margin

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margin

 [mahr´jin]
an edge or border.
gingival margin gum margin.
gum margin the border of the gingiva surrounding, but unattached to, the substance of the teeth.
margin of safety a calculation that takes the highest animal no observed adverse effect level and estimates a maximum safe level of exposure for humans. It is now generally superseded by the reference dose.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mar·gin

(mar'jin), [TA]
A boundary, edge, or border, as of a surface or structure.
See also: border, edge.
Synonym(s): margo [TA]
[L. margo, border, edge]
Farlex Partner Medical Dictionary © Farlex 2012

margin

Managed care
A popular “short form” for margin of profitability, the annual percentage of profits generated from a hospital, regardless of whether it is for-profit or nonprofit.
 
Medspeak
The edge, limit or extreme of a thing.
 
Pathology
The surgical limit of a resected tissue.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

mar·gin

(mahr'jin) [TA]
A boundary, edge, or border, as of a surface or structure.
See also: border
Synonym(s): margo [TA] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

mar·gin

(mahr'jin) [TA]
A boundary, edge, or border, as of a surface or structure.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Plaque also becomes mineralised to form tartar, which pushes back the gum margins that are essential for protection of the tooth roots.
Your front teeth are beginning to feel loose, your gums bleed on brushing, some of the gum margins are red and puffy.
Receding gums, usually the result of poor oral hygiene with pockets of infection around the gum margins causing them to swell and scar, exposing the sensitive part of the tooth.