The permanent teeth that erupt first in the mouth and do not replace any deciduous teeth are()
A. the central incisors
B. the lateral incisors
C. the canines
D. the first premolars
E. the first molars
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The elevations of the crown includes()
A. the deformed lingual fossa
B. the inclined planes
C. the developmental groove
D. the ridges
E. the fissure
The crown of which is often used to find the parotid duct opening()
A. the maxillary first molar
B. the mandibular first molar
C. the maxillary second molar
D. the mandibular second molar
E. the maxillary third molar
The tooth with the root that is approximately twice as long as the crown and an oval-triangle section of the root neck is ()
A. the maxillary central incisor
B. the mandibular central incisor
C. the maxillary canine
D. the mandibular canine
E. the maxillary first premolar
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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