Development of the Teeth

In describing the development of the teeth, the mode of formation of the deciduous teeth must first be considered, and then that of the permanent series.	50
FIG. 1009– Sagittal section through the first lower deciduous molar of a human embryo 30 mm. long. (Röse.) X 100. L.E.L. Labiodental lamina, here separated from the dental lamina. Z.L. Placed over the shallow dental furrow, points to the dental lamina, which is spread out below to form the enamel germ of the future tooth. P.p. Bicuspidate papilla, capped by the enamel germ. Z.S. Condensed tissue forming dental sac. M.E. Mouth epithelium (