The purpose of the study was to measure and evaluate various aspects of wound healing of the lateral positioned flap on human patients. 10 adults were used who were going to have teeth extracted. Full Thickness Lateral positioned flaps were performed and block sections were taken. Samples were taken at 5 days, 5 weeks, 3 months, 5 months, 7 months. Results showed new soft tissue coverage on the recipient site. avg., 3.5 mm and new attachment avg. 3.25 mm. Changes in the soft tissue coverage during healing can result from recession, flap slippage or marginal proliferation (avg.-0.75 mm. in this study) or differentiation at the MGJ (avg., -0.25 mm). The resultant net change in gingival dimension during healing was -1 mm. Several weeks after the flap rotation the gingival margin on the donor sites reached a maximum recession avg. 2.75 m, then creeping finally to avg. 1.5 mm recession. The avg. loss of radicular bone upon reentry was 0.5 mm.
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