Effects of photobiomodulation on oral mucositis, oral pain, xerostomia, salivary flow rate, and quality of life in patients with head and neck cancer: a systematic review and meta-analysis.

Support Care Cancer · 2026 · PMC13018037 · PMID 41880047

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did not reach statistical significanceno p-value reported

Comparable effects were also observed for protocols of 600–660 nm (RR 0.46, 95% CI: 0.26 to 0.80, P = 0.013) and 810–940 nm (RR 0.47, 95% CI: 0.12 to 1.08, P = 0.091), although the latter did not reach statistical significance.

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