Extraoral low-level laser therapy can decrease pain but not edema and trismus after surgical extraction of impacted mandibular third molars: a randomized, placebo-controlled clinical trial.

BMC Oral Health · 2022 · PMC9490913 · PMID 36127651

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did not reach statistical significanceno p-value reported

The current study showed that single-session irradiation of low-level laser decreased edema in the laser side; although the difference in edema between the laser and placebo sides did not reach statistical significance.

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