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Effect of Photobiomodulation on Pain Level During Local Anesthesia Injection: A Randomized Clinical Trial Publisher Pubmed



Ghabraei S1 ; Bolhari B2 ; Nashtaie HM3 ; Noruzian M4 ; Niavarzi S1 ; Chiniforush N5
Authors
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Authors Affiliations
  1. 1. Endodontic Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Laser Research Center of Dentistry, Dentistry Research Institute, Endodontic Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. General Practitioner, Tehran, Iran
  4. 4. Orthodontics Department, Dental School, Ilam University of Medical Sciences, Ilam, Iran
  5. 5. Dental Implant Research Center, Dentistry Research Institute, Tehran University of Medial Sciences, Tehran, Iran

Source: Journal of Cosmetic and Laser Therapy Published: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. © 2020 Taylor & Francis Group, LLC.
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