are 20 primary or deciduous teeth. The first teeth to erupt through
the gums at 5-8 months are the lower central incisors. The last to erupt
are the second upper molars at about age 2 years.
ages 6 and 12 primary teeth are lost and replaced by permanent teeth.
1st molars (6th- year molars) have fully erupted by age 6-7 years.
The lower central incisors have nearly fully erupted and the upper
central incisors are moving down into the empty sockets.
- By age
8 years all permanent incisors have erupted.
- 20 permanent
teeth have replaced 20 primary teeth, and the 12-th year molars (1st
and 2nd molars) have erupted. The canines, 2nd premolars and 2nd molars
are not fully erupted. By age 12, 28 permanent teeth are in place.
The last 4 teeth, the 3rd molars (Wisdom teeth) may erupt at any time
after this, or not at all.
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ATLAS OF ANATOMY" Eighth Edition- James E. Anderson,M.D. 1983
Corner INternet Group, Inc. 1997-2004