Caries

Question 1

Which one of the following is most likely of an early carious area in a tooth?

A. Cavity
B. Periapical abcess
C. Reversible pulpitis
D. White spot lesion

Answer 1

White spot lesion

Question 2

The formation of carious lesion in a previously sound tooth follow a set sequence. Which one of the following events describes the second stage of this sequence, of those options shown below:

A. Caries enters the dentine layer
B. Caries enters the enamel layer
C. Caries reaches the amelodentinal junction
D. De-mineralisation of the enamel

Answer 2

Caries enters the enamel layer

Question 3

Which of the following describes enamel loss due to action of dietary acids?

A. Abfraction
B. Abrasion
C. Attrition
D. Erosion

Answer 3

Erosion