Dental Fractures

Question 1

__________ is an incomplete fracture (crack) of the enamel without loss of tooth substance.

Answer 1

Enamel infraction

Question 2

what is the treatment for enamel infraction?

Answer 2

monitor!

Question 3

_________ is a fracture with loss of crown substance confined to the enamel, exposing the dentin.

Answer 3

enamel fracture

Question 4

_________ is a fracture of the crown (enamel and dentin) that does not expose the pulp.

Answer 4

uncomplicated crown fracture

Question 5

_________ is a fracture of the crown (enamel and dentin) that exposes the pulp

Answer 5

complicated crown fracture

Question 6

___________ is a fracture of the crown and root that does NOT expose the pulp.

Answer 6

uncomplicated crown-root fracture

(ex. classic slab fracture)

Question 7

_________ is a fracture of the crown and root that exposes the pulp.

Answer 7

complicated crown-root fracture

Question 8

__________ is a fracture involving the root.

Answer 8

root fracture

Question 9

What are some causes of dental fractures?

Answer 9

1. cage chewing
2. rock chewing
3. bones!
4. jobs (police bite dogs)
5. hard toys

Question 10

what is the rule of thumb for bones?

Answer 10

you should be able to make an impression on the bone with your thumbnail.
if you cannot, its too hard.

Question 11

what fractures are indications for extraction?

Answer 11

1. old, complicated
2. root involvement
3. some fresh complicated

Question 12

What is the treatment for fresh uncomplicated fractures?

Answer 12

seal exposed dentin with resorative material (glass ionomer or light-cured epoxy)

Question 13

what is the treatment for fresh complicated fractures with no root involvement?

Answer 13

vital pulp therapy

owners must be willing to come back very periodically for radiographs and they must be aware of potential failure and subsequent need for extraction.

Question 14

Describe how to perform vital pulp therapy.

Answer 14

1. professional dental cleaning
2. pumice polish
3. rinse mouth with chlorhexidine
4. perioperative antibiotics
5. remove 5-7 mm pulp with round bur
6. control hemorrhage with paper point
7. apply pulp dressing (trioxide aggregate)
8. Add intermediate layer (glass ionomer)
9. finish with light cured restorative
10. take post-op xrays
11. take follow up xrays in 3m, 12m, then yearly.