Mesial contact area of the permanent canine is at the ?
A. Junction of the incisal and middle thirds
B. Junction of the middle and cedrvical thirds
C. Middle third
D. None of them
ORAL ANATOMY
Oral anatomy MCQs with answers for medical students. Anatomy of the oral cavity for test preparation in medical exams.
Which of the following do not contribute to arch stability?
A. Embrasures
B. Periodontal fibers
C. Cusps
D. Root forms
Which of the following are the unctions of contact areas ?
A. Stabilization of dental arches
B. Distribution of occlusal stresses
C. Protection of periodontium
D. All of them
Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in ?
A. Mandibular first molar
B. Maxillary second premolar
C. Mandibular second premolar
D. Maxillary first molar
Protective crests of contour on buccal and lingual surfaces are found _____ ?
A. In the cervical third of the buccal
B. In the middle third of the lingual
C. Nearest the occlusal third of the lingual
D. a and b
Interdental papilla is located in the ____ ?
A. Cervical embrasure
B. Occlusal embrasure
C. Facial embrasure
D. Lingual embrasure
Which teeth show less curvature on the crown above the cervical line than any other teeth ?
A. Mandibular anteriors
B. Maxillary canine
C. Maxillary anterior
D. Mandibular canine
The distance from the CEJ to the alveolar crest normally is?
A. 2 – 2.3 mm
B. 3 mm
C. 1 – 1.5 mm
D. 2 mm
All are true about calciotraumatic line, except ?
A. It remains after caries is removed
B. Because of odontoblastic migration from cell rich zone
C. Due to death of odontoblastic layer
D. Due to caries
The faciolingual angulation of the upper central incisor is approximately ?
A. 33°
B. 38°
C. 28°
D. 20°