https://doi.org/10.4081/ltj.2024.377 Light-Emitting-Diode photochemical effects in dentistry: an overview PDF Vol. 31 No. 1 (2024) Published: 30 January 2024 Light-Emitting-Diode, LED, photobiomodulation, PBM, photodynamic therapy, PDT, dentistry Abstract Views: 2007 PDF: 144 Publisher's note All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher. Authors Carlo Fornaini carlo@fornainident.it Department of Stomatology, Shijiazhuang 2nd Hospital, Shijiazhuang, Hebei Province, China; Micoralis Laboratory EA7354, Faculty of Dentistry, University of Nice Sophia Antipolis, Nice, France. Huichao Wang Department of Stomatology, Shijiazhuang 2nd Hospital, Shijiazhuang, Hebei Province, China. YuPu Li Department of Stomatology, Shijiazhuang 2nd Hospital, Shijiazhuang, Hebei Province, China. Jean Paul Rocca Department of Stomatology, Shijiazhuang 2nd Hospital, Shijiazhuang, Hebei Province, China; Micoralis Laboratory EA7354, Faculty of Dentistry, University of Nice Sophia Antipolis, Nice, France. Abstract This work aims to show the important role that might be played by the daily utilization of LED technology in dentistry, as well as to suggest the advantages of the application of Light-Emitting-Diode (LED) Photobiomodulation (PBM) and PhotoDynamic Therapy (PDT) for the treatment of a large number of oral diseases. It presents an overview of the most recent and interesting studies on PBM and PDT by LED light in periodontics, endodontics, orthodontics, implantology, and Oral Medicine. LED light utilization offers several advantages compared to Laser: the possibility to treat large surfaces, low cost, and safety for patients and operators. 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