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Table 6 Comparison of trismus variable at different times of piezoelectric surgery

From: Use of piezoelectric surgery and Er:YAG laser:which one is more effective during impacted third molar surgery?

Paired t test (P value) Piezosurgery (t2) Piezosurgery (t1) Variables
S.D Mean S.D Mean
0.0001 0.635 4.367 0.599 4.693 Trismus before surgery (t1) and after surgery (t2)
0.0001 0.685 3.59 0.599 4.693 Trismus before surgery (t1) and day 2 after surgery (t2)
0.016 0.772 4.38 0.599 4.693 Trismus before surgery (t1) and day 7 after surgery (t2)
0.0001 0.685 3.59 0.635 4.367 Trismus after surgery (t1) and day 2 after surgery (t2)
0.898 0.772 4.38 0.635 4.367 Trismus after surgery (t1) and day 7 after surgery (t2)
0.0001 0.772 4.38 0.685 3.59 Trismus day 2 after surgery (t1) and day 7 after surgery (t2)