RESULTS	Post surgical measurements revealed a significantly greater reduction in pocket depth ( differences of 1.89 + / - 0.31 mm on buccal 0.88 + / - 0.27 mm on lingual measurements ) and more gain in clinical attachment ( differences of 1.51 + / - 0.33 mm on buccal and 1.50 + / - 0.35 mm on lingual measurements ) in experimental sites .\