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Table 8 Comparison of trismus variable at different times of laser 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)

Laser (t2)

Laser (t1)

Variables

S.D

Mean

S.D

Mean

0.0001

0.739

4.22

0.599

4.69

Trismus before surgery (t1) and after surgery (t2)

0.0001

0.606

3.02

0.599

4.69

Trismus before surgery (t1) and day 2 after surgery (t2)

0.001

0.742

4.15

0.599

4.69

Trismus before surgery (t1) and day 7 after surgery (t2)

0.0001

0.606

3.02

0.739

4.22

Trismus after surgery (t1) and day 2 after surgery (t2)

0.43

0.742

4.15

0.739

4.22

Trismus after surgery (t1) and day 7 after surgery (t2)

0.0001

0.742

4.15

0.606

3.02

Trismus day 2 after surgery (t1) and day 7 after surgery (t2)