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gingival margin

   Also found in: Dictionary/thesaurus, Legal, Financial, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
margin /mar·gin/ (mahr´jin) an edge or border.mar´ginal
dentate margin  pectinate line.
gingival margin  the border of the gingivia surrounding, but unattached to, the substance of the teeth.

gingival margin
n.
The top edge or crest of the gingiva surrounding a tooth.

margin,
n 1. the extreme edge of something.
n 2. the boundary of a surface.
n 3. in a cavity preparation for a restoration, the margin is the outside limit of the surgical preparation. See also cavosurface angle.
margin, bone,
n the peripheral edge of a bone.
(kā´vōsur´fs),
n the point of contact between a tooth surface and the face of an associated cavity.
margin, enamel,
n the part of the margin of a preparation that is laid in enamel.
margin, free gingival,
n See margin, gingival.
margin, gingival,
n 1. the cavosurface angle of the wall of a cavity preparation closest to the apex of the root.
n 2. the crest or tip of the gingival tissues that forms the wall ofthe gingival sulcus. Also called
free gingival margin or
gingival crest.
margin of safety,
n the margin between lethal and toxic doses.
margin, thickened bone,


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? Mentioned in ? References in periodicals archive
 
The main agents causing gingival recession that have been described in the literature are dental plaque, (1) destructive periodontal disease, (2,3) mechanical trauma, (4,5) areas with absence or a narrow zone (width) of attached gingiva, (6) muscular inserts near the gingival margin, (7) reduced thickness of the alveolar bone in the buccolingual side, (8,9) root prominence, (10) irregular tooth alignment in the dental arch, (11) margins of gingival restorations (12,13) and viruses.
As a result, users have a better chance of removing bacterial plaque adjacent to and beneath the gingival margin as the bristles are positioned partly on the teeth and gums at a 45-degree angle.
Bleeding at the gingival margin or sulcus is often the first indicator of gingivitis.
 
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