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Normal Development

Oral structures begin to form during the third and fourth weeks of embryonic development.

The teeth brgin to develop around the sicth week of fetal life.

Development continues throughout fetal life and beyond.

Teeth begin to develop around the sixth week of fetal life, with development continuing throughout fetal life and beyond.
Germ cells from the ectoderm, mesoderm, and endoderm all contribute to tooth formation.
Tooth development is divided into 4 stages: the bud, the cap, the bell, and crown.
A variety of potential insults can interfere with normal tooth development.
View the Chapter 2 Photo Gallery.