margin

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Related to gingival margin: gingival margin trimmer, free gingival groove

margin

1. Commerce the profit on a transaction
2. Economics the minimum return below which an enterprise becomes unprofitable

margin

[′mär·jən]
(geography)
The boundary around a body of water.
(graphic arts)
The blank area at the vertical and horizontal edges of a printed page.
(science and technology)
An outside limit.

margin

1. The exposed flat surface of the stiles and rails which form the framing around a panel.
2. The projecting surface above the stair nosings in a close string.
3. The mitered border around a hearth.
4. The exposed surface of a slate or tile which is not covered by the one above.

margin

A blank row at the extreme top and bottom or a blank column at the extreme left and right sides of a sheet of paper or on-screen window. Margins are used for design purposes as well as to accommodate printers that cannot print to the very edge of the paper. See margin guide and gutter.
References in periodicals archive ?
In addition to the loss of attached gingiva, observations in this case included ulcerations at the free gingival margin, tooth abrasion, deposits of dental plaque related to the affected area and an increase in dental hypersensitivity.
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.
To achieve laser analgaesia, the laser was positioned at a distance of 2mm from the tooth surface on the gingival margin and slowly moved for 2min duration using 60 mJ energy and 20 Hz frequency power (low energy, high frequency).