From: Application of an ultrasonic bone knife combined with a dental electric motor in the extraction of mandibular middle and low impacted teeth
Group
Number of cases
1d after surgery
2d after surgery
3d after surgery
EAG
84
3.89 ± 0.96
3.05 ± 1.06
2.20 ± 0.89
EBG
53
4.19 ± 1.29
3.62 ± 1.02
2.62 ± 0.90
CG
63
4.92 ± 1.05
4.14 ± 1.22
3.17 ± 0.98
χ [2] /F
16.58
17.90
20.06
P
0.000