Endo-3Rdyear-Hotpotatoes-Ag

Front 1

1. Of the following, the patient condition that will most effect your ability to arrive at an accurate diagnosis is a patient:
A. On hypertensive medication.
B. Who is a controlled (by insulin) diabetic.
C. Who is on low dosage, frequently administered sedatives.
D. Who is emotional and visibly apprehensive.
E. On immunosuppressive (chemo-) therapy.

Back 1

D. :-) Who is emotional and visibly apprehensive.

Front 2

2. Apical external resorption as related to periapical pathosis:
A. Requires surgical intervention (apicoectomy or root end resection).
B. Is usually associated with bacteria in the periapical lesion.
C. Is initially treated with conventional root canal treatment although this has a questionable outcome.
D. Is usually irreversible with poor prognosis and requires extraction.
E. Is a similar process to bone resorption.

Back 2

E. Is a similar process to bone resorption.

Front 3

3. A large MOD alloy restoration is placed in the mandibular right first molar. A week later the patient returns saying that he gets a short sharp pain when he eats or drinks something cold. Radiographs are normal. Teeth respond normally to electric pulp tester and heat. All teeth, except the mandibular right first molar, respond normally to cold. The patient feels a sharp shocking pain when ice is applied to this tooth, which disappears as soon as the ice is removed. The tooth is not in traumatic occlusion nor is it sensitive to percussion. The likely pulpal diagnosis is:
A. Hyperocclusion.
B. Irreversible pulpitis.
C. Reversible pulpitis.
D. Necrotic Pulp.
E. Acute Apical Periodontitis.

Back 3

C. Reversible pulpitis.

Front 4

4. A sinus tract associated with a periradicular diagnosis of Apical Periodontitis with Sinus Tract (Suppurative Apical Periodontitis) usually:
A. Is lined with epithelium.
B. Should be cauterized or removed surgically.
C. Will not heal unless the mico-organisms are curetted from the apical area.
D. Requires no special treatment other than root canal treatment of the offending tooth.
E.Drains continuously.

Back 4

D. Requires no special treatment other than root canal treatment of the offending tooth.

Front 5

5. Periapical inflammation:
A. Is rarely an extension of the pulpal inflammatory process.
B. Involves a poor vascular network; therefore the ability to heal at the apex is less than in the pulp.
C. May be detected at all phases radiographically.
D. May result in cyst formation due to stimulation of the epithelial rests of Malassez.
E. Does not occur until the pulp is necrotic (non-responsive to pulp tests).

Back 5

D. May result in cyst formation due to stimulation of the epithelial rests of Malassez.

Front 6

6. A patient presents with spontaneous pain associated with #19 which has awakened him the last two nights. He states that the tooth hurts less if he holds cold water on it. From these symptoms alone, your best pulpal diagnosis is:
A. Irreversible pulpitis.
B. Necrotic pulp.
C. Reversible pulpitis.
D. Healthy Pulp.
E. Hypersensitivity.

Back 6

A. Irreversible pulpitis.

Front 7

7. A sinus tract is most likely to be associated with a histologic finding of:
A. Granuloma.
B. Necrotic bone.
C. Osteitis.
D. Abscess.
E. Cyst.

Back 7

D. Abscess.

Front 8

8. A patient complains of a sharp pain in the upper right quadrant caused by sweets and cold. Visual exam reveals a deep carious lesion on the second premolar. Pulp vitality testing produces a sharp, localized response to CO2 snow that is not prolonged. Probings, percussion and radiographs are normal. Your clinical definitive pulpal diagnosis is:
A. Necrotic pulp.
B. Reversible pulpitis.
C. Acute pulpitis.
D. Irreversible pulpitis.
E. There is not enough information to make a definitive diagnosis.

Back 8

E. There is not enough information to make a definitive diagnosis.

Front 9

9. Which of the following is/are factor(s) that would least likely to elicit pain in a “cracked tooth”:
A. Cold.
B. Sweets.
C. Hot.
D. Mastication.
E. All of the above.

