ADC ADC - Australian Dental Council Dental Anatomy and Occlusion Questions and Answers 2

Question 1

Which root of the mandibular first molar is typically broader buccolingually?

Accepted Answer

Mesial root

Answer

Distal root

Answer

Both roots are equal

Answer

Lingual root

Question 2

The working side condyle during lateral mandibular movement is called:

Accepted Answer

Rotating condyle

Answer

Balancing condyle

Answer

Orbiting condyle

Answer

Protrusive condyle

Question 3

How many root canals does the maxillary first premolar most commonly have?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 4

The canine guidance (cuspid protected occlusion) means:

Accepted Answer

The canines bear all lateral occlusal forces and disengage posterior teeth

Answer

Posterior teeth guide lateral movements

Answer

All teeth share equal contact during lateral excursion

Answer

The incisors protect the canines during lateral movement

Question 5

Which developmental groove on the mandibular first molar separates the mesiobuccal and distobuccal cusps?

Accepted Answer

Buccal groove

Answer

Central groove

Answer

Lingual groove

Answer

Distal groove

Question 6

Centric relation is best described as:

Accepted Answer

The musculoskeletally stable position of the condyle in the glenoid fossa

Answer

Maximum intercuspation of teeth

Answer

The most retruded position of the mandible with teeth in contact

Answer

The rest position of the mandible