recession

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recession

 [re-sesh´un]
the drawing away of a tissue or part from its normal position.
gingival recession the drawing back of the gingivae from the necks of the teeth, with exposure of root surfaces.

re·ces·sion

(rē-sesh'ŭn),
A withdrawal or retreating.
See also: retraction.
[L. recessio (see recessus)]

re·ces·sion

(rĕ-sesh'ŭn)
1. A withdrawal or retreating.
See also: retraction
2. Surgical operation in which an extaocular muscle is detached from the globe and reattached posteriorly.
3. Loss of gingiva on a tooth apically; measurement is made using a probe; findings are recorded as attachment loss.

recession

Surgical retroplacement of a part, especially the insertion of a muscle so as to weaken its action.

recession 

A surgical procedure used in strabismus in which an extraocular muscle is removed from its insertion and repositioned elsewhere on the globe, posteriorly to weaken it and anteriorly to strengthen it (called advancement procedure). See resection; strabismus surgery.

gin·gi·val re·ces·sion

(jinji-văl rĕ-seshŭn)
Apical migration of the gingiva along the tooth surface, with exposure of the tooth surface.
Synonym(s): gingival atrophy, gingival resorption.