buttonhole approach

buttonhole approach,

n a method of surgical treatment of a periodontal abscess in which, after an incision is made in the fluctuant abscess, an additional attempt is made to curet the area adjoining the root and the fundus of the abscess through the destroyed portion of the alveolar plate or bone.
References in periodicals archive ?
The OneSite employs a revolutionary dual lumen needle design with a buttonhole approach to cannulation.