Bacterial reduction by photodynamic therapy in peri-implantitis
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2004
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Brazilian Dental Journal
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Resumo
Progressive peri-implantar bone losses, which are accompanied by
inflammatory process in the soft tissues is referred to as peri-implantitis.
The aim of this study was to compare the effects of lethal photosensitization
with the conventional technique on bacterial reduction
in ligature induced peri-implantitis in dogs. Seventeen third premolars
of eight Labrador dogs were extracted and, immediately after,
the implants were submerged. After osseointegration, peri-implantitis
was induced. After 4 months, ligature were removed and the same
period was waited for natural induction of bacterial plaque. The dogs
were randomly divided into two groups. In the conventional group,
they were treated with the conventional techniques of mucoperiosteal
flaps for scaling the implant surface and irrigation with
chlorexidine. In the laser group, only mucoperiosteal scaling was
carried out before photodynamic therapy. On the peri-implantar
pocket an azulene paste was introduced and a GaAlAs low-power
laser (l= 660 nm, P= 30 mW, E= 5,4 J and Dt= 3 min.) was applied.
Microbiological samples were obtained before and immediately
after treatment. The results of this study showed that Prevotella sp.,
Fusobacterium e S. Beta-haemolyticus were significantly reduced
for the conventional and laser groups (100%,99.8%; 100%,100%;
85.7%,97.6%, respectively).
Como referenciar
YAMADA JUNIOR, A.M.; HAYEK, R.R.A.; GIOSO, M.A.; FERREIRA, J.; BATISTA SOBRINHO, C.A.; RIBEIRO, M.S. Bacterial reduction by photodynamic therapy in peri-implantitis: an in vivo study. Brazilian Dental Journal, v. 15, p. 84-84, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32755. Acesso em: 11 May 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.