Ana Carolina Rocha Medeiros, Gabriella Lages Castelo Branco, Leonardo Alonso de Moura


Objective:to analyze in the available literature information on the efficacy of laser therapy in impacted third molar surgeries. Materials and methods: A systematic literature review was performed using a combination of the terms "laser therapy" and / or "impacted third molars" and / or "surgery" to search for the PubMed indexer. The following were excluded: reviews, case studies and reports, investigations that investigated under the age of 18 years or with samples smaller than 10 subjects. Field investigations that analyzed the use of laser in impacted third molar surgeries, published from 2013 to 2018, that is, the last five years, in the english and portuguese languages, were included. Results: In this way, 13 (thirteen) studies, published in the period from 2015 to 2018, were analyzed in english. A total of 479 patients were evaluated. Conclusion:There was a significant reduction of pain, edema and trismus, the latter being the least significant. Laser therapy proved to be effective in the face of analgesic and anti-inflammatory effects and it was not possible to perceive laser effectiveness in alveolar scarring, due to the lack of studies on this subject.

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Fabre, HS, Navarro RL,Oltramari-Navarro PV, Oliveira RF; Pires-OliveiraDA,Andraus RA.Anti-inflammatory and analgesic effects of low-level laser therapy on the postoperative healing process. J Phys Ther Sci. 2015;27(6), 1645–1648.Disponívelem:

Pedreira AA, Sá M, Medrado ARAP. O uso da laserterapia de baixa intensidade após exodontia de terceiros molares: Revisão de literatura. RevistaBahiana de Odontologia,Salvador, jan./jun. 2013; 4(1), 37-45.Disponívelem:

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Farhadi F, Eslami H, Majidi A, Fakhrzadeh V, Ghanizadeh M, Khademneghad S. Evaluationofadjunctiveeffectoflow-level laser Therapyonpain, swellingandtrismusaftersurgicalremovalofimpactedlowerthird molar: A doubleblindrandomizedclinicaltrial. Laser Ther; 2017 Sep; 26(3), 181-187. Disponível em:

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Petrini M, Ferrante M,Trentini P, Perfetti G,Spoto G. Effect of pre-operatory low-level laser therapy on pain, swelling, and trismus associated with third-molar surgery. Med. Oral Patol. Oral Cir. Bucal. 2017 Jul1; 22(4), 467-472. Disponível em:

Kahraman SA,Cetiner S, Strauss, RA. The Effects of Transcutaneous and Intraoral Low-Level Laser Therapy After Extraction of Lower Third Molars: A Randomized Single Blind, Placebo Controlled Dual-Center Study. Photomed Laser Surg; 2017 Aug;35(8), 401-407.Disponívelem:

Pol R, Ruggiero T,Gallesio G,Riso M, Bergamasco L,Mortellaro C. Efficacy of Anti-Inflammatory and Analgesic of Superpulsed Low Level Laser Therapy After Impacted Mandibular Third Molars Extractions. J CraniofacSurg; 2016 May; 27(3), 685-690. Disponívelem:

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