“…Several techniques have been described to circumvent these problems; Honnebier et al [9] divided the methods currently employed for fistula repair into two groups: those that use mucoperiosteal flaps in one form or another, e.g., hinge flaps, and those that make use of additional tissue to close the defect. Sources of additional tissue are usually in the form of pedicled flaps from elsewhere in the mouth, e.g., buccal mucosa [13] or tongue flaps [6,14].…”