Group 1 : At 1-week follow-up , 63 patients ( 35 % ) reported no pain , 113 ( 63 % ) reported moderate pain , and 4 ( 2 % ) intense pain ; 1 month after the procedure , 152 patients ( 84.4 % ) reported no pain , 25 ( 14 % ) complained of moderate pain , and 3 ( 1.6 % ) of severe pain ; 1 year after surgery , only 1 patient ( 0.5 % ) complained of constant pain .