Photodynamic Therapy: A Novel Ally for Surgical Endodontic Treatment? Case Report

Introduction: photodynamic therapy (pdt) has emerged as a powerful tool for conventional endodontic treatment, capable of eradicating microorganisms present in endodontic infections. despite this, the use of pdt in the surgical endodontic treatment is not well-known. case report: this paper describes the case of a patient with asymptomatic apical periodontitis in a mandibular incisor submitted to surgical endodontic treatment associated with pdt. after conventional procedures, photosensitizer methylene blue (0.01%) was applied to the retrograde cavity for 3 minutes, followed by irradiation with diode laser (100 mw and 660 nm) for 3 minutes. six months after the procedure, the patient was asymptomatic, and the radiographic examination showed healthy periradicular tissues. conclusion: the association of pdt with surgical endodontic treatment was effective, suggesting that this therapy may provide additional benefits to patients when compared to the conventional surgical technique.