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Non-Thermal Atmospheric Pressure Plasma Application in Endodontics

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Autor(es):
Muniz, Ana Bessa ; Vegian, Mariana Raquel da Cruz ; Leite, Lady Daiane Pereira ; da Silva, Diego Morais ; Milhan, Noala Vicensoto Moreira ; Kostov, Konstantin Georgiev ; Koga-Ito, Cristiane Yumi
Número total de Autores: 7
Tipo de documento: Artigo Científico
Fonte: BIOMEDICINES; v. 11, n. 5, p. 13-pg., 2023-05-09.
Resumo

The failure of endodontic treatment is frequently associated with the presence of remaining microorganisms, mainly due to the difficulty of eliminating the biofilm and the limitation of conventional irrigation solutions. Non-thermal atmospheric pressure plasma (NTPP) has been suggested for many applications in the medical field and can be applied directly to biological surfaces or indirectly through activated liquids. This literature review aims to evaluate the potential of NTPP application in Endodontics. A search in the databases Lilacs, Pubmed, and Ebsco was performed. Seventeen manuscripts published between 2007 and 2022 that followed our established inclusion criteria were found. The selected manuscripts evaluated the use of NTPP regarding its antimicrobial activity, in the direct exposure and indirect method, i.e., plasma-activated liquid. Of these, 15 used direct exposure. Different parameters, such as working gas and distance from the apparatus to the substrate, were evaluated in vitro and ex vivo. NTPP showed a disinfection property against important endodontic microorganisms, mainly Enterococcus faecalis and Candida albicans. The antimicrobial potential was dependent on plasma exposure time, with the highest antimicrobial effects over eight minutes of exposure. Interestingly, the association of NTPP and conventional antimicrobial solutions, in general, was shown to be more effective than both treatments separately. This association showed antimicrobial results with a short plasma exposure time, what could be interesting in clinical practice. However, considering the lack of standardization of the direct exposure parameters and few studies about plasma-activated liquids, more studies in the area for endodontic purposes are still required. (AU)

Processo FAPESP: 19/05856-7