COA Dental Anatomy & Oral Development

Question 1

How many permanent teeth does a fully dentate adult typically have, including third molars (wisdom teeth)?

Accepted Answer

32

Answer

20

Answer

28

Answer

24

Question 2

The permanent canine teeth are clinically referred to by which alternative name?

Accepted Answer

Cuspids

Answer

Bicuspids

Answer

Premolars

Answer

Supernumeraries

Question 3

Which tooth structure is considered the hardest substance in the human body?

Accepted Answer

Enamel

Answer

Dentin

Answer

Cementum

Answer

Cortical bone

Question 4

The fibrous connective tissue that attaches the tooth root to the surrounding alveolar bone is called the:

Accepted Answer

Periodontal ligament

Answer

Gingival tissue

Answer

Cementum

Answer

Lamina dura

Question 5

The labial surface of an anterior tooth refers to the surface that faces:

Accepted Answer

The lips

Answer

The tongue

Answer

The palate

Answer

The adjacent tooth

Question 6

Which surface term is used to describe the chewing surface of posterior (back) teeth?

Accepted Answer

Occlusal

Answer

Incisal

Answer

Buccal

Answer

Lingual

Question 7

Which of the following best describes the anatomical characteristics of a molar tooth?

Accepted Answer

Multiple cusps and broad occlusal surface used for grinding

Answer

One root and a sharp incisal edge used for cutting

Answer

Located in the anterior segment with a single cusp

Answer

Two roots and a pointed cusp used for tearing food