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Previous issue date: 2013-06-21 / This study aimed to verify the effectiveness of using a low-level laser
therapy protocol to reduce swelling, pain and neurosensory disturbance
after orthognathic surgeries. Ten patients who underwent bilateral sagittal
split (BSSO) with Le Fort I osteotomy and had low-level laser therapy on
one side of the jaw were evaluated over a period of 60 days. The protocol
used was intra oral application after surgery (λ = 660 nm (Red), ED =
5J/cm2, t = 10 s / point, P = 20 mW, E = 1.2 J per point). And extra oral
application (λ = 789 nm infra-red), DE = 30J/cm2, t = 20 s / point, P = 60
mW, E = 1.2 J per point). After the fourth day, ten intraoral and extraoral
applications were performed (λ = 780nm (infrared), DE = 70J/cm2, P = 70
mW, t = 40s / point, E = 2.8 J, per point). Irradiated and non-irradiated side
data were compared post-operatively. In all assessments except the
immediate post operative assessment, swelling and pain decreased. There
is recovery of sensitivity on both sides, but on the irradiated side, recovery is
faster and almost normal at the last evaluation. The data for the irradiated
and non-irradiated sides were compared post-operatively. Fifteen, 30 and
60 days after surgery, sensitivity was recovered on both sides, but on the
irradiated side, recovery was faster and was almost complete at the time of
the last evaluation. Irradiated and non-irradiated sides were compared
regarding swelling coefficient and Visual Analogue Scale for pain
assessment. There were no significant differences between irradiated and
non-irradiated sides regarding swelling and pain in the immediate postoperative
assessment. Swelling significantly decreased in the irradiated side in the following post-operative assessments, from 2.15 to 0.21 (non
irradiated side: 2.72 to 1.29). Self-reported pain was less intense in the
irradiated side in the 24-hr (1.20 vs 3.4) and 3-day (0.60 vs 2.10)
assessments, but after 7 days of surgery either side did not show any pain.
This lower-level laser therapy protocol can improve tissue response and
reduce pain and swelling resulting from orthognathic surgeries and
accelerate the recovery of neurosensory disorders resulting from BSSO. / Este estudo teve como objetivo verificar a eficácia do uso de um
protocolo de terapia laser de baixa intensidade para redução do edema,
dor e disturbios neurossensoriais após cirurgias ortognáticas. Dez
pacientes foram submetidos a osteotomia sagital bilateral com osteotomia
Le Fort I recebendo aplicação da terapia laser de baixa intensidade em um
dos lados e foram avaliados num periodo de 60 dias. O protocolo utilizado
foi aplicação intra oral (λ = 660 nm (vermelho), ED = 5J/cm2, t = 10 s /
ponto, P = 20 mW, E = 1,2 J por ponto) e extra oral (λ = 789 nm de infravermelho),
DE = 30J/cm2, t = 20 s / ponto, P = 60 mW, E = 1,2 J por ponto)
nos três primeiros dias pós operatorios . Depois do quarto dia, dez
aplicações intra-orais e extra-orais foram realizadas (λ = 780nm (IR), DE =
70J/cm2, P = 70 mW, t = 40 / ponto, E = J 2,8, por ponto). Os dados pós
operatorios entre os lados irradiados e não irradiados foram comparados e
submetidos ao teste estatístico de Wilcoxon. Houve a recuperação da
sensibilidade do labio inferior nos dois lados, mas no lado irradiado, essa
recuperação foi mais rápida. O edema foi avaliado através do coeficiente de
edema e a dor através de uma escala analogical visual. Não houve
diferença estatisticamente significante entre o edema e a dor na avaliação
imediatamente após a cirurgia entre os dois lados. O edema foi
significantemente menor no lado irradiado nas outras avaliações pós
operatórias (2.15 para 0.21) e lado não irradiado (2.72 para 1.29). A
percepção de dor foi menos intensa do lado irradiado em 24 horas (1.20 vs
3.4) e 3 dias (0.60 vs 2.10), mas a partir do sétimo dia não observou-se dor em nenhum dos lados. O protocolo de terapia laser de baixa intensidade
aqui descrito melhora a resposta dos tecidos e reduzir a dor e inchaço
resultante de cirurgias ortognáticas e acelerar a recuperação de distúrbios
neurossensoriais resultantes da osteotomia sagital bilateral do ramo
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.bc.ufg.br:tede/4418 |
| Date | 21 June 2013 |
| Creators | Gasperini, Giovanni |
| Contributors | Costa, Luciane Ribeiro de Rezende Sucasas da, Marim, Charles, Cardoso, Leandro de Carvalho, Costa, Luciane Ribeiro de Rezende Sucasas da, Faria, Rejane Ribeiro-Rotta, Granato, Rodrigo |
| Publisher | Universidade Federal de Goiás, Programa de Pós-graduação em Ciências da Saúde (FM), UFG, Brasil, Faculdade de Medicina - FM (RG) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UFG, instname:Universidade Federal de Goiás, instacron:UFG |
| Rights | http://creativecommons.org/licenses/by-nc-nd/4.0/, info:eu-repo/semantics/openAccess |
| Relation | -1006864312617745310, 600, 600, 600, 1545772475950486338, 8765449414823306929 |
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