ADC ADC - Australian Dental Council Dental Anatomy and Occlusion Questions and Answers 3

Question 1

Which permanent tooth has the longest root?

Accepted Answer

Maxillary canine

Answer

Maxillary central incisor

Answer

Maxillary first molar

Answer

Mandibular first molar

Question 2

The Curve of Wilson refers to:

Accepted Answer

The mediolateral curvature passing through the buccal and lingual cusp tips of opposing molars

Answer

The sagittal curvature of the posterior occlusal plane

Answer

The curvature of the mandibular incisors

Answer

The arc of closure of the mandible

Question 3

In a Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes:

Accepted Answer

In the buccal groove of the mandibular first molar

Answer

Distal to the buccal groove of the mandibular first molar

Answer

Mesial to the buccal groove of the mandibular first molar

Answer

Between the mandibular first and second molars

Question 4

Which cusp of the maxillary first molar is known as the 'cusp of Carabelli'?

Accepted Answer

Mesiolingual cusp — an additional tubercle on its lingual surface

Answer

Mesiobuccal cusp

Answer

Distolingual cusp

Answer

Distobuccal cusp

Question 5

The freeway space (interocclusal rest space) is typically:

Accepted Answer

2–4 mm

Answer

0–1 mm

Answer

5–7 mm

Answer

8–10 mm

Question 6

How many lobes does the maxillary central incisor develop from?

Accepted Answer

4

Answer

2

Answer

3

Answer

5