Abnormal dentition does not include()
A. the crowded dentition
B. the interdental spacing
C. the supraversion
D. the infraversion
E. the teeth outside dental arch
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The curve that connect the buccal and lingual cusps of the bilateral corresponding molars is called()
A. the sagittal curve of occlusion
B. the transverse curve of occlusion
C. the compensating curve
D. the curve of Spee
E. the occlusal plane
Which of the following descriptions about the relationships of the mesial occlusion is correct?()
A. The mesial buccal cusp of the maxillary first molar is distal to the buccal groove of the mandibular first molar.
B. The mesial buccal cusp of the maxillary first molar is opposite to the buccal groove of the mandibular first molar.
C. The mesial buccal cusp of the maxillary first molar is mesial to the buccal groove of the mandibular first molar.
D. There is mandibular retrognathia.
E. There is normal mandibular facial type.
Before the age of 4, the features of the deciduous occlusion don’t include()
A. The teeth are closely aligned
B. zero space
C. straight dental crown
D. indistinct occlusal curvature
E. temporary cross bite
Which of the followings does not belong to the one body and four processes of the maxilla?()
A. the zygomatic process
B. the temporal process
C. the frontal process
D. the alveolar process
E. the palatine process
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