Back 9

C. Hot.

Front 10

10. What characteristic does hyperplastic pulpitis and internal resorption have in common?
A. A history of trauma.
B. History of spontaneous pain.
C. Severe pain to thermal stimulation.
D. The lesions are usually asymptomatic.
E. Deep caries.

Back 10

D. The lesions are usually asymptomatic.

Front 11

11. A periodontal probe is useful in differentiating a periodontal lesion from an endodontic lesion because only a periodontal lesion will have a deep probing defect.
A. True.
B. False.

Back 11

B. False.

Front 12

12. Of the following periapical lesions, which would most likely contain bacteria within the lesion?
A. Apical periodontitis with sinus tract (Suppurative apical periodontitis).
B. Apical cyst.
C. Periapical granuloma.
D. Sclerotic apical periodontitis (Condensing osteitis).
E. Acute apical periodontistis.

Back 12

A. Apical periodontitis with sinus tract (Suppurative apical periodontitis).

Front 13

13. Which of the following are conditions that affect treatment planning a diagnosed endodontic problem?
A. Patients desires regarding treatment.
B. Patients ability to pay.
C. Periodontal status and prognosis of tooth in question.
D. Restorability of tooth in question.
E. All of the above.

Back 13

E. All of the above.

Front 14

14. With respect to antibiotics and root canal infections:
A. Only cell-wall synthesis inhibitory antibiotics should be used due to their ability to easily penetrate abscesses.
B. Antibiotics cannot affect bacteria confined to necrotic pulp tissue within the root canal system.
C. Systemic antibiotic therapy is generally indicated when symptoms of endodontic infections are present that suggest marked progression or systemic involvement.
D. Two of the above are correct statements.
E.q All of the above are correct statements.

Back 14

D. Two of the above are correct statements.

Front 15

15. Which of the following conditions should negate performing endodontic therapy?
A. Prosthetic hip replacement.
B. Prosthetic heart valve.
C. Systemic lupus Erythematosus.
D. Hemophilia.
E. None of the above.

Back 15

E. None of the above.

Front 16

16. In a very apprehensive patient it is better to delay telling them about the possible need for retreatment or surgery (not all treatment is successful) until treatment is completed.
A. True
B. False

Back 16

B. False

Front 17

1. All these are steps involved in the walking bleach technique except:
A. Radiograph to asses the status of the periapical tissues and the quality of the RCT.
B. Tooth color evaluated with a shade guide
C. Photographs at the beginning and throughout the procedure
D. No rubber dam isolation
E. Cleaning of the pulp chamber

Back 17

D. No rubber dam isolation

Front 18

2. External resorption due to internal bleaching occurs because the irritating chemicals diffuse through the dentinal tubules and reach the periodontium through defects in the CEJ. These chemicals combined with heat are likely to cause necrosis of the cementum, inflammation of the PDL and root resorption.
A. The first statement is TRUE. The second statement is FALSE
B. The first statement is FALSE. The second statement is TRUE
C. Both statements are TRUE
D. Both statements are FALSE

Back 18

C. Both statements are TRUE

Front 19

3. Incomplete removal of materials from the pulp chamber upon completion of treatment often results in a dark discoloration. Such discoloration cannot be prevented by removing all root canal filling materials to a level just cervical to the gingival margin.
A. The first statement is TRUE. The second statement is FALSE
B. The first statement is FALSE. The second statement is TRUE
C. Both statements are TRUE
D. Both statements are FALSE

Back 19

A. The first statement is TRUE. The second statement is FALSE

The second statement is false because the discoloration can be prevented by removing all obturation materials to a level just cervical to the gingival margin

Front 20

4. Pulp fragments remaining in the crown, usually in pulp horns, may cause gradual discoloration.
A. True
B. False

Back 20

A. True

Front 21

5. The adverse effects produced by chemicals used during internal bleaching procedures are:
A. External Resorption
B. Coronal Fracture
C. Chemical burns
D. All of the above

