Lab 3: Pulpotomy

Question 1

T/F. The rubber dam is placed prior to cavity preparation and usually left in place until the final restoration has been completed.

Answer 1

True.

Question 2

What are some advantages to the use of a rubber damn in children?

Answer 2

1. great accessibility and visibility (retracts soft tissue and provides dark contrasting background)
2. control of moisture
3. decreased operating time
4. enhances the quality of work
5. protects the soft tissues and prevents swallowing of dental instruments
6. improved infection control
7. improved patient management

Question 3

What are some contraindications to rubber dam use?

Answer 3

1. bands on teeth
2. patients with poor nasal airway exchange
3. patients with allergy to latex
4. rubber dam clamp cannot be retained due to eruption state of tooth

Question 4

What tooth do we use the following clamps with?

A. #14, #7
B. #14A, #8A
C. #3
D. #2

Answer 4

A - erupted 1st permanent molar
B. partially erupted permanent molars
C. secondary primary molars
D. premolars and first primary molars

Question 5

___ is the treatment of choice when there is NO SIGN of spontaneous pain; swelling; tenderness to percussion; abnormal mobility; fistulas; sulcular drainage; internal resorption; pulpal calcifications; pathologic external root resorption; periapical radiolucency; inter-radicular radiolucency; excessive pulpal bleeding or a putrescent odor.

Answer 5

Pulp(O)tomy

Question 6

OSU recommends the use of ___ ___ for the vital pulpotomy procedures on primary molars.

Answer 6

ferric sulfate

Question 7

___ induces a chronic inflammatory response and is potentially immunogenic, mutagenic and even carcinogenic.

Answer 7

Formocresol

Question 8

Primary maxillary first and second molars have a ___ shaped access opening for pulpotomy treatment.

Primary mandibular first and second molars have a ___ shaped access opening for pulpotomy treatment.

Answer 8

triangular; rectangular

Question 9

The occlusal reduction, access, and de-roofing should be performed with a ___ speed hand piece.

Answer 9

high

Question 10

Remove pulpal tissue and any remaining caries with a large (#6 or #8) ___ bur in the ___ speed handpiece.

Answer 10

round; slow

Question 11

One or more sterile ___ ___ should be placed over each pulp amputation site (canal orifice), and pressure should be applied for several minutes.

Answer 11

cotton pellets

Question 12

A deep ___ hemorrhage or an excessive amount of bleeding that persists in spite of cotton pellet pressure is indicative of ___ pulp changes that have extended into ___ the pulp. What is now indicated?

Answer 12

purple; inflammatory; radicular

pulpectomy or extraction

Question 13

T/F. Intrapulpal local anesthesia should be used in attempting to minimize the hemorrhage.

Answer 13

False, NO intrapulpal local anesthesia should be used in attempting to minimize the hemorrhage, since bleeding behavior is a clinical evaluation that is critical to judging the radicular pulp status.

Question 14

Why should one be certain to remove the entire roof of the pulp chamber?

Answer 14

small tissue tags remaining under the roof may cause teh continued bleeding

Question 15

How long should a cotton pellet soaked in ferric sulfate be placed over the radicular pulp stumps?

Answer 15

15 seconds

Question 16

Fill the SSC with cement ___rds full.

Answer 16

2/3rdds