greater palatine - Greater palatine only |
Nasopalatine only
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A celluloid crown form used to restore the maxillary left central incisor is trimmed to:
- sit on the shoulder preparation - be positioned 1 to 2 mm beyond the reverse bevel - rest tightly against the cingulum - extend 0.5 to 1.0 mm beyond the feather edges |
extend 0.5 to 1.0 mm beyond the feather edges
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Tooth #K in a 5-year-old has recurrent caries, furcal radiolucency, internal & external root resorption, and a mesioocclusal temporary restoration. What is the best treatment for this tooth?
- Removal - Complete pulpectomy - Formocresol pulpotomy - Allow to exfoliate |
Removal
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You decide that tooth #I is unrestorable and elect to remove it. What buccal local anesthesia infiltration(s) is(are) required to assure the patient is comfortable during the procedure?
- Anterior superior and middle superior - Middle superior only - Middle superior and posterior superior - Posterior superior only |
Middle superior only
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You decide that tooth #I is unrestorable and elect to remove it. What palatal anesthesia infiltration(s) is(are) required to assure the patient is comfortable during the procedure?
- Nasopalatine only - Nasopalatine and greater palatine - Greater palatine only |
Greater palatine only
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What space maintainer is recommended for the premature loss of tooth #I?
- Band and loop - Nance type holding arch - Distal shoe - Bilateral space maintainer |
Band and loop
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After removing amalgam from tooth #L, the resultant distoocclusal preparation has extended beyond the distofacial and distolingual line angles. You should consider:
- using an amalgam bonding agent prior to condensation of the new amalgam restoration - restoring the tooth with a bonded posterior composite such as Herculite - a stainless steel crown - any of the above is acceptable |
a stainless steel crown
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A 33 pound girl who had a congenital heart defect repaired 3 months ago should receive a dose of ________ mg of amoxicillin 30 to 60 minutes prior to an extraction procedure.
- 0 - 250 - 500 - 750 - 1,000 |
750
33 lb = 15 kg (15 kg) x (50 mg/kg) = 750 mg |
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Your patient's molar relationship can be described as having the lower second primary molar's distal surface more posteriorly than the maxillary second primary molar that it occludes against. This relationship is known as a:
- class III - distal step - mesial step - flush terminal plane |
distal step
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A 5-year-old girl exhibits an anterior open bite with labial flaring of the maxillary anteriors, slight lingual inclincation of the mandibular anteriors which adds to a 5 mm overjet. At rest, her midlines line up but when she closed into maximum intercuspation, she must shift her jaw to one side, resulting in a posterior crossbite. Assuming this is not a congenital condition, what would be the cause of her malocclusion?
- Digit sucking - Lip sucking - Pacifier (dummy) sucking - Either digit sucking or pacifier (dummy) sucking - Any of the above |
Any of the above
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A 5-year-old girl exhibits an anterior open bite with labial flaring of the maxillary anteriors, slight lingual inclincation of the mandibular anteriors which adds to a 5 mm overjet. At rest, her midlines line up but when she closed into maximum intercuspation, she must shift her jaw to one side, resulting in a posterior crossbite. Why is there a posterior crossbite?
- Most likely this particular condition is congenital - There is remodeling of the maxillary arch by the muscle of mastication/facial expression - Due to the direct action of an external force, such as digit, lip, or pacifier sucking - Anterior positioning of the tongue during swallowing |
There is remodeling of the maxillary arch by the muscles of mastication/facial expression
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A 5-year-old girl exhibits an anterior open bite with labial flaring of the maxillary anteriors, slight lingual inclincation of the mandibular anteriors which adds to a 5 mm overjet. At rest, her midlines line up but when she closed into maximum intercuspation, she must shift her jaw to one side, resulting in a posterior crossbite. The girl's mother has some concerns that the malocclusion will manifest itself in the permanent dentition as well. You suggest:
- beginning treatment with an intraoral appliance such as an active Hawley retainer to extinguish the habit and close the open bite - first correcting the posterior crossbite, then begin treatment with an intraoral appliance such as an active Hawley retainer to extinguish the habit and close the open bite - no treatment is necessary at this time: it would be best to begin trying to extinguish the habit using psychological approach, such as positive reinforcement and contingency management - no treatment is necessary at this time: it would be best to begin extinguishing the habit using a passive intraoral reminder |
no treatment is necessary at this time: it would be best to begin tying to extinguish the habit using psychological approach, such as positive reinforcement and contingency management
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A 15-year-old comes in for a dental exam and would like as much work done as possible. What radiographs would be appropriate?
