From: Use of piezoelectric surgery and Er:YAG laser:which one is more effective during impacted third molar surgery?
Paired t test (P value)
Laser
Piezosurgery
Variable
S.D
Mean
0.0001
3.081
9.93
2.165
6.60
Osteotomy duration (t2)
3.464
27
3.109
22.33
Total surgery duration (tt)
0.096
0.594
2.73
3.07
Patient’s satisfaction