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.Management Sciences
A. Seventh and eight years
B. Seventh and ninth years
C. Seventh and tenth years
D. Seventh and Twelfth years
Related Mcqs:
- A six- year molar begins to calcify at______________?
- A. Six months IU B. At birth C. 1 years after birth D. 3 years age...
- Growth of all permanent teeth except last molars is completed by___________?
- A. 6 years B. 8 years C. 12 years D. 17 years...
- The root completion of permanent teeth is achieved after __________ years o eruption?
- A. 1-1½ B. 2-3 C. 3-4 D. 4-5...
- First permanent molars begin to calcify at ______________?
- A. 6 months of intra utrerine life B. At birth C. Before decidous incisors D. About 1 year after birth...
- The decidous canine emerges______________?
- A. Before lateral incisor B. Before first molar C. After first molar D. After second molar...
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