Duration of drilling with type of burr | DPOAE (REFER/PASS) | n (%) | Mean drill time (min) | p value |
Total | PASS REFER | 16 (28%) 42 (72%) | 46.70 57.14 | 0.194 Not significant |
Diamond | PASS REFER | 16 (28%) 42 (72%) | 16.84 19.79 | 0.243 Not significant |
Cutting | PASS REFER | 16 (28%) 42 (72%) | 29.87 37.35 | 0.205 Not significant |