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35 Cards in this Set
- Front
- Back
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Which portion of the tooth is covered by enamel and remains constant even if the patient undergoes gingival recession?
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anatomical crown
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A more prominent cingulum is found on which tooth?
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canine has a well developed cingulum
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A friend calls at 1:00am Sat in a panic b/c daughter lost tooth, top front. She is 6 years old, this has never happened before. The tooth has been loose for weeks. Which tooth is the most likely offender?
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it is most likely a central Incisor b/c these usually errupt from 6-8 years of age
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Place the roots of the 1st molar in order from smallest to largest.
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lingual, MB, DB - maxillary
Mesial, Distal - mandibular |
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Which of the following correspondes to the primary left maxillary 1st molar according to the universal system?
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I
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Which deciduous molar has 2 buccal grooves?
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MD 2nd molar
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The entire TNJ is surrounded by a
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TMJ capsule
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The slope of bone anterior to the mandibular fossa is the
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articular emence or zygomatic process
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The deciduous mandibular 2nd molar resembles the
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perm MD M
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When the distal surface of the mandibular canine is mesial to the mesial surface of the maxillary canine by at least a width of a 1st premolar this is indicative of ?
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Class III (prognathic) (mesio-occlusion)
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A basic difference between canine and incisors are the ____ that is unquie to canines.
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lingual ridge
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The TM ligament helps prevent all movements except ______ movement of the condyle out of the mandibular fossa.
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medial
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The root length of a perm MX lateral incisor is about _____ the length of the crown?
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1.37
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All permanent 1st and 2nd MD molars have 1 buccal groove?
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False
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What is not true of decidious teeth?
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Narrower pulp chamber
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The spaces that occur between decidious canines, first molars, and second molars:
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leeway spaces or primate spaces
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Fusion involves the joining of 2 adjacent teeth?
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True
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The articular disc does not have pain fibers?
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false
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The perm MX first molars are formed from 5 lobes. The 4th lobe developes into a minor cusp and the 5th lobe developes into a supplemental cusp.
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Both statments are true
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Canine eminence refers to the
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projection of bone
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Which of the following have a rounded distoincisal angle?
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MX incisors
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Christine has sharp, pointed cusp tips on her maxillary canines. She is 12 yrs old and has endured some teasing about the fang-like apperanceof her canines. She asks her dentist if he can change the shape of her canines. The dentist agrees that reducing the cusps tips will result in a positive change in Christine's apperance if the mx cusp tips are flattened. Which teeth will they most resemble?
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mx central incisor
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Compared with 1st molars, third molars most often have
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closer roots
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a clinical characteristic of dens in denteis a
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lingual pit
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canines are least likely of all perm teeth to be missing?
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true
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A dilacerated root is one that exhibits?
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a sharp bend in the root
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Perm MD molars are wider mesioditally than buccolingually?
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True
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Perm MX canines errupt _____ MD canines?
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One year after
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Which is the last premolar to errupt?
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MD 2nd
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The "y" pattern represented on the mandibular second premolar would indicate how many total cusps?
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3
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The crepitus in the temporomandibular joint refers to which of the following?
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Clicking, snapping, or gratting sound
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Which of the following marks the apical limit of the clinical crown of a tooth?
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Gingival margin
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The eruption time for perm mx central and md lateral is
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7-8 years of age
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Which of the following have a rounded distoincisal angle?
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MD lateral incisor
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How many development lobes form from a permolar with 2 cusps?
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4 lobes
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