AAE Guide To Clinical Endodontics

Question 1

Indications for pulpotomy?

Answer 1

Pulpal exposure

Irreversible pulpitis of primary teeth

Emergency tx until RCT

Interim for permanent teeth with developing roots

Question 2

Indications for indirect pulp cap?

Answer 2

Immature permanent tooth

Deep caries likely to expose pulp

No pre-treatment symptoms

No periapical pathology

Pt informed endo may be needed in future

Question 3

Indications for direct pulp cap?

Answer 3

Exposure of vital and asymptomatic pulp

Bleeding controlled

Exposure under dam

Can get good coronal seal of restoration

Pt informed endo may / probs needed in future

Question 4

Indications for post placement in endo treated teeth?

Answer 4

Adequate crown:root ratio

Crown inadequate for other ratio

Sufficient ferrule

Question 5

Indications for using a core?

Answer 5

Replacement of coronal tooth structure necessary

Enhanced retention and resistance needed

Question 6

Pros / cons of tapered post?

Answer 6

Pros
- Follows root form, ensuring maximum root dentine apically
- Stress concentration coronally

Cons
- wedging effect
- retained by cement - failure at this margin and secondary caries

Question 7

Pros / cons of parallel post?

Answer 7

Pros
- uniform stress distribution
- increased pull-out strength

Cons
- more tooth structure removal
- stress concentration apically?

Question 8

What is said to be the optimal post design?

Answer 8

Non threaded
- avoid installation stress created by threads that will be later relieved by root fracture

Parallel sided
- avoids wedging forces

Cement retained
- distribute masticatory forces equally