The Epithelium-Tooth Interface— A Basal Lamina Rich in Laminin-5 and Lacking Other Known Laminin Isoforms

Abstract excerpt

The attachment of the marginal gingiva to the tooth surface is mediated by a thin nonkeratinized epithelium termed the junctional epithelium (JE). Ultrastructural studies have revealed that the attachment of the JE to the tooth surface occurs through hemidesmosomes (HD) and a basal lamina-like extracellular matrix termed the internal basal lamina (IBL). We have previously shown that neither type IV collagen nor...

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