EFDA Anatomy and Occlusion 2

Question 1

Which cusp of the maxillary first molar is considered the primary centric holding cusp?

Accepted Answer

Mesiolingual cusp

Answer

Mesiobuccal cusp

Answer

Distobuccal cusp

Answer

Distolingual cusp

Question 2

The oblique ridge on the maxillary first molar connects which two cusps?

Accepted Answer

Distobuccal and mesiolingual

Answer

Mesiobuccal and distolingual

Answer

Mesiobuccal and mesiolingual

Answer

Distobuccal and distolingual

Question 3

In Angle's Class II malocclusion, how is the mandibular first molar positioned relative to the maxillary first molar?

Accepted Answer

Distal to its normal position

Answer

Mesial to its normal position

Answer

In normal occlusion

Answer

Crossbite relationship

Question 4

Which nerve supplies sensory innervation to the mandibular anterior teeth?

Accepted Answer

Incisive nerve

Answer

Inferior alveolar nerve

Answer

Lingual nerve

Answer

Mental nerve

Question 5

The cementoenamel junction (CEJ) is significant in periodontics because it marks:

Accepted Answer

The division between enamel and cementum

Answer

The boundary of the pulp chamber

Answer

The location of the alveolar crest

Answer

The attachment of the periodontal ligament to enamel

Question 6

Which movement describes the mandible sliding laterally while remaining in contact with the maxillary teeth?

Accepted Answer

Lateral excursion

Answer

Protrusion

Answer

Retrusion

Answer

Centric relation

Question 7

The anterior teeth are best suited for cutting food primarily due to their:

Accepted Answer

Single root and incisal edge design

Answer

Multiple roots and broad crown

Answer

Large pulp chamber

Answer

Prominent cingulum