Dental MCQ Questions — Page 620

Question 1

At birth, the palate is relatively flat: in adults; it is vault-shaped. By which of the following does this change occur:

Answer

Bone resorption in the palatal vault

Answer

Growth of the maxillary sinuses

Answer

Deposition of the alveolar crestal bone

Answer

Bone deposition on the posterior wall of the maxillary tuberosity

Question 2

Answer

It uses rotary finishing instrument

Answer

Leaves a smooth surface

Answer

The surface left by enameloplasty should meet the tooth preparation wall with a cavosurface angle no greater than approximately 100 degrees

Answer

Enameloplasty is accomplished as part of final preparation stage

Question 3

Answer

Faciolingual loss of tissues with normal ridge height

Answer

Normal ridge width with loss of ridge height

Answer

Loss of height and width

Answer

None of the above

Question 4

Answer

Class I lever principle

Answer

Class II lever principle

Answer

Class III lever principle

Answer

Combination of more than one of the above

Question 5

Answer

Provides chemical retention

Answer

Provides mechanical retention

Answer

Is used as resistance form

Answer

Is used for pulp protection

Question 6

Answer

Trichophyton

Answer

Aspergillus

Answer

Corynebacterium

Answer

Staphylococcus

Question 7

Answer

It is a dual cure polymerization system

Answer

It is radiolucent

Answer

It releases fluoride

Answer

It adheres to the dentin

Question 8

APapules

BPustules

CComedones

DWheals

Question 9

CHostile

Answer

Neglectful

Answer

Manipulative

Answer

Overprotective