Comparation between photodynamic therapy and a bactericidal solution in the treatment of dental alveolitis microbiological evaluation
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Brazilian Dental Journal
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Photodynamic therapy is a new therapeutic modality to treat
microbial infections. The aim of this pilot study was to compare
this new therapeutic approach with clorhexidine in mini pigs
induced alveolitis. Alveolitis is an inflammatory disease that
involves the superficial bone layer in the dental alveolus. Eight
dental elements were extracted from mini pigs and immediately
after the alveolus were contaminated with Streptoccocus aureus.
After seven days the area presented edema and hyperemia. In the
clorhexidine group the alveolus were debrided and irrigated with a
0.12% solution of clorhexidine. In Laser group the alveolus were
debrided and photodynamic therapy was performed consisting in
the application of a azulene paste inside the alveolus with a preirradiation
time of 5 minutes followed by irradiation with a low
power diode laser, ?= 685 nm, P= 50 mW, E= 9 J, for 3 minutes.
Microbiological samples were harvested before and after treatment
for both groups with sterile paper points. The results showed bacterial
reduction in both groups, although photodynamic therapy
was significantly more effective to reduce the population of S.
aureus. This finding indicates that photodynamic therapy can be an
alternative method to the treatment of alveolitis.
Como referenciar
HAYEK, R.R.A.; YAMADA JUNIOR, A.M.; GARCEZ, A.S.; NUNEZ, S.C.; SUZUKI, L.C.; RIBEIRO, M.S. Comparation between photodynamic therapy and a bactericidal solution in the treatment of dental alveolitis microbiological evaluation. Brazilian Dental Journal, v. 15, p. 110-110, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32752. Acesso em: 30 Dec 2025.
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.