Eficácia antibacteriana da terapia fotodinâmica na desinfecção de canais radiculares – Revisão integrativa da literatura
DOI:
https://doi.org/10.21615/cesodon.33.2.13Palavras-chave:
Endodontia, Terapia a Laser de Baixa Intensidade, Terapia Fotodinâmica, Canal RadicularResumo
Avaliar a eficácia antibacteriana da Terapia Fotodinâmica (TFD) na desinfecção de canais radiculares (CR). Uma revisão integrativa da literatura foi realizada em diferentes bases de dados. Foram selecionados artigos publicados entre janeiro de 2014 e janeiro de 2018, nos idiomas português, inglês ou espanhol, que avaliaram, em ensaio clínico, a eficácia antibacteriana da TFD na desinfecção de CR. A amostra foi composta por 05 artigos que atenderam a todos os critérios de inclusão. Nesses
trabalhos foram analisados aspectos como: amostra; fotossensibilizador e tempo de exposição; fonte de luz, comprimento de onda, potência, energia e tempo de emissão; e resultados. A maioria dos estudos utilizou dentes unirradiculares e o fotossensibilizador azul de metileno com tempo de pré-irradiação variando de 1 a 5 minutos. O LED e o laser foram as fontes de luz utilizadas, com tempo de exposição variando de 40 a 240 segundos; potência de 60 mW a 1000 mW; densidade de potência de 2 a 4 mW/ cm2; energia de 4 a 9,6 J; e dose de 1,2 mJ/ cm2 a 129 J/ cm2. Pode-se concluir que, apesar da heterogeneidade dos protocolos, houve uma redução nas populações bacterianas responsáveis pelas infecções dos CR, e a TFD pode ser uma técnica de suporte na terapia endodôntica.
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