Correct answer
D. 9 months after birth
Explanation
The correct answer is 9 months after birth.
Which is the predominant factor in the formation of the alveolar process________?
Which anterior teeth have both mesial and distal contact areas of at the incisal third________?
On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects?
Mandibular second premolar 3- cusp type id developed from________?
The geometric outline of the buccal surface of posterior teeth are________?
The tooth bud for the third molar is initiated at about the age of________?