- Four bitewings - Panoramic - Two bitewings and a panoramic - Four bitewings and a panoramic |
Four bitewings and a panoramic
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A 15-year-old is required to weat a mouth guard when playing lacrosse. You recomment the ________ variety.
- custom made/fitted - thermoplastic mouth formed - MORA - any of the above |
custom made/fitted
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A 15-year-old asks you if you would piece his tongue . You advise against the piercing because, among other things, it can be a mode of disease transmission for all except:
- hepatitis - Midlothian swamp fever - tetanus - tuberculosis |
Midlothian swamp fever
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You advist a 15-year-old to use some sort of barrier protection during oral sex not only to protect his partners, but because exposure to ________ during oral sex is strongly associated with oropharyngeal cancer.
- syphilis - human papillomavirus - chlamydia - HIV - Midlothian swamp fever |
human papillomavirus
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A 4-year-old was hit in the mouth with an elbow and injured his right maxillary central incisor. Radiographs show no root fracture and the tooth appears to be displaced about 3 mm to the lingual. You will note the gingival tissue appears to be in correct position relative to the coronal portion of the tooth. What is this condition called?
- Subluxated tooth - Luxated tooth - Intruded tooth - Extruded tooth - Avulsed tooth |
Luxated tooth
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A 4-year-old was hit in the mouth with an elbow and injured his right maxillary central incisor. Radiograph shows not root fracture and the tooth appears to be displaced about 3 mm to the lingual. You will note the gingival tissue appears to be in correct position relative to the coronal portion of the tooth. What treatment is indicated?
- Extraction - Reposition with finger pressure and hold for a short time - Reposition with finger pressure and splint - Reposition with finger pressure, splint, and do a pulpectomy - No treatment |
Reposition with finger pressure and hold for a short time
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A 8-year-old girl fell off her bike about an hour ago injuring the maxillary anterior teeth, fracturing off the mesioincisal angle of #9, just short of, but not including the pulp tissue. She complains of pain when drinking cold water but notices no mobility. You check your records and there is no change in the overbite and overjet. What is your diagnosis of the injured teeth?
- Class I fracture - Class I fracture and Intrusion - Class II fracture - Class II fracture and Subluxation - Concussion injury |
Class II fracture
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An 8-year-old girl fell form her bike about an hour ago injuring the maxillary anterior teeth, fracturing off the mesioincisal angle of #9, just short of, but not including the pulp tissue. She complains of pain when drinking cold water but notices no mobility. You check your records and there is no change in the overbite or overjet. What is the best course of treatment?
- Cover fractured area with composite and place light wire splint - Cover fractured area with composite and place monofilament splint - Cement a band over the teeth and place rigid splint - Cover fractured area with composite and follow - Smooth sharp edges and reappoint |
Cover fractured area with composite and follow
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A 10-year-old boy fell and bumped his tooth on a coffee table. There is slight bleeding at the sulcus of #9 but no pain. The child cannot bite comfortably into centric occlusion now since there is interference between #9 and the two lower incisors. What is the best course of treatment?
- Extraction - Reposition tooth and splint - Pulpectomy, then reposition tooth and splint - Reposition with finger pressure only - Relief of occlusal interference and soft diet for 2 weeks |
Reposition tooth and splint
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A 2-year-old girl falls face first on the kitchen floor. When her mother bursts into your office she exclaims, "my precious daughter fell and knocked two front teeth out!" You expertly obtain a radiograph which, in fact, reveals the presence of the two primary central incisors. What treatment do you recommend?
- Remove both teeth - Remove tooth #E and leave # alone - Remove tooth #F and leave #E alone - Surgically reposition both teeth and splint for 7 to 10 days - Leave alone and hope for eruption |
Leave alone and hope for eruption
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A hysterical parent calls from her cell phone saying her 9-year-old son was hit in the face with a hard ball and knocked out two upper front teeth. She has the teeth. This just happened and she wants to know what to do. The child is very upset. What are your immediate instructions?
