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Reports

Effect of photobiomodulation on pain level during local anesthesia injection: a randomized clinical trial

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Pages 180-184 | Received 10 Feb 2020, Accepted 01 Jun 2020, Published online: 16 Jun 2020
 

ABSTRACT

The aim of this study was to investigate the effect of photobiomodulation therapy (PBMT) as pre-treatment on pain level during injection in the anterior maxillary region. 56 Patients were randomly divided into 3 groups, Group 1:980 nm diode laser (n = 22) (experimental), Group 2:980 nm diode laser probe placed in vestibule without radiation (placebo) (n = 22), Group3: no pre-treatment before injection (n = 12) (control). Pain level during injection was evaluated by visual analog scale (VAS). The severity of pain in Group 1(experimental) and Group 2 (placebo) was significantly lower than Group 3 (control). Group 1 had a lesser pain level than Group 2, but the difference in pain level between them was not significant. PBMT with 980 nm wavelength decreased pain level during local anesthesia injection without superiority over placebo.

Disclosure statement

The authors declare no conflict of interest.

Role of funding source

None.

Ethical approval

This study has been approved by ethical committee of Tehran University of Medical Sciences, Tehran, Iran.

Informed consent

The informed consent was taken from each patient before the procedure.

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