Depending on the type of recession, it is possible to perform surgical procedures to manipulate the gingival margin coronally and obtain a better positioning of the gingival zenith. If the correct contour is not established, recurrence may occur Figs 33A—J. J Periodontol Dec It should be parallel to the line of the labial commissures, the incisal plane, and the gingival line. Severe gingival growth causes esthetic and functional impairment to the point of causing diastema, interfering with speech, chewing, occlusion, dental positioning, and facial appearance
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