The tooth bud for the third molar is initiated at about the age of________?

In anxious parent calls you that her 5- month -old child has still no teeth in his mouth then you should________?

When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth?

Ratio of mesiodistal width to height of crown of maxillary canine is________?

Largest embrasure lies between________?

Which anterior teeth have both mesial and distal contact areas of at the incisal third________?