operculectomy (ōpur´kūlek´təmē),

n the surgical removal of the operculum, a flap of tissue over a partially erupted tooth, particularly a third molar, in pericoronitis. See also operculum and pericoronitis.
References in periodicals archive ?
The following applications have been described: exposure of teeth to aid eruption, gingival removal to expose areas for restoration, abnormal fraenal attachments, abnormal gingival architecture associated with tooth movement, operculectomy, fibroma removal, gingival hyperplasia resulting from drugs, cosmetic gingival contouring, aphthous ulcers and herpes labialis lesions [Parkins, 2000].