The aim of this study is to evaluate both clinically and radiologically the efficacy of using the pedicled buccal periosteal flap for closure of oroantral fistula without affecting the original intraoral anatomy.
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visual analogue scale
Timeframe: 1 month
comparison of vestibular depth preoperatively and postoperatively
Timeframe: 1 month
inflammation score scale
Timeframe: 1 month