The mandible should be in ( ) during open-bite.
A. The intercuspal position
B. The mandibular postural position.
C. The centric relation position
D. The muscular contact position
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As for the normal signs of the intercuspal occlusion, which one is NOT correct? ( )
A. Each tooth contacts two teeth on the opposite jaw.
B. There is normal canine relationship.
C. The first molars are in neutral relationship.
D. There is normal overjet and overbite of anterior and posterior teeth.
E. The median lines of the upper and lower dentition are in a line and facing the maxillary labial frenum.
The ‘tooth position’ refers to ()
A. The intercuspal position
B. The retruded contact position
C. The mandibular postural position
D. The muscular contact position
Which one is better for the lateral occlusal movement of a natural dentition? ()
A. Both the working and non-working sides are in contact.
B. The working side is in contact while the non-working side is not.
C. Only the canines contact on the working side.
D. The non-working side is in contact while the working side is not.
From the front to the back, the inferior wall of maxillary sinus covers the root apex of ()
A. (4-8)
B. (5-8)
C. (4-7)
D. (5-7)
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