Recommended Drilling Parameters of Tungsten Carbide Round Drills for the Most Optimal Bone Removals in Oral Surgery
Table 1
Temperature increases at different drilling parameters [°C (standard deviations)].
Axial load
Revolution speed
4.000 rpm
8.000 rpm
16.000 rpm
40.000 rpm
P value
New drill
3 N
0.39(0.30)
0.44(0.16)
0.45(0.14)
0.64(0.28)
0.168
10 N
0.74(0.18)
0.83(0.21)
1.14(0.16)
2.36(0.30)
<0.001
25 N
4.10(0.82)
3.99(1.13)
4.03(1.09)
4.64(0.53)
0.473
P value
<0.001
<0.001
<0.001
<0.001
Worn drill
3 N
0.45(0.16)
0.66(0.41)
0.83(0.17)
1.69(0.94)
<0.001
10 N
1.03(0.17)
1.16(0.16)
1.24(0.12)
3.89(0.42)
<0.001
25 N
4.74(1.13)
4.08(0.54)
5.26(0.72)
6.89(1.16)
<0.001
P value
<0.001
<0.001
<0.001
<0.001
Abbreviations: rpm, revolutions per minute; N, newton. Different small letters indicate statistical differences per lines (a, b, c). Tukey’s HSD post hoc tests. Different capitals indicate statistical differences per columns (A, B, C). Tukey’s HSD post hoc tests.
