4. Direct Restorations

Question 1

List 5 reasons why we restore teeth:

Answer 1

1. To allow lesion to become cleansable
2. To relieve pain in reversible pulpitis
3. To allow the pulpal dentinal complex to heal
4. To prevent the development of carious lesions
5. To restore function, form and aesthetics

Question 2

What are the 3 principles of caries removal?

Answer 2

1. Remove all unsupported enamel leaving a sound enamel margin.
2. Remove all dark, soft carious dentine.
3. Carious dentine overlaying the pulp can be left if tooth is symptomless and their is a peripheral seal

Question 3

List the 3 main restorative materials used for direct restoration’s:

Answer 3

Amalgam
Composite
Glass Ionomer

Question 4

What should you assess if deep caries is suspected?

Answer 4

Restoarability
Symptoms
Sensibility tests
TTP test
Radiographs

Question 5

What are the treatment options for irreversible pulpitis/a necrotic pulp?

Answer 5

RCT or XLA

Question 6

What should be done if the tooth has reversible pulpitis or a healthy pulp?

Answer 6

Selective caries removal of dentine without pulp exposure and a peripheral sealing restoration

Question 7

How does selective caries removal work?

Answer 7

Bacteria is sealed under the restoration with a good peripheral seal and is denied any substrate and the lesion arrests. In addition it also allows the pulpal dentinal complex to lay down reparative dentine.

Question 8

What is a blacks class I cavity?

Answer 8

Occlusal

Question 9

What is a blacks class II cavity?

Answer 9

Proximal (posterior)

Question 10

What is a blacks class III cavity?

Answer 10

Proximal (anterior)

Question 11

What is a blacks class IV cavity?

Answer 11

Incisal

Question 12

What is a blacks class V cavity?

Answer 12

Cervical