Effectiveness of Photobiomodulation as a Treatment for Xerostomia in Patients with Head and Neck Cancer Undergoing Radiotherapy: A Systematic Review and Meta-Analysis.

This systematic review and meta-analysis of seven randomised trials found that photobiomodulation reduced oral pain in head and neck cancer patients with radiotherapy-induced xerostomia, though its effects on salivary flow were inconclusive due to high variability in treatment protocols across studies.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.