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dental ledge. 1. a band of ectodermal cells growing from the epithelium of the embryonic jaws into the underlying mesenchyme; local buds from the ledge give rise to the primordia of the enamel organs of the teeth.
Dental bonding is a procedure in which your dentist applies a tooth-colored resin to the tooth surface, which hardens with a special light that bonds the material to the tooth. Bonding can fill gaps between teeth, repair small chips, and smooth out rough edges.lthough enamel is a hard protector of teeth, it can chip and crack. Enamel also insulates the teeth from potentially painful temperatures and chemicals. Unlike a broken bone that can be repaired by the body, once a tooth chips or breaks, the damage is done forever.