Dental caries quiz

The main objective of cavity preparations is

• to decrease plaque formation

• to increase masticatory efficiency

• to prevent caries

• the treatment of caries

Which permanent teeth are the most susceptible to dental caries?

• lower first molars

• upper incisors

• upper third molars

• upper premolars

Early smooth surface enamel decay shows clinically as

• an opaque white patch

• chipping of the enamel

• a brown patch

• a radio-opaque area

Caries occurs mainly in fissures and inter proximal spaces because they are

• areas of weak enamel

• difficult areas to examine

• never in contact with saliva

• typical food stagnation areas

Dental caries occurs in soft tissues

• true

• false

Dental caries does not occur in

• unerupted teeth

• partially erupted teeth

• fully erupted teeth

• the pulp

• supernumerary teeth

Toothache is associated with

• enamel decay

• exposed interdental bone

• pulp exposure

• exposed cementum

• early dentine decay

The pulp tries to protect itself against low-grade carious process by

• increasing its blood supply

• forming reparative dentine

• forming an abscess

• producing painful sensations