Endodontics L3: indications and Contraindications for RCT

Question 1

Q15: what is going on with this tooth?

Answer 1

Internal resorption

Question 2

Q10: tooth related complications, what is the name of this abnormal canal configuration?

Answer 2

Tortuous canals (curvature of roots)

Question 3

Q17: it is not safe to undertake any procedures when INR is higher than?

Answer 3

4

Question 4

Q6: patient related contraindications can determine different treatment plans. What would be the common contraindication found in older patients, that would make root canal treatment difficult for them?

Answer 4

Shallow pulp chambers, narrow root canals and systemic medical conditions.

Question 5

Q12: tooth related complications, what is the name of this abnormal canal configuration?

Answer 5

Extremely curved canals

Question 6

Q21: if a patient is taking amoxicillin as an antibiotic prophylaxis how would they take it?

Answer 6

They would take a 3 g oral powder sachet

Question 7

Q11: tooth related complications, what is the name of this abnormal canal configuration?

Answer 7

Dens invaginatus (also known as tooth within a tooth)

Question 8

Q8: what does this radiograph show that would be a contraindication for root canal treatment?

Answer 8

Narrow root canals

Question 9

Q18: which drugs are responsible for the reduction of bone resorption by inhibiting enzymes essential for the formation, recruitment, and function of osteoclasts?

Answer 9

Bisphosphonates.

Question 10

Q5: nonstrategic teeth that serve no current or possible future function should not have root canal treatment and be extracted, except for which tooth if in function?

Answer 10

8’s

Question 11

Q7: what feature of the roots make it difficult to carry out root canal treatment in young patients.

Answer 11

Young patients would tend to have immature roots, which has a wider apex

Question 12

Q13: tooth related complications, what is the name of this abnormal canal configuration?

Answer 12

Taurodontism. Taurodontism is a condition found in the molar teeth of humans whereby the body of the tooth and pulp chamber is enlarged vertically at the expense of the roots. As a result, the floor of the pulp and furcation of the tooth is moved apically down the root.

Question 13

Q19: which drug acts as a RANKL inhibitor:

Answer 13

Denosumab

Question 14

Q2: if the tooth cannot be restored to function, what would be the preferred option for treatment?

Answer 14

Extraction.

Question 15

Q3: extensive caries/root caries, massive resorptive defects, poor crown/root ratio; would usually indicate that the tooth is either restorable/non restorable?

Answer 15

Non restorable.

Question 16

Q14: what is going on with this tooth?

Answer 16

External resorption

Question 17

Q4: how would you use the patient as a true contraindication, whether or not to carry out a root canal treatment?

Answer 17

If the patient is poorly motivated. Poor OH. Several missing teeth.

Question 18

Q1: what are the true contraindications of root canal treatment?

Answer 18

Insufficient periodontal support (minimal bone support and grade III mobility). Non restorable teeth. Vertical root fracture.

Question 19

Q9: what does this radiograph show that would be a contraindication for root canal treatment?

Answer 19

Immature root, wide apex

Question 20

Q16: what has occurred to these root canals?

Answer 20

These root canals have been obliterated

Question 22

Q22: if a patient is allergic to penicillin, how would they take a antibiotic prophylaxis?

Answer 22

They would take clindamycin capsules 600 mg (2 capsules)

Question 23

Q20: if AP is indicated, a prescription should be issued prior to the procedure, AP (antibiotic prophylaxis) should be taken how long before a procedure?

Answer 23

60 mins.