Cyprian Barczynski
Cyprian Barczynski voted up Edward Anderson's answer

Tooth development or odontogenesis is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth. For human teeth to have a healthy oral environment, all parts of the tooth must develop during appropriate stages of fetal development. Primary (baby) teeth start to form between the sixth and eighth week … Read more

Cyprian Barczynski
Cyprian Barczynski voted up Steve Theunissen's answer
Tooth development can be divided into three phases: (1) The period during which the crown of the tooth is formed from tissue cells and calcifies or hardens in the jawbone; (2) the period of eruption, when the tooth first becomes visible and root development is in progress; and (3) the maintenance period, during which time … Read more