Effectiveness of Photobiomodulation as a Treatment for Xerostomia in Patients with Head and Neck Cancer Undergoing Radiotherapy: A Systematic Review and Meta-Analysis
Background: Radiotherapy-induced xerostomia is a prevalent and disabling complication in patients with head and neck cancer, leading to persistent oral pain, impaired salivary function, and substantial deterioration in quality of life. Photobiomodulation (PBM) has emerged as a supportive therapeutic strategy with poten...