| 释义 |
DictionarySeemarginfree gingival margin
margin (mar'jin) [L. margo, border] 1. A border or boundary such as the edge of a structure, or of a pathological specimen removed from the body surgically. See: margo2. In dentistry, the apical extent or boundary of enamel adjacent to the cementum of the tooth root; the junction of a restoration with the cavosurface angle of a prepared cavity in enamel.costal marginThe lower (abdominal) border of the front of the rib cage formed by the costal cartilages of ribs 7 to 10.free gingival marginGumline.gingival marginGumline.margin of resectionSurgical margin.surgical marginThe border of a tissue specimen that has been removed surgically from the body. It is often marked with an indelible dye to make it easily visible to the pathologist. Patient careWhen obtaining biopsy specimens from a patient, the practitioner's goal is to obtain a tissue specimen that completely surrounds the lesion, so that the margins are free, i.e. not visibly penetrated by tumor cells. Synonym: margin of resectionFinancialSeeMargin |