Treatment results after 6 months, 1 year, 2 years Evaluation Aft er 6 months Aft er 1 year Aft er 2 years SL% SL% SL% Successful 47 85, 5 48 87, 3 49 89, 1 Doubt 8 15, 5 7 12, 7 6 10, 9 Failure 0 0 0 0 0 0 Total 55 100 55 100 55 100 The success rate after treatment 6 months, 1 year, 2 years is 85.5%; 87.3% and 89.1%, the rest are cases of doubtful results (15.5%; 12.7%; 10.9% respect ively). No teeth have failed treatment results.