Back 21

D. All of the above

Front 22

6. Hydrogen peroxide and carbamide peroxide are mainly indicated for external bleaching. Sodium perborate is mostly used for internal bleaching.
A. The first statement is TRUE. The second statement is FALSE.
B. The first statement is FALSE. The second statement is TRUE
C. Both statements are TRUE.
D. Both statements are FALSE

Back 22

C. Both statements are TRUE.

Front 23

7. The difference between the Thermocatalytic technique and the Walking bleach technique is the use of:
A. Oxidizing agent in the pulp chamber
B. Heat only
C. Oxidizing agent in the pulp chamber and heat

Back 23

C. Oxidizing agent in the pulp chamber and heat

Front 24

8. Calcific metamorphosis is the extensive formation of tertiary (irregular secondary) dentin in the pulp chamber only.
A. True
B. False

Back 24

B. False

Front 25

9. The materials used for internal bleaching act as oxidizing or reducing agents.
A. True
B. False

Back 25

A. True

Front 26

10. The “Natural” or Aquired discolorations are:

A. Intrapulpal Hemorrhage
B. Calcific Metamorphosis
C. Age
D. Developmental Defects
E. Iatrogenic or inflicted discolorations
F. All of the above

Back 26

F. All of the above

Front 27

11. The Walking Bleach technique is the treatment of choice when internal bleaching is required. The Walking Bleach technique is safer, requires the least chair time, and is as effective as other bleaching techniques.
A. The first statement is TRUE. The second statement is FALSE
B. The first statement is FALSE. The second statement is TRUE
C. Both statements are TRUE
D. Both statements are FALSE

Back 27

C. Both statements are TRUE

Front 28

12. Which of the following are contraindications for performing internal bleaching?
A. Superficial enamel discolorations
B. Dentin discolorations
C. Severe dentin loss
D. Presence of caries
E. Discolored composites
F. All of the above

Back 28

F. All of the above

Front 29

13. Internal Bleaching is a procedure performed in the undergradute clinic at the UNC School of Dentistry.
A. True
B. False

Back 29

B. False

Front 30

14. Ingestion of excessive amounts of fluoride during tooth formation produces defects in mineralized structures. The severity and degree of hypoplasia depends on the amount of fluoride ingested during odontogenesis.
A. The first statement is TRUE. The second statement is FALSE
B. The first statement is FALSE. The second statement is TRUE
C. Both statements are TRUE
D. Both statements are FALSE

Back 30

C. Both statements are TRUE

Front 31

15. The degree of discoloration of a tooth is directly related to how long the pulp has been necrotic.
A. True
B. False

Back 31

A. True

Front 32

16. The indications for internal bleaching are:
A. Discoloration of the pulp chamber
B. Dentin discolorations
C. Discolorations that are not amenable to external bleaching
D. All of the above

Back 32

D. All of the above

Front 33

1. The following are true about cusp fractures except:
A. Cusp fractures are usually visible in radiographs.
B. The long term prognosis is good because fractures tend to be shallow.
C. The treatment is to remove the cusp and restore the tooth.
D. Prevention can be achieved by avoiding extensive removal of supporting dentin.

Back 33

A. Cusp fractures are usually visible in radiographs.

Front 34

2. An objective test to diagnose a fractured cusp is by biting. An occlusal gnashing force of the involved cusp elicits pain and ordinarily the pulp tests indicate vitality.
A. The first statement is TRUE. The second statement is FALSE.
B. The first statement is FALSE. The second statement is TRUE.
C. Both statements are TRUE.
D. Both statements are FALSE.

Back 34

C. Both statements are TRUE.

Front 35

3. When using Transillumination, the portion of the tooth where the light originates illuminates to the fracture. This phenomenon can be explained by the thin air space present, which does not readily transmit light. Therefore, the crack blocks or reflects the light, causing the other portion to appear dark.
A. True
B. False

Back 35

A. True

Front 36

4. The following are false about cracked teeth except:
A. Cracked teeth are almost invariably M-D fractures.
B. Cracks never cross one or both marginal ridges.
C. Etiology does not include patients who chew on hard or brittle substances.
D. Diagnosis is always easy due to the predictability of test results, radiographic findings as well as signs and symptoms.

