题目内容

In general, TMJ bears much less load during chewing food than during maximum clenching. ()

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The TMJ is also a load-bearing joint, mainly taking the load caused by the contraction of maxillary elevators during occlusion. ()

During the anesthesia of the intraoral inferior alveolar nerve block, the tip of the needle should be at which in order to avoid the obstruction of the mandibular lingula and close to the inferior alveolar nerve

A. mandibular foramen plane
B. about 0.5cm above the mandibular foramen
C. about 1.0cm above the mandibular foramen
D. about 1.5cm above the mandibular foramen
E. None of the above is correct

Which of the following cusps is the closest to the floor of the maxillary sinus ()

A. Maxillary first molar
B. Maxillary second molar
C. Maxillary third molar
D. Maxillary second premolar
E. From maxillary second premolar to maxillary third molar

The important landmark of the posterior superior alveolar nerve block anesthesia is ()

A. maxillary tubercle
B. alveolar foramen
C. zygomatic alveolar ridge
D. canine fossa
E. mental spine

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