junctional epithelium


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

junc·tion·al ep·i·the·li·um

a wedge-shaped collar of epithelial cells attached to the tooth surface and to the gingival connective tissue; its coronal aspect forms the base of the gingival crevice.

junctional epithelium

Etymology: L, jungere, to join; Gk, epi + thele, nipple
an area of epithelial soft tissue surrounding the abutment post of a tooth. Also called attached epithelial cuff, epithelial cuff, gingival cuff.

junc·tion·al ep·i·the·li·um

(jŭngk'shŭn-ăl ep'i-thē'lē-ŭm)
Surface located at the base of the gingival sulcus. It is a cufflike nonkeratinized band of squamous epithelium encircling and affixing itself to the dental surface.

junc·tion·al ep·i·the·li·um

(jŭngk'shŭn-ăl ep'i-thē'lē-ŭm)
Wedge-shaped collar of epithelial cells attached to tooth surface and to gingival connective tissue; its coronal aspect forms base of the gingival crevice.

junctional epithelium (JE)

(ep´əthē´lēəm),
n a band of epithelial cells that surrounds the tooth and creates a seal at the gingival sulcus to hold it firmly in place.
References in periodicals archive ?
The depth of the gingival sulcus is 2-3 mm with a long junctional epithelium.
Ultrastructure of the junctional epithelium of germfree rat gingiva.
Since the toxic effects of pollutants are often correlated with their concentration in individual tissues and organs, the purpose of the present investigation was to study the effects of cadmium on the maxillary molar junctional epithelium during lactation.
The following karyometric parameters of the different layers of the gingival and junctional epithelium were estimated according described by Sala et al.
11) It is conceivable that as the tooth continues to erupt, the distance between the CEJ and the junctional epithelium (JE) would increase, without implying that the JE has migrated apically.
Thus, the junctional epithelium is protected by [alpha]-defensins and LL-37 released from neutrophils, while the differentiated, stratified epithelia are protected by [beta]-defensins.
Millennium Dental Technologies is the first and only company to receive exclusive clearance for a complete periodontal disease treatment protocol, the Laser Assisted New Attachment Procedure (LANAP), for cementum-mediated new periodontal ligament attachment to the root surface in the absence of long junctional epithelium.
Nevins & Skurow (1984) stated that when subgingival margins are indicated, the restorative dentist must not disrupt the junctional epithelium or connective tissue apparatus during preparation and taking.