A. 2
B. 3
C. 4
D. 5
Related Mcqs:
- While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?
A. 3-6 years
B. 7-10 years
C. 11-14 years
D. 15- 18 years - Maxillary first molar has how many roots ?
A. 1 facial and 2 lingual
B. 1 lingual and 2 facial
C. 1 mesial and 2 buccal
D. 1 mesial and 1 distal - How many roots does a primary maxillary first molar have ___________?
A. One
B. Two
C. Three
D. Four - In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?
A. Distobuccal groove
B. Mesial surface
C. Mesiobuccal surface
D. Transverse groove - Eruption date of decidous maxillary 2nd molar is ______________?
A. 20 months
B. 18 months
C. 24 months
D. 28 months - 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 - Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?
A. Mesial surface
B. Palatal surface
C. Buccal surface
D. Mesial half of the palatal surface - Acute angled cusps in permanent maxillary first molar are_____________?
A. DB and ML
B. MB and DL
C. MB and DB
D. ML and DL - The shortest root on a maxillary first molar is_____________?
A. Mesio- buccal
B. Disto – buccal
C. Lingual
D. All are of equal length - In maxillary 1st permanent molar, the 2 obtuse angles are________________?
A. Mesiolingual and mesiofacial
B. Mesiofacial and distolingual
C. Distofacial and mesiolingual
D. Distofacial and mesiofacial
