Search
.Management Sciences
Category: Calcification and Eruption of Teeth
Which of the following is dental formula of a 9 years old child_____________?
0
A. 6 EDC21/ 6EDC21
B. 6EDCBA/ 6EDC21
C. EDC21/EDC21
D. 76EDC21/ 7EDC21
Which of these teeth are highly sturdy and usually the last ones to be lost ?
A. First molar
B. Central incisors
C. Canines
D. Premolars
The teeth that are retained for the longest period of time are__________________?
A. Maxillary incisors
B. Maxillary canines
C. Mandibular incisors
D. Mandibular canines
E. B & D
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
Once the enamel formation is complete, the tooth will erupt after approximately______________?
A. One year
B. Two years
C. Three years
D. Four years
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
The eruption are of maxillary permanent lateral incisor is_____________?
A. 8-9 years
B. 6-7 years
C. 10-11 years
D. 8-9 months
Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?
A. Superior and facial
B. Inferior and facial
C. Superior and lingual
D. Inferior and lingual
The correct dentition in a 9- years old child is_____________?
A. 12 CDE6
B. 12C456
C. 123DE6
D. 123456
The time taken for primary tooth root completion after eruption_____________?
A. 3 years
B. 1 years
C. 2 years
D. 1 month
Recent Comments