2015
DOI: 10.1590/s0102-865020150030000007
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Use of low-power laser to assist the healing of traumatic wounds in rats

Abstract: PURPOSE:To investigate the morphological aspects of the healing of traumatic wounds in rats using low-power laser. METHODS:Twenty four non isogenic, young adult male Wistar rats (Rattus norvegicus) weighing between 200 and 300g was used. The animals were randomly distributed into two groups: Control (GC) and Laser (GL), with 12 animals each. After shaving, anesthesia was performed in the dorsal region and then a surgical procedure using a scapel was carried out to make the traumatic wound. GL received five ses… Show more

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Cited by 19 publications
(13 citation statements)
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“…Experimental studies have demonstrated the photostimulatory effects of LLLT; combined with BP therapy or otherwise, it has been used effectively to stimulate bone formation in artificially created cavities (830 nm, 50 mW, 4 J∕cm 2 ), in surgical fractures in rats (904 nm, 4 mW cm −2 , 0.72 J cm −2 ), 17,21 and to boost soft-tissue wound healing (660 nm, 100 mW, 10 J∕cm 2 ). 22 The histological analyses of our study are largely descriptive and static. The individual phases (inflammation, vascularity, bone healing) occur over various time frames, so this can be a significant limitation of this study.…”
Section: Discussionmentioning
confidence: 99%
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“…Experimental studies have demonstrated the photostimulatory effects of LLLT; combined with BP therapy or otherwise, it has been used effectively to stimulate bone formation in artificially created cavities (830 nm, 50 mW, 4 J∕cm 2 ), in surgical fractures in rats (904 nm, 4 mW cm −2 , 0.72 J cm −2 ), 17,21 and to boost soft-tissue wound healing (660 nm, 100 mW, 10 J∕cm 2 ). 22 The histological analyses of our study are largely descriptive and static. The individual phases (inflammation, vascularity, bone healing) occur over various time frames, so this can be a significant limitation of this study.…”
Section: Discussionmentioning
confidence: 99%
“…For the aforementioned reasons, this study was conducted in animals, as were previous experiments. [17][18][19][20][21][22] The objective of this study was to evaluate the effects of lowlevel laser therapy (LLLT) in the red and infrared wavelengths on bone and soft-tissue repair in rats with experimental BRONJ induced by combination BP (ZA) and glucocorticoid [dexamethasone (DX)] therapy and subjected to surgical extraction of upper molars. The combination of ZA and DX was designed to reproduce regimens administered to humans with multiple myeloma, which are among the therapies most associated with BRONJ.…”
mentioning
confidence: 99%
“…Estudos confirmam que o protocolo infravermelho atua biomodulando positivamente a cicatrização óssea em animais e pode ser empregado em casos de implantodontia 17 , distração osteogênica 18 , expansão maxilares 19 e fraturas ósseas 20 . Enquanto isso, o protocolo vermelho apresenta resultados positivos de reparação de feridas em tecidos moles [10][11][12][13][14] . Entretanto, a literatura é escassa quanto à repercussão de protocolos infravermelhos em tecidos moles.…”
Section: Discussionunclassified
“…Resultados de Poli 29 (2010), utilizando laser vermelho 685 nm, potência 35 mW, com diferentes densidades de energias (16J, 8J, 4J), no período de nove dias, mostrando que cinco de onze amostras apresentaram reepitelização total da ferida. Outro estudo, utilizando laser vermelho 660 nm, 100 mW e 10 J/cm², em doze animais, mostrou que todos apresentaram reepitelização total ou quase completa 10 . A cicatrização das feridas pode ocorrer de dois modos: na primeira intenção, os bordos são lineares e aproximados; na segunda intenção, os bordos são irregulares e separados.…”
Section: Discussionunclassified
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