Influence of Photodynamic Therapy in the Control of Postoperative Pain in Endodontic Treatment: A Cross-Sectional Randomized Clinical Trial

Abstract Objective: To evaluate the postoperative pain at different times after endodontic treatment with and without the use of photodynamic therapy (PDT) of asymptomatic teeth with apical periodontitis. Material and Methods: In this cross-sectional randomized clinical trial, the treatment was performed in a single visit with and without the use of photodynamic therapy. The sample consisted of 10 patients with two teeth in the same jaw, but on different sides (split-mouth), subjected to the same endodontic treatment with reciprocating instrumentation in the apical foramen instrumentation li...