RESULTS	In groups 1 , 2 , and 3 respectively : 11 , 24 and 29 patients were recruited ; four , 12 , and 10 mucosal margins remained unsutured ; and the mean length of unsutured mucosal margins was 16.36 mm ( SD = 2.8 ) , 70.66 mm ( SD = 9.3 ) , and 62.00 mm ( SD = 6.0 ) .\