A. 3 years
B. 1 years
C. 2 years
D. 1 month
Related Mcqs:
- Cementum that forms in conjunction with root end formation and eruption_____________?
A. Cellular cementum
B. Acellular cementum
C. Both of the above
D. None of the above - A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?
A. Dilaceration
B. Fusion
C. Gemination
D. Concrescence - The last primary tooth to be replaced by a permanent tooth is usually the_____________?
A. Maxillary second molar
B. Mandibular second molar
C. Maxillary canine
D. Mandibular canine - As compared to permanent tooth , root formation in primary tooth______________?
A. Take less time
B. Take more time
C. Same time
D. Is complete when tooth erupts in oral cavity - The root completion of permanent teeth is achieved after __________ years o eruption?
A. 1-1½
B. 2-3
C. 3-4
D. 4-5 - Root completion of the mandibular first molar takes place by the age_______________?
A. 7-8 years
B. 8-9 years
C. 9-10 years
D. 10 – 11 years - Maxillary primary cuspid enamel completion takes place at______________?
A. 6 months in utero
B. 6 months after birth
C. 9 months in utero
D. 9 months after birth - A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?
A. Maxillary central incisor
B. Mandibular lateral incisor
C. Maxillary lateral incisor
D. Maxillary canine - If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?
A. Maxillary central incisor
B. Maxillary second premolar
C. Mandibular lateral incisor
D. Mandibular central incisor - The maxillary tooth exhibiting the greatest variation in root alignment is______________?
A. Central incisor
B. First premolar
C. Third molar
D. Second molar
