题目内容

In normal overjet, the distance between the incisal edge of the maxillary incisors and the labial surfaces of the mandibular incisors is ()

A. Over 7 mm
B. 5-7 mm
C. 3-5 mm
D. Less than 3 mm

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In normal overbite, the incisal edge of the mandibular incisor is () of the lingual surface of the maxillary incisor.

A. within the incisal third
B. within the middle third
C. at the cervical third
D. beyond the cervical third

Which mandibular position is stable and repeatable? ()

A. The intercuspal position
B. The retruded contact position
C. The mandibular postural position
D. Non-centric relation position

Which mandibular position has no articulation relation? ()

A. The intercuspal position
B. The mandibular postural position.
C. The retruded contact position of mandible
D. The muscular contact position

When the mandible is in intercuspal position, which teeth have no intercuspal articulation relation? ()

A. The mandibular third molars
B. The maxillary third molars
C. The mandibular central incisors
D. B and C

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