Back 36

A. Cracked teeth are almost invariably M-D fractures.

Front 37

5. The considerations for Cracked Teeth of which patients should be informed are the following except:
A. Longitudinal fractures do not result from excessive forces, usually long term forces.
B. Visualization of the presence or extent may be difficult to identify clinically.
C. With time, fracture spaces tend to acquire stains and become more visible.
D. Fractures have a tendency to grow, although initially they are very small.
E. Signs and symptoms often are not present early but become manifest months, years or decades after fracture initiation.

Back 37

A. Longitudinal fractures do not result from excessive forces, usually long term forces.

Front 38

6. Cracked teeth are also described as “incomplete fractures”, which describes their form. It is a variation of the cusp fracture, but the associated fracture is centered more occlusally.
A. The first statement is TRUE. The second statement is FALSE.
B. The first statement is FALSE. The second statement is TRUE.
C. Both statements are TRUE.
D. Both statements are FALSE.

Back 38

C. Both statements are TRUE.

Front 39

7. Cracked teeth and their related entities, as well as vertical root fractures, are longitudinal fractures of the crown and/or the root.
A. True
B.False

Back 39

A. True

Front 40

8. What makes the diagnosis of a Vertical Root Fracture so complex?
A. Because they can vary in signs.
B. Because they do not mimic other entities.
C. Because they vary in symptoms.
D. Because you can usually see them very clearly on an x-ray.
E. A and C are correct

Back 40

E. A and C are correct

Front 41

9. The clinical features of a split tooth are:
A. Mesiodistal fractures that cross both marginal ridges and extend deep to shear onto the root surfaces.
B. The more centered the fracture is occlusally, the greater the tendency to extend apically.
C. Mobility of one or both segments is present.
D. All of the above.

Back 41

D. All of the above.

Front 42

10. The split tooth is the evolution of a cracked tooth; the fracture is now complete and extends to a surface in all areas.
A. True
B. False

Back 42

A. True

Front 43

11. The following characteristics are true about craze lines except:
A. They are particularly common in permanent teeth.
B. They usually extend to marginal ridges and along buccal and lingual surfaces in teeth.
C. They are predecessors to cracks in dentin.
D. They are confined to enamel

Back 43

C. They are predecessors to cracks in dentin.

Front 44

12. The overall prognosis of a cracked tooth depends on the situation, but it is questionable at best. The fracture does not continue to grow after treatment is rendered.
A. The first statement is TRUE. The second statement is FALSE.
B. The first statement is FALSE. The second statement is TRUE.
C. Both statements are TRUE.
D. Both statements are FALSE.

Back 44

A. The first statement is TRUE. The second statement is FALSE.

Front 45

13. Certain root shapes and sizes are more susceptible to Vertical Root Fracture. Roots that are deep facially and lingually, but narrow mesially and distally, are particularly prone to fractures.
A. The first statement is TRUE. The second statement is FALSE.
B. The first statement is FALSE. The second statement is TRUE.
C. Both statements are TRUE.
D. Both statements are FALSE.

Back 45

C. Both statements are TRUE.

Front 46

14. The two major causes of Vertical Root Fractures are post placement and condensation during root canal filling procedures.
A. True
B. False

Back 46

A. True

Front 47

1. The best strategy for managing pain consists of 3 D’s; they are:
A. Diagnosis, Definitive treatment and Drugs.
B. Diagnosis, Duration of the pain and Definitive treatment.
C. Direction, Diagnostic testing and Drugs.
D. Determination, Devitalization and Desperation

Back 47

A. Diagnosis, Definitive treatment and Drugs.

Front 48

2. The signs and symptoms of systemic involvement and spread of infection include:
A. Malaise
B. Fever
C. Cellulitis
D. Progressive abscess
E. Unexplained trismus
F. All of the above

Back 48

F. All of the above

Front 49

3. Definitive treatment reduces or eliminates the peripheral causative factors contributing to hyperalgesia, resulting in a significant reduction in pain levels.
A. True
B. False

