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.Management Sciences
Category: Oral Anatomy
The primary centre of formation of each lobe is present in_____________?
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A. Apex of the root
B. Tip of the cusp
C. Centre of the crown
D. Centre of the tooth
The number of line angles a permanent maxillary central incisor is_____________?
A. Two
B. Four
C. Six
D. Eight
Which of the following has a nonfunctional cusp ?
A. Mandibular canine
B. Maxillary second premolar
C. Mandibular first premolar
D. None of the above
Which of the portions of the intra articular disc is the thinnest ?
A. Anterior
B. Intermediate
C. Posterior
D. retrodiscal
Primary dentition period is______________?
A. From birth to 11 years
B. From 6 months to 11 years
C. From 6 months to 6 years
D. From 6 years to 11 years
How many roots does a primary maxillary first molar have ___________?
A. One
B. Two
C. Three
D. Four
Oblique ridge in maxillary first molar joins which of the following cusps____________________?
A. DL and DB
B. ML and MB
C. ML and DB
D. DL and MB
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?
A. Cusps
B. Roots
C. Lingual grooves
D. Marginal ridges
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