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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As for ICO, which one is wrong? ()
A. The condyle is located at the rear of the mandibular fossa.
B. It’s tooth-to-tooth relationship.
C. It is constantly changing throughout the lifetime.
D. It is unrelated to the ligaments.
The long centric is ()
A. the distance between the retruded contact position and the intercuspal position
B. the distance between the mandibular postural position and intercuspal position
C. between 1 to 3 mm from the mandibular postural position to the intercuspal position without deviation.
D. from the retruded contact position to the intercuspal position without deviation
When the mandible is in ICO, in which occlusal relationship is the upper dental arch closer to the lingual side than the lower dental arch? ()
A. The open bite
B. The cross bite
C. The neutral occlusion
D. The edge-to-edge bite
When the mandible is in ICO, which teeth opposite to the mandibular canines? ()
A. (3)
B. (2)
C. (3) and (4)
D. (2) and (3)
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