Evaluation of the effect of the photobiomodulation therapy on the pain related to dental injections: A preliminary clinical trial.

Background: Pain from dental injections is a common reason why people fear dentistry and avoid dental treatment. Thus, researchers have attempted to find methods to decrease dental injection pain.

Objectives: Considering the analgesic effect of the photobiomodulation therapy (PBMT), the aim of this study was to evaluate the effects of PBMT on the pain caused by dental anesthetic injections.