Back 49

A. True

Front 50

4. According to the endodontic literature, what is the percentage of patients that have post-treatment flare-ups?
A. 20-27%
B. 7-10%
C. 3-7%
D. 1-2%

Back 50

C. 3-7%

Front 51

5. Allodynia is a reduction in pain threshold.
A. True
B. False

Back 51

A. True

Front 52

1. If the patient’s condition should not improve in 72 hrs, which medication should be added to the Penicillin regimen?
A. Amoxicillin
B. Clindamycin
C. Metronidazole
D. All of the above

Back 52

C. Metronidazole

Front 53

There are two general issues to be considered while examining a patient with pain; one is can the chief complaint be reproduced. The second is the identification of the cause for the odotalgia.
A. Both sentences are true.
B. Both sentences are false.
C. First sentence is true, second is false.
D. First sentence is false, second is true.

Back 53

A. Both sentences are true.

Front 54

A flare-up is defined as the development of severe post-treatment pain and/or swelling that does not require an emergency dental visit.
A. True
B. False

Back 54

B. False

Front 55

What is used as an appropriate guide for analgesic selection?
A. Amount of pain and recent history of analgesic use.
B. Allergies to analgesics specially NSAIDS.
C. Personal experience with pain.
D. History of the present pain.

Back 55

A. Amount of pain and recent history of analgesic use.

Front 56

In treating an infection the antibiotic of choice is Penicillin VK because has remained effective against most of the facultative and strict anaerobes commonly found in polymicrobial endodontic infections. It is prescribed first with a loading dosage of 1000mg and followed by a dosage of 500mg every 6 hours for 7 days.
A. Both sentences are true.
B. Both sentences are false.
C. First sentence is true and the second is false.
D. First sentence is false and the second is true.

Back 56

A. Both sentences are true.

Front 57

The major risk factor in post-operative pain is preoperative pain and/or percussion sensitivity.
A. True
B. False

Back 57

A. True

Front 58

An optimal prescription for managing post-treatment pain is an NSAID such as ibuprofen is 600 mg every 6 hours; for patients that cannot tolerate an NSAID, the optimal prescription is 1000 mg dose of acetaminophen.
A. Both sentences are true.
B. Both sentences are false.
C. First sentence is true, second is false.
D. First sentence is false, second is true.

Back 58

A. Both sentences are true.

Front 59

1. Which of the following statements related to root end surgery (apicoectomy) is not a goal?
A. Provide an apical seal.
B. Prevent leakage of potential irritants from the root canal into the periradicular tissues.
C. Remove the necrotic apical 3 mm of tooth structure.
D. Curette periradicular granulomatous tissue

Back 59

C. Remove the necrotic apical 3 mm of tooth structure.

Front 60

2. A contraindication for performing endodontic apical surgery is:
A. Medical history of rheumatic heart disease.
B. A tooth with a post and crown and no evidence of canal obturation material apical to the post.
C. Combined endodontic and periodontal problems.
D. Extent of the external oblique ridge and proximity of neurovascular structures.

Back 60

D. Extent of the external oblique ridge and proximity of neurovascular structures.

Front 61

3. According to Bergenholtz et al., retreatment whenever possible is the method of choice when treating defective endodontic root fillings complicated with pathologic processes periapically due to all of the following except:
A. Root fillings with technical shortcomings could, following retreatment, be markedly improved as regards effectiveness of seal and distance to the apex.
B. A large number of lumina discernible apical to root-filling could also be treated and filled.
C. Seventy-eight percent of the cases with pathologic lesion present periapically prior to retreatment either completely healed or displayed an obvious size-reduction of the process.
D. Retreatments carried out because of technical inadequacies alone were successful in 94% of the cases.
E. All of the above statements are true.

