Table 1: The mean temperature (°C) of drill hole and the value for every group.

Drilling parameters Conventional drillingVibrational drilling
= 100 μm 
= 10 Hz
= 200 μm 
= 10 Hz
= 300 μm 
= 15 Hz
= 500 μm 
= 15 Hz
= 500 μm 
= 20 Hz

Mean temperature of drill hole ± SD55.41 ± 4.6042.87 ± 2.0040.33 ± 2.6039.47 ± 1.6937.88 ± 1.6736.38 ± 1.32
value0.00870.0001<0.0001<0.0001<0.0001

SD: standard deviation.