Komunikasi oroantral: etiologi dan penatalaksanaannya Oroantral communication: the etiology and management

Oroantral communication (OAC)may occur when upper posterior teeth are removed, and occasionally, as a result
of trauma. This sinus perforation formed particularly when a maxillary molar with widely divergent roots adjacent
to edentulous spaces is extracted. In this instance the sinus is likely to be pneumatized into the edentulous alveolar
processus surrounding the tooth, which weakens the entire alveolus and brings the tooth apices into a closer
relationship with the sinus cavity. In order to avoid OAC, preoperative radiograph is needed. When perforation, if
sinus opening is small and disease free, effort should be made to establish blood clot in the extraction site and
preserve it in place. Soft tissue flap elevation is not required. Sutures are placed to reposition the soft tissue, and a
gauze pack is placed over the surgical site for 1-2 hours. Majority of patients treated in this manner showed
uneventful healing when no evidence of preexisting sinus disease.