The depressions of the crown does NOT include()
A. accessory grooves
B. ridges
C. fissures
D. pits
E. developmental grooves
查看答案
The teeth that often show abnormal central cusp are()
A. the maxillary first premolars
B. the maxillary second premolars
C. the mandibular first premolars
D. the mandibular second premolars
E. the first molars
Observed from the outside, all of the following parts are components of the tooth except()
A. the crown
B. the root
C. the neck
D. the apical foramen
E. None of the above is correct.
The teeth with a cusp tip offset towards the distal are()
A. the maxillary canines
B. the mandibular canines
C. the maxillary deciduous canines
D. the mandibular deciduous canines
E. None of the above is correct.
Which of the following is not one of the blood supplies of the mandible?()
A. the inferior alveolar artery
B. the deep lingual artery
C. the medial pterygoid artery
D. the masseter artery
E. the temporal artery
微信支付 
支付宝支付