Exostosis following a free gingival graft
Abstract
BACKGROUND: There have been few cases reported of exostoses following a free gingival graft. In 1980, a free gingival graft was placed on the facial level of 33-34, developing over the years a significant enlargement. In 1999, since the patient felt progressively uncomfortable with the enlarged area, its surgical reduction was proposed.
METHOD: Under local anesthesia, the hard tissue developed under the previously-grafted area, was significantly reduced. The specimen, together with a fragment of the covering soft tissue, was sent for histological analysis.
RESULTS: The surgical wound healed uneventfully, and the patient was satisfied with the results. The histology showed the presence of mature bone surrounded by a dense connective tissue, whereas the gingival tissue showed acanthosis and fibrosis.
CONCLUSION: The development of exostoses following a free gingival graft can be considered an unpredictable, albeit infrequent side-effect of this procedure. The fact that most of these exostoses appear in the cuspid-premolar area, deserves further consideration.
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