题目内容

Which statement about lobe is correct?()

A. It is the calcification center for tooth development.
B. All teeth are developed from the same lobe.
C. All teeth are developed from two lobes.
D. The shallow groove between the two lobes is called the accessory groove.
E. None of the above is correct.

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The depressions of the crown does NOT include()

A. accessory grooves
B. ridges
C. fissures
D. pits
E. developmental grooves

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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

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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.

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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.

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Which statement about lobe is correct?()

A. It is the calcification center for tooth development. B. All teeth are developed from the same lobe. C. All teeth are developed from two lobes. D. The shallow groove between the two lobes is called the accessory groove. E. None of the above is correct.

The depressions of the crown does NOT include()

The teeth that often show abnormal central cusp are()

Observed from the outside, all of the following parts are components of the tooth except()

The teeth with a cusp tip offset towards the distal are()

A. It is the calcification center for tooth development.
B. All teeth are developed from the same lobe.
C. All teeth are developed from two lobes.
D. The shallow groove between the two lobes is called the accessory groove.
E. None of the above is correct.