Development of Teeth
Development of Teeth
Development of Teeth
INTRODUCTION:
• Tooth development (ODONTOGENESIS) is
the complex process by which teeth form
from the embryonic cells, grow, and erupt
into the oral cavity.
• For human teeth to have healthy oral
environment, enamel, dentin, cementum &
the periodontium all must develop during
appropriate stages of fetal development.
• Entire primary dentition is initiated
between 6th and 7th weeks of embryonic
development.
• Successional permanent teeth initiated
between 20th week in utero and 10th
month after birth.
• Permanent molars between 20th week in
utero (first molar) and 5th year of life
(third molar)
INITIATION OF TOOTH DEVELOPMENT
The primitive oral cavity is called stomodeum – lined
by stratified squamous epithelium - oral ectoderm.