dental ledge


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den·tal ledge

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 lamina

A flat band of primitive epithelial cells arising from the primary dental band of the mandibular arch and opposed surface of the maxillary process. The tooth buds grow at specific zones along the dental lamina, giving rise to primary and secondary dentition.

den·tal ledge

(dentăl lej)
Band of ectodermal cells growing from epithelium of the embryonic jaws into underlying mesenchyme; local buds from the ledge give rise to the primordia of the enamel organs of the teeth.
Synonym(s): dental lamina, dental shelf, dentogingival lamina, enamel ledge, primary dental lamina.