A. 20 months
B. 18 months
C. 24 months
D. 28 months
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 - 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 - Number of roots in maxillary 2nd molar is_______________?
A. 2
B. 3
C. 4
D. 5 - With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?
A. Less
B. Greater
C. The same
D. Not related - The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________?
A. Mesiolingual
B. Distolingual
C. Mesiobuccal
D. Distobuccal - 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 - 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 - The most common sequence of eruption of the permanent maxillary teeth in children is_______________?
A. 1-6-2-3-4-7-5-8
B. 2-3-1-6-7-5-4-8
C. 6-1-2-4-3-5-7-8
D. 6-1-2-3-4-5-7-8 - The eruption age of maxillary permanent lateral incisor is________________?
A. 8-9 years
B. 6-7 years
C. 10-11 years
D. 8-9 months - Following eruption , the root of the maxillary central incisor completes development at what approximate age ?
A. 7 years
B. 8 years
C. 9 years
D. 10 years
