Endo Final - Trauma

Front 1

Complicated crown fractures comprise what proportion of dental injuries?

Back 1

2 - 13%

Front 2

Uncomplicated crown fractures should be followed for a minimum of:

Back 2

5 years

Front 3

Inflammation in the first 48 hours extends how deeply into the pulp?

Back 3

1-2 mm

Front 4

In which teeth should a dentist avoid performing a pulpectomy?
1. primary teeth
2. immature permanent teeth
3. mature permanent teeth
4. calcified teeth
5. root fractured teeth

Back 4

2. immature permanent teeth

Front 5

Complicated crown fractures involve:

Back 5

enamel, dentin and pulp

Front 6

Uncomplicated crown fractures comprise what proportion of all dental injuries?

Back 6

1/3

Front 7

What proportion of teeth with a complicated crown fracture undergoing a Cvek pulpotomy will result in necrosis?

Back 7

10%

Front 8

Ellis Type I fractures involve:

Back 8

enamel only

Front 9

Which of these factors is not significant when considering a Cvek pulpotomy?
1. patient age
2. patient gender
3. location of exposure
4. size of exposure
5. reported symptoms

Back 9

2. patient gender

Front 10

What percentage of vital pulp therapies are successful in cases with an inflamed pulp?

Back 10

< 30%

Front 11

In which teeth should a dentist avoid performing a pulpectomy?
1. primary teeth
2. immature permanent teeth
3. mature permanent teeth
4. calcified teeth
5. root fractured teeth

Back 11

2. immature permanent teeth

Front 12

Dentin should be etched for how long to facilitate bonding of a tooth fragment after a dental trauma:

Back 12

15 secs

Front 13

The proportion of uncomplicated crown fractures that result in necrosis is:

Back 13

1-7%

Front 14

The most effective sensitivity test following a dental trauma is:
1. cold
2. heat
3. room temperature water
4. mobility test
5. electric pulp test

Back 14

1. cold

Front 15

A tooth with a portion of crown missing following a trauma with a concomitant deep tongue laceration, where the missing tooth fragment cannot be accounted for, should prompt the dentist to carry out what procedure first?
1. suture the tongue laceration to prevent contamination
2. palpate the tongue and take a soft tissue radiograph of it
3. Irrigate the laceration with saline, then immediately close the injury using sutures
4. order a chest x-ray of the patient as soon as possible
5. proceed to build up the tooth with composite

Back 15

2. palpate the tongue and take a soft tissue radiograph of it

Front 16

Follow-up visits for infractions should be carried out at:

Back 16

3, 6, 12 months

Front 17

Maintaining pulp vitality:
1. maintains root strength
2. decreases root strength
3. can lead to increased marginal alveolar bone loss
4. can lead to increased risk of horizontal root fractures
5. can lead to a gain in periodontal attachment levels

Back 17

1. maintains root strength

Front 18

The only treatment required for infractions is:
1. a direct pulp cap
2. an indirect pulp cap
3. a conservative cavity preparation
4. baseline sensitivity tests
5. orthodontic band placement

Back 18

4. baseline sensitivity tests

Front 19

Full pulpotomies are indicated in immature permanent teeth after a complicated crown fracture is untreated for more than:
1. 4 hours
2. 24 hours
3. 36 hours
4. 48 hours
5. 72 hours

Back 19

4. 48 hours