Which tooth has a thicker labio-buccal lamella than its lingual lamella? ()
A. the maxillary first premolar
B. the maxillary first molar
C. the mandibular first molar
D. the mandibular second premolar
E. the mandibular canine
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Which tooth root apex nearest to the floor of the maxillary sinus?()
A. the maxillary first molar
B. the maxillary second molar
C. the maxillary third molar
D. the maxillary second premolar
E. the maxillary second premolar to the maxillary third molar
When performing the intra-oral blocking anesthesia for the inferior alveolar nerve, in order to avoid the mandibular lingula, the needle should be placed ()
A. on the surface of mandibular foramen
B. about 0.5 cm above the mandibular foramen
C. about 1.0 cm above the mandibular foramen
D. about 1.5 cm above the mandibular foramen
E. none of the above
Which nerve and blood vessel go through the greater palatine foramen?()
A. The anterior palatine nerve and the greater palatine vessel
B. The nasopalatine nerves and vessels
C. The descending palatine artery and palatine nerves
D. The middle and posterior palatine nerves and the lesser palatine vessels
E. None of the above
The horizontal axis of the condyle on both sides and the mandibular ramus ()
A. is parallel
B. interacts to form an acute angle
C. interacts to form an obtuse angle
D. interacts to form a right angle
E. none of the above
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