Duration of drilling with type of burr

TEOAE (REFER/PASS)

n (%)

Mean drill time (min)

p value

Total

No

Yes

18 (31%)

40 (69%)

47.23

57.42

0.147

Not significant

Diamond

No

Yes

18 (31%)

40 (69%)

17.18

19.78

0.243

Not significant

Cutting

No

Yes

18 (31%)

40 (69%)

30.05

37.64

0.177

Not significant