Back 61

E. All of the above statements are true.

Front 62

4. The Appropriateness of Care and Quality Assurance Guidelines of the American Association of Endodontists list all of the following surgical treatments except:
A. Incision and Drainage, Cortical Trephination
B. Periradicular Curettage, Root-End Resection (Periradicular Surgery or Apicoectomy), Root End Filling (Retrofilling)
C. Biopsy, Root Repair, Hemisection, Root Resection (Root Amputation)
D. Intentional Replantation, Surgical Removal of the Apical Segment of a Fractured Root
E. All of the above are included

Back 62

E. All of the above are included

Front 63

5. Tissue removed from an apical bony lesion should be biopsied.
A. True.
B. False.

Back 63

A. True.

Front 64

6. Flap design in endodontic surgery is dependent upon:
A. Restoration of the involved tooth.
B. Periodontal status of the involved tooth.
C. Radiographic size of the bony lesion.
D. All of the above.

Back 64

D. All of the above.

Front 65

7. Which of the following statements related to endodontic surgery are true?
A. A root end filling must always be placed after root end resection.
B. The primary reason for beveling the root surface following root end resection is to conserve root length.
C. The long term success rate of surgical endodontic treatment has not been shown to be superior to non-surgical treatment.
D. Teeth with fractured or broken instruments in the root canal should preferable be treated via a surgical approach.
E. Teeth restored with posts and crowns are best treated by endodontic surgery.

Back 65

C. The long term success rate of surgical endodontic treatment has not been shown to be superior to non-surgical treatment.

Front 66

8. Prognosis of surgical and non-surgical root canal treatment is best described as:
A. Good, bad, ugly
B. Healed, healing, not healed
C.Favorable, questionable, unfavorable
D. Excellent, good, questionable, poor, hopeless
E. Questionable, failure

Back 66

C.Favorable, questionable, unfavorable

Front 67

1. The following requirement(s) for establishing drainage of an Acute Apical Abscess is (are) true:
A. Surgical entry is required if good drainage is established through the canal.
B. A tooth left open should be allowed to drain a minimum of 2 weeks.
C. Incision and Drainage may be performed on fluctuant and non-fluctuant swellings.
D. A parulis requires cortical trephination and placement of a drain.
E. For patient comfort infiltration anesthesia into the swollen tissue is ideal.

Back 67

C. Incision and Drainage may be performed on fluctuant and non-fluctuant swellings.

Front 68

2. Anatomic complications requiring apical surgery include:
A. Asymptomatic calcified teeth with no evidence of periapical pathosis.
B. A well-filled dilacerated root canal.
C. Obturated canals with extensive root resorption showing evidence of healing.
D. Successful apexification of an immature tooth.
E. Iatrogenic perforation or ledges that prevent apical sealing.

Back 68

E. Iatrogenic perforation or ledges that prevent apical sealing.

Front 69

3. When treatment planning a case for endodontic surgery, which of the following are considered?
A. An evaluation of the clinical abilities of the general dentist is not necessary.
B. The patient is provided with one treatment alternative so they will not be confused.
C. The prognosis before and after surgical completion is provided to the patient.
D. An evaluation by the dentist after the patient returns from the endodontist is not necessary.
E. The dentist is expected to treatment plan only those procedures for which they can perform the treatment.

Back 69

C. The prognosis before and after surgical completion is provided to the patient.

Front 70

4. Success of surgical and non-surgical root canal treatment is best described as:
A. Good, bad, ugly
B. Healed, healing, not healed
C. Favorable, questionable, unfavorable
D. Excellent, good, questionable, poor, hopeless
E. Success, questionable, failure

Back 70

B. Healed, healing, not healed

Front 71

5. Which of the following statements regarding endodontic post-surgical management is false?
A. The use of chlorhexidine gluconate (ex. Peridex) mouthwash after surgery reduces plaque formation and aids healing.
B. Possible post-operative complications following endodontic surgery include bleeding, bruising, pain, and swelling.
C. Post-operative instructions should be reviewed with patients pre-operatively.
D. Antibiotics should routinely be prescribed as part of post-surgical management.

Back 71

D. Antibiotics should routinely be prescribed as part of post-surgical management.

Front 72

6. Suturing should be accomplished by:
A. Moving the needle through attached tissue to unattached tissue.
B. Moving the needle through unattached tissue to attached tissue.
C. Using only interrupted sutures.
D. Using only chromic (gut) sutures.

