Caries

Question 1

Progression of Caries?

Answer 1

1. Demineralisation of Enamel
2. Caries progressing beyond the ADJ
3. Spreads through dentine
4. Pulpitis
5. Alveolar abscess

Question 2

Dental caries is?

Answer 2

Irreversible disease of the tooth structure

Question 3

Sugars which are most responsible for dental caries are called?

Answer 3

Non milk extrinsic

Question 4

3 examples of foods containing hidden sugar?

Answer 4

Tonnes beans. Cereals. Yoghurts

Question 5

3 factors that can cause caries?

Answer 5

Sucrose. Lactic acid. Streptococcus Mutans

Question 6

3 contributing factors to the cause of dental caries ?

Answer 6

Streptococcus mutans found in plaque
Frequency of sugar in diet
Acid causing demineralisation

Question 7

Single most important cause of caries?

Answer 7

Frequency of sugar in diet

Question 8

Bacteria in plaque turns sugar into?

Answer 8

Acid

Question 9

What does DMF stand for?

Answer 9

Decayed. Missing. Filled.

Question 10

2 methods of detecting caries?

Answer 10

Probe
Radiographs
Naked eye

Question 11

What effect does the Stephan curve show?

Answer 11

The effect sugar has on the pH of plaque

Question 12

Critical pH level below which acid demineralises enamel?

Answer 12

pH 5.5

Question 13

List 3 types of topical fluoride?

Answer 13

Toothpaste, mouthwash, varnish

Question 14

List 3 types of systematic fluoride?

Answer 14

Water. Tablets. Drops.

Question 15

Definition of Caries?

Answer 15

Breakdown of the calcified portion of the tooth, it is irreversible caused by bacterial invasion

Question 16

Common caries sites?

Answer 16

Pitt’s and fissures
Smooth surface
Root

Question 17

Resting pH of plaque?

Answer 17

pH 6.8

Question 18

Equation

Answer 18

Tooth + Plaque (Streptococcus Mutans) + Sugar (Non Milk Extrinsic) = Acid = demineralisation = caries