DANB Dental Anatomy and Oral Health Assessment

Question 1

How many permanent teeth does a dentally complete adult typically have?

Accepted Answer

32

Answer

Adults typically have 32 permanent teeth: 8 per quadrant including the third molar (wisdom tooth), for a total of 32.

Question 2

Which tooth surface faces the tongue?

Accepted Answer

Lingual

Answer

The lingual surface faces the tongue; the term comes from the Latin word 'lingua' meaning tongue.

Question 3

What is the hardest naturally occurring substance in the human body?

Accepted Answer

Enamel

Answer

Dental enamel is the hardest substance in the human body, composed of approximately 96% hydroxyapatite mineral crystals.

Question 4

The triangular space between two adjacent teeth is called the:

Accepted Answer

Embrasure

Answer

The embrasure is the V-shaped space between adjacent teeth that allows for food deflection away from the gingiva during chewing.

Question 5

Which teeth are referred to as the 'cornerstone' teeth of the dental arches?

Accepted Answer

Canines (cuspids)

Answer

Canines (cuspids) are called cornerstone teeth because they mark the transition from anterior to posterior segments and provide guidance in lateral excursions.

DANB General Chairside Assisting (GC) Test Practice Test

DANB General Chairside Assisting (GC) Test Practice Test

DANB Dental Anatomy and Oral Health Assessment