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the interface between the junctional epithelium and the surface of the teeth.
The interface and zone of attachment between the gingiva and enamel or cementum of the tooth. It holds in place the junctional or attachment epithelium.
See also: junction
den·to·gin·gi·val junc·tion(dentō-jinji-văl jŭngkshŭn)
Area of epithelial attachment between the gingiva and the enamel or cementum of the tooth.