Evaluation of Efficacy of Low-Level Laser Therapy

Introduction: given the inconsistencies in the literature regarding laser performance in non-surgical treatments, this study investigated the available literature to determine the advantages and disadvantages of low-power lasers in treating non-surgical complications and diseases. methods: authentic information from articles was extracted and evaluated to assess low-power laser performance for non-surgical treatments. a systematic search of studies on low-level laser therapy (lllt) for non-surgical treatments was conducted mainly in pubmed and google scholar articles. results: four categories of diseases, including brain-related diseases, skin-related diseases, cancers, and bone-related disorders, which were treated by lllt were identified and introduced. the various types of lllt regarding the studied diseases were discussed. conclusion: positive aspects of lllt versus a few disadvantages of its application imply more investigation to find better and efficient new methods.