Restorative Dentistry.

Question 1

Definition of Caries.

Answer 1

A localized desoltion of the tooth surface, brought about by metabolic activity in a microbial deposit on the tooth surface.

Question 2

Primary Caries.

Answer 2

Tooth decay on a tooth that has not been affected previously.

Question 3

Secondary Caries.

Answer 3

Tooth decay on a tooth that has been affected and treated before.

Question 4

Rampant Caries.

Answer 4

Rapid tooth decay that has affected multiple teeth at a speed.

Question 5

Aetiology of caries.

Answer 5

• Social-economic status
• Knowledge.
• Fluoride.
• Saliva
• Immune System.
• Plaque
• Tooth
• Diet.

Question 6

Bacteria which cause caries formation.

Answer 6

Strep. Mutans and lactobacilli.

Question 7

Sites of caries formation.

Answer 7

Pits & fissures, susceptible areas, gingival margin, exposed root surface.

Question 8

How can caries be managed?

Answer 8

Use of fluoride, oral hygiene, change in diet, getting dental treatment.

Question 9

Blacks Classification of Caries (BCC) - Class 1

Answer 9

Occlusal surface of posterior teeth, palatal surfaces of anterior teeth and retrograde restorations.

Question 10

BCC- Class 2

Answer 10

Interproximal areas of posterior teeth.

Question 11

BCC- Class 3

Answer 11

Interproximal areas of anterior teeth, not including the incisal edge.

Question 12

BCC- Cass 4

Answer 12

Interproximal areas of anterior teeth including the incisal edge.

Question 13

BCC- Class 5

Answer 13

Cavities in the gingival margin or the cervical third of a tooth.

Question 14

Dental Plaque.

Answer 14

A firmly adherent biofilm which is a mass of living, dying and dead bacteria and their products in a mucopolyssacharide matrix.