- Go to the emergency room - Place tooth in cup of tap water - Place tooth in cup of milk - Replant teeth immediately |
Replant teeth immediately
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A hysterical parent calls from her cell phone saying her 9-year-old son was hit in the face with a hard ball and knocked out two upper front teeth. She has the teeth. This just happened and she wants to know what to do. The child is very upset. A light wire splint is placed to hold the replanted teeth in normal position. How long does the splint remain on the teeth?
- 7 to 10 days - 3 to 5 days - 7 to 10 weeks - 3 to 5 weeks - Until root ends mature |
7 to 10 days
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A hysterical parent calls from her cell phone saying her 9-year-old son was hit in the face with a hard ball and knocked out two upper front teeth. She has the teeth. This just happened and she wants to know what to do. The child is very upset. You replant the teeth in normal position and use a light wire splint. If the root ends are mature, when is the best time to extirpate the pulp and place calcium hydroxide?
- 3 weeks after replantation - 7 to 14 days after replantation - Wait until signs of pulp degeneration appear - 3 to 5 days after replantation - None of the above |
7 to 14 days after replantation
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A 5-year old trips on his shoelace and tumbles flat on his face to the ground. Radiograph shows no root fracture and tooth appears to be displaced about 2 mm to the lingual. No other shifts or alteration in position are noted. What classification of injury is this?
- Subluxated tooth - Luxated tooth - Intruded tooth - Extruded tooth - Avulsed tooth |
Luxated tooth
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A 5-year-old trips on his shoelace and tumbles flat on his face to the ground. Radiograph shows no root fractures and the tooth appears to be displaced about 2 mm to the lingual. No other shifts or alterations in position are noted. What treatment is indicated?
- Remove the tooth - Reposition with finger pressure and hold for a short time - Reposition with finger pressure and splint - Resposition with finger pressure, splint, and do a pulpectomy - Monitor, no treatment |
Reposition with finger pressure and hold for a short time
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An 8-year-old girl chips her two front teeth. Both teeth sustained fractures involving the enamel and dentin, but only the right central has experienced a noticeable exposure approximately 2 mm across. It is painful and bleeding. Neither tooth show signs of abnormal mobility. If this patient was seen 12 days after her initial injury, what would be the best course of treatment for her right central incisor?
- Formocresol pulpotomy - Pulpectomy - Direct pulp cap - Calcium hydroxide pulpotomy - Remove the tooth |
Calcium hydroxide pulpotomy
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An 8-year-old girl chips her two front teeth. Both teeth sustained fractures involving the enamel and dentin, but only the right central has experienced a noticeable exposure approximately 2 mm across. It is painful and bleeding. Neither tooth show signs of abnormal mobility. What is the best course of treatment for her left central incisor?
- Cover fractured area with composite and place light wire splint - Cover fractured area with composite and place monofilament splint - Cement a band over the teeth and place rigid splint - Cement a band over the teeth and place rigid splint - Cover fractured area with composite and follow - Smooth sharp edges and reappoint |
Cover fractured area with composite and follow
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You notice a radiolucency at the apex of the left central incisor of your patient. The root apex is still open and is underdeveloped when compared to the adjacent central. What would be the best course of treatment for the tooth?
- Removal of the pulp followed by the placement of calcium hydroxide paste - Calcium hydroxide pulpotomy - Traditional root canal obturation |
Removal of the pulp followed by the placement of calcium hydroxide paste
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If a tooth had more than an hour extra-oral dry time before replantation, which step should not be included in the procedure?
- Mechanically removing the necrotic tissue from the root surface - Soaking the tooth in a sodium fluoride solution - Removing any collapsed alveolar bone - Rinsing the socker with sterile saline - Chemically removing the necrotic tissue with a citric acid solution |
Removing any collapsed alveolar bone
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A child's mother wished to remain in the cubicle with her son during all treatments. She feels the need to be involved in every aspect of his life and lacks the trust in the dentist to be alone with the child. She is an example of a ________ parent.
- prefigurative - postfigurative - configurative |
prefigurative
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When placing a Nance-type bilateral appliance, you notice blanching of the gingival tissue.
- Some blanching can be expected and should not be of great concern - There should be no blanching at all, so the gingival portion of the band should be shortened to just at the gingival crest - There should be no blanching at all, so the solder joint should be recontoured to correct this problem |
Some blanching can be expected and should not be of great concern
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At what age would you epect it to be practical to remove a space maintainer for an extracted tooth #A?
- 9 to 10 - 11 to 12 - 13 to 14 |
11 to 12
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A girl wakes up with a slight fever and is complaining of a headache. When you look in her mouth you notice small vesicular lesions on her gingiva and dorsal surface of her tongue. Her oropharynx is clear of lesions. She has palpable cercival lymph nodes that are a bit tender. What is causing her oral lesions and swollen lymph nodes?
- Herpetic gingivostomatitis - Minor aphthous stomatitis - Mononucleosis - Bullous impetigo |
Herpetic gingivostomatitis
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A girl has an appointment for extraction of four bicuspids. She woke up with a slight fever and is complaining of a headache. When you look in her mouth you notice small vesicular lesions on her gingiva and dorsal surface of her tongue. Her oropharynx is clear of lesions. She has palpable cercival lymph nodes that are a bit tender. Should you proceed with the removal of the teeth?
- Yes, there are no contraindications - No, the lesions should be eliminated prior to tooth removal |
No, the lesions should be eliminated prior to tooth removal
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A girl wakes up with a slight fever and is complaining of a headache. When you look in her mouth you notice small vesicular lesions on her gingiva and dorsal surface of her tongue. Her oropharynx is clear of lesions. She has palpable cercival lymph nodes that are a bit tender. What drug regimen should be started to treat the lesions?
- Antibiotic coverage with something from the penicillin family - Antiviral coverage with acyclovir - Steroid mouth rinses such as dexamethazone - Nothing, although palliative treatment can be offered to make her more comfortable |
Nothing, although palliative treatment can be offered to make her more comfortable
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You intentionally allowed a 7-year-old boy to observe his well-behaved brother have a tooth removed and he seemed more curious than afraid. This is an example of:
- modeling - distraction - desensitization - tell, show, do |
modeling
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Prior to removing a child's tooth, you explain to him that he will feel a bit of pressure and wiggling. You demonstrate by holding his finger, gently pressing it and twisting it back-and-forth, then proceed to remove the tooth. This is an example of:
- modeling - distraction - desensitization - tell, show, do |
tell, show, do
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A 7-year-old boy comes to your office for orthodontic band fitting and an impression for a space maintainer after tooth #T was removed. What space maintainer is appropriate?
- Unilateral space maintainer banding #30 and cantilevered to #S - Bilateral space maintainer banding both #19 to #30 - None if necessary |
Bilateral maintainer banding both #19 to #30
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What type of space maintainer will a 5-year-old require after having tooth #L removed?
- Unilateral space maintainer banding #K and cantilevered to #M - Bilateral space maintainer banding both #19 and #30 - Bilateral space maintainer banding both #K and #T - None is necessary at this time |
Unilateral space maintainer banding #K cantilevered to #M
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You complete a pulpotomy on tooth #S and are ready to restore the tooth. You ________ leave a non-medicated cotten pellet in the chamber near the orifices prior to placing the ZOE base.
- should - should not |
should not
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When removing tooth #B, the cowhorn forceps are the forceps of choice?
- True - False |
False
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Which of the following diagnostic criteria has the least reliability in the assessment of the pulp status in the primary dentition?
- Internal resorption - Spontaneous pain - Soft tissue swelling - Electronic pulp testing - Precussion |
Electronic pulp testing
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Direct pulp capping is recommended for primary teeth with:
- carious exposures of the pulp tissue - mechanical exposures of the pulp tissue - both of the above |
mechanical exposure of the pulp tissue
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A 9-yearold boy has a history of pain from tooth #A that occurs while eating ice cream. Soft tissue findings are negative. Clinically, a large carious lesion is present. Radiographs show the decay is nearing the pulp. The tooth is non-mobile and is otherwise without obvious pathology. Therapy suggested is a(n):
- direct pulp capping with a material such as a calcium hydroxide or glass ionomer basing agent - indirect pulp capping with a material such as a calcium hydroxide or glass ionomer basing agent - calcium hydroxide pulpotomy - pulpectomy with zOE or Vitapex fill - ripping the tooth out of his head |
indirect pulp capping with a material such as a calcium hydroxide or glass ionomer basing agent
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When using an elevator to loosen a tooth prior to its removal, avoid using ________ for stabilization.
- exfoliating teeth - erupting teeth - restorations - All of the above |
All of the above
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The most common post-operative analgesic used with the child patient:
- contains codeine combined with acetaminophen or ibuprofen - is an over the counter product like acetaminophen or ibuprofen |
is an over the counter product like acetaminophen or ibuprofen
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What is the most appropriate space management appliance for a 7-year-old who prematurely lost teeth #A and #B?
- Unilateral band and loop - Bilateral band and loops - Lingual holding arch - Nance appliance - Distal shoe without soft tissue blade |
Nance appliance
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What is the most appropriate space management appliance for a 9-year-old who prematurely lost tooth #K?
- Unilateral band and loop - Bilateral band and loops - Lingual holding arch - Nance appliance - Distal shoe without soft tissue blade |
Lingual holding arch
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What is the most appropriate space management appliance for a 5-year-old who prematurely lost tooth #K?
- Unilateral band and loop - Bilateral band and loops - Lingual holding arch - Nance appliance - Distal shoe without soft tissue blade |
Distal shoe without soft tissue blade
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What is the most appropriate space management appliance for an 8-year-old who prematurely lost teeth #L and #S?
- Unilateral band and loop - Bilateral band and loops - Lingual holding arch - Nance appliance - Distal shoe without soft tissue blade |
Lingual holding arch
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What is the most appropriate space management appliance for a 4-year-old who prematurely lost teeth #L and #S?
- Unilateral band and loop - Bilateral band and loops - Lingual holding arch - Nance appliance - Distal shoe without soft tissue blade |
Bilateral band and loops
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Primate spacing is found:
- mesial to the maxillary canines, distal to the mandibular canines - mesial to the mandibular canines, and distal to the maxillary canines - mesial to both maxillary and mandibular canines - distal to both maxillary and mandibular canines |
mesial to the maxillary canines, distal to the mandibular canines
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According to the American Academy of Pediatric Dentistry, any 23-30 gause needle may be used for delivering local anesthesia to a child.
- True - False |
True
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With a high degree of porosity of children's bone, mandibular local infiltration is adequate for most restorative and pulpal procedures.
- True - False |
False
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A classic mandibular block is performed by depositing the anesthetic solution at the point where the nerve enters the mandible, i.e., at the mandibular foramen. This not only provides adequate pulpal anesthesia, but also provides anesthesia to the facial and lingual soft tissue.
- True - False |
False
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A mandibular block is most successful if you remember the position of the mandibular canal in relation to the occlusal plane. In a 5-year-old patient, the foramen is ________ the occlusal plane.
- at - above - below |
below
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According to Meade, the Prefigurative Parents are the type of parents who:
- believe that children will go through the dental appointment behaving well and do so without the parent accompaniment - try to solve problems before they arrive at the dental office but not involve themselves with every aspect of the child's treatment - feel the need to be involved in every aspect of their child's life and lack of trust in the dentist to be alone with the child |
feel the need to be involved in every aspect of their child's life and lack of trust in the dentist to be alone with the child
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Based on Piaget's observations, the intellectual attainments of the child from birth to age 2 result from:
- keener eyesight - the actions of the child with objects in the environment - a child's ability to recognize shapes and colors |
the actions of the child with objects in the environment
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A group of rare disorders affecting the connective tissue and characterized by extremely fragile bones that break or fracture easily, often without apparent cause, is associated with defects of:
- enamel - dentin - cementum - enamel and dentin - enamel, dentin, and cementum |
dentin
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Name the anomaly: the junction between the enamel and dentin is altered, and enamel has a tendency to flake away.
- Amelogenesis imperfecta - Dentinogenesis imperfecta - Dentin dysplasia - Cementogenesis imperfecta |
Dentinogenesis imperfecta
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Teeth demonstrating thistle tube shaped pulp chambers are attributed to:
- dens in dente - taurodontism - gemination - dentin dysplasia |
dentin dysplasia
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According to Meade, the type of parents most likelt to be comfortable with leaving their children alone with the dentist is:
- The Prefigurative Parent - The Configurative Parent - The Postfigurative Parent |
The Postfigurative Parent
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According to Piaget's developmental theory, "Children actively construct knowledge as they manipulate and explore their world." This statement describes what theory?
- Behaviorist - Cognitive development - Structuralist - Gestalt - Oy gevalt |
Cognitive development
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Regarding separation anxiety, which of the following statements is false?
- More frequently seen in first born children - Usually starts at 6 months - Plateaus at 18 months, then declines - Most children are fairly well controlled by 36-40 months |
More frequently seen in first born children
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Behavior modification is best accomplished by rewarding the desired behavior and ignoring the undesirable behavior. A good example of extinction of aversive would be to slap the child's hand every time he tries to interfere with treatment.
- Both statements are true. - Both statements are false. - The first statement is true, but the second statement is false. - The first statement is false, but the second statement is true. |
The first statement it true, but the second statement is false.
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Approximately how many children have some sort of anxiety associated with dental appointments?
- 10 to 15% - 75 to 90% |
75 to 90%
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As a child grows into adolscence, their blood pressure ________ and their heart rate ________.
- increase, increases - decreases, decreases - increases, decreases - decreases, increases |
increases, decreases
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If you perform a pulpotomy, what is (are) the function(s) of the cotton pellet?
- Control hemorrhaging via positive pressure (water moistened pellet) - Hold certain fixative agents against the pulp stumps for a prescribed period of time - Act as a barrier between the treated pulp tissue and the permanent basing agent prior to the placement of the permanent restoration - All of the above - Both of the first two choices |
Both of the first two choice
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As part of the first steps of tooth removal, the use of a large spoon curette inserted in the gingival sulcus breaks the gingival attachment and:
- begins luxating the tooth from the bone - increases access to gingival portion of crown - both of the above |
increases access to gingival portion of crown
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The height of coutour on a primary mandibular canine is ________ when compared to permanent teeth.
- proportinately, at the same position - closer to the occlusal surface - closer to the cementoenamel junction |
closer to the cementoenamel junction
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Cow horn forceps should rarely be used to remove a mandibular primary molar because:
- it frequently splits the tooth in half, especially when caries have weakened the tooth - they are not proportionately manufactured to allow proper placement in the furcation area - there is a higher incidence of damage to the developing premolar when employing these forceps versus other types of molar forceps |
there is a higher incidence of damage to the developing premolar when employing these forceps versus other types of molar forceps
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Which of the following conclusions would be correct if, after six weeks, a direct pulp capped tooth were asymptomatic?
- The pulp capping was a success - Lack of adverse symptoms might be temporary - Reparative dentin formation at the exposure sigt was complete - Adjacent odontoblasts had proliferated to cover the side of exposure |
Lack of adverse symptoms might be temporary
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From the list of pulpotomy medications below, which is condiered to have the least negative effect on the remaining pulp tissue and the supporting tissue surrounding a primary tooth requiring treatment?
- Calcium hydroxide - Ferric sulfate - Formocresol - Glutaraldehyde |
Ferric sulfate
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Calcium hydroxide is generally the material-of-choice in vital pulp capping because it:
- is less irritating to the pulp - encourages dentin bridge formation - seals the cavity better that most other material |
encourages dentin bridge formation
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An example of an early mesial shift in the occlusion would be:
- closure of the primate space associated with the eruption of the mandibular permanent first molars - closure of the leeway space after the exfoliation of the primary molars - reduction of a maxillary diastema with the eruption of the permanent laterals |
closure of the primate space associated with the eruption of the mandibular permanent first molars
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An increase in the intercanine width in the mandibular arch may be observed because of the eruption of the permanent incisors and the resultant tipping of the primary canines.
- True - False |
True
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The design of a unilateral space maintainer should take into consideration:
- the abutment teeth available - the timing of eruption of the permanent tooth in question - the width of the edentulous area - all of the above |
all of the above
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Gingival submergence of the free end of a cantilevered unilateral space maintainer may be prevented by:
- redesigning the appliance into a double abutted device - adding an occlusal or cingulum rest to the loop - strengthening the crib with cross bars - a & b - all of the above |
a & b
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