A case report of photodynamic therapy on bacterial reduction before immediate implant
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2004
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Brazilian Dental Journal
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Resumo
Recent studies have demonstrated that a number of oral bacteria can
be killed by photodynamic therapy with low concentrations of dyes.
Photodynamic therapy is the combination of light with appropriate
wavelength and a photosensitizer. The antimicrobial activity is mainly
mediated by singlet oxygen and/or free radicals generated by the
photoactivated sensitizer. A flap surgery aiming an immediate
implant was made in a residual root with periodontal lesion on upper
first premolar. After the extraction, a microbiological sample with
sterile paper points was harvested. Then, the photosensitizer was
applied in the infected alveolus and irradiated with low-intensity
laser, ?= 660 nm, P= 30 mW and E= 9 J . After the photodynamic
therapy, a new microbiological sample was harvested. Subsequently,
it was prepared the implant bed with conical burs and then the
implant was placed. Patient was medicated with antibiotic after surgery.
The microbiological analysis showed a significant reduction of
Prevotella sp., Fusobacterium sp. and Streptococcus beta-hemoliticus.
This finding suggests that photodynamic therapy is an alternative
method to disinfect alveolus before implant placement. Therefore,
this study highlights the need for future work in the area of photodynamic
therapy to reduce bacteria without harming host tissue.
Como referenciar
SUZUKI, L.C.; YAMADA JUNIOR, A.M.; HAYEK, R.R.A.; RIBEIRO, M.S. A case report of photodynamic therapy on bacterial reduction before immediate implant. Brazilian Dental Journal, v. 15, p. 127-127, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32767. Acesso em: 26 Apr 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.