Objective: The objective of this study is to investigate the influence of flap design on visibility and accessibility during removal of impacted third molar and hematoma formation, wound gaping and healing of flap post-operatively.
Study Design: The randomized prospective comparative study included 30 patients with impacted mandibular third molars. Two flap designs namely envelope flap (Koener's incision) and 'triangular flap' (Ward's incision) were used.