ADC ADC - Australian Dental Council Dental Anatomy and Occlusion Questions and Answers

Question 1

How many cusps does a maxillary first molar typically have?

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 2

Which tooth is known as the 'cornerstone' of the dental arch?

Accepted Answer

Canine

Answer

Central incisor

Answer

Lateral incisor

Answer

First premolar

Question 3

In Angle's Class II malocclusion, the mesiobuccal cusp of the maxillary first molar occludes:

Accepted Answer

Mesial to the buccal groove of the mandibular first molar

Answer

In the buccal groove of the mandibular first molar

Answer

Distal to the buccal groove of the mandibular first molar

Answer

In the embrasure between the mandibular first and second molars

Question 4

The Curve of Spee is a curvature observed in which plane?

Accepted Answer

Sagittal plane

Answer

Transverse plane

Answer

Frontal plane

Answer

Horizontal plane

Question 5

Which structure forms the primary reference point for determining the vertical dimension of occlusion?

Accepted Answer

The occlusal plane

Answer

The maxillary central incisors

Answer

The temporomandibular joint condyle

Answer

The Frankfort horizontal plane

Question 6

What is the Bennett movement in mandibular kinematics?

Accepted Answer

Lateral bodily shift of the mandible during lateral excursion

Answer

Protrusive movement of the mandible

Answer

Rotational movement around the transverse hinge axis

Answer

Retrusive glide from rest to centric occlusion