Back 72

B. Moving the needle through unattached tissue to attached tissue.

Front 73

7. Flap design in endodontic surgery is dependent upon:
A. Restoration of the involved tooth.
B. Periodontal status of the involved tooth.
C. Radiographic size of the bony lesion.
D. All of the above.

Back 73

D. All of the above.

Front 74

8. Which of the following statements related to Incision and Drainage (I&D) procedures is false?
A. The incision should be made firmly through periosteum and to the bone.
B. A drain is required if insufficient drainage has been obtained.
C. A drain is required if swelling is suspected to recur.
D. I&D procedures must be performed before root canal treatment is initiated.
E. Regional block anesthesia should be obtained to avoid injection into inflamed tissues.

Back 74

D. I&D procedures must be performed before root canal treatment is initiated.

Front 75

9. Ultrasonic instruments allow better access during surgical apical root preparations. Use of burs in apical root end surgery yields more conservative preparations.
A. The first statement is TRUE; the second statement is FALSE.
B. The first statement is FALSE; the second statement is TRUE.
C. Both statements are TRUE.
D. Both statements are FALSE.

Back 75

A. The first statement is TRUE; the second statement is FALSE.

Front 76

10. The Appropriateness of Care and Quality Assurance Guidelines of the American Association of Endodontists list all of the following surgical treatments except:
A. Incision and Drainage, Cortical Trephination
B. Periradicular Curettage, Root-End Resection (Periradicular Surgery or Apicoectomy), Root End Filling (Retrofilling)
C. Biopsy, Root Repair, Hemisection, Root Resection (Root Amputation)
D. Intentional Replantation, Surgical Removal of the Apical Segment of a Fractured Root
E. All of the above are included

Back 76

E. All of the above are included

Front 77

1. A contraindication for performing endodontic apical surgery is:
A. Medical history of rheumatic heart disease.
B. A tooth with a post and crown and no evidence of canal obturation material apical to the post.
C. Combined endodontic and periodontal problems.
D. Extent of the external oblique ridge and proximity of neurovascular structures.

Back 77

D. Extent of the external oblique ridge and proximity of neurovascular structures.

Front 78

2. A patient presents for 6 month recall following root canal treatment on tooth #11. The tooth was appropriately restored, but the radiograph reveals an enlarging radiolucency. The most common recommendation at this time is:
A. No treatment, reevaluate at 12 months.
B. Retreat through the root canal system.
C. Periapical surgery.
D. Periapical surgery with retrograde restoration.
E. Extraction.

Back 78

B. Retreat through the root canal system.

Front 79

3. Which of the following statements related to endodontic surgery are true?
A. A root end filling must always be placed after root end resection.
B. The primary reason for beveling the root surface following root end resection is to conserve root length.
C. The long term success rate of surgical endodontic treatment has not been shown to be superior to non-surgical treatment.
D. Teeth with fractured or broken instruments in the root canal should preferable be treated via a surgical approach.
E. Teeth restored with posts and crowns are best treated by endodontic surgery.

Back 79

C. The long term success rate of surgical endodontic treatment has not been shown to be superior to non-surgical treatment.

Front 80

4. Which of the following statements related to root end surgery (apicoectomy) is not a goal?
A. Provide an apical seal.
B. Prevent leakage of potential irritants from the root canal into the periradicular tissues.
C. Remove the necrotic apical 3 mm of tooth structure.
D. Curette periradicular granulomatous tissue.

Back 80

C. Remove the necrotic apical 3 mm of tooth structure.

Front 81

5. Success of surgical and non-surgical root canal treatment is best described as:
A. Good, bad, ugly
B. Healed, healing, not healed
C. Favorable, questionable, unfavorable
D. Excellent, good, questionable, poor, hopeless
E. Success, questionable, failure

Back 81

B. Healed, healing, not healed

Front 82

If initial RCT is unsuccessful, periapical surgery should be performed when possible.

A. True
B. False

Back 82

B. False

Front 83

Material of choice for retrograde filling is...

Back 83

IRM