margin /mar·gin/ (mahr´jin) an edge or border.mar´ginal
margin,
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.
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´f
s),
n the point of contact between a tooth surface and the face of an associated cavity.
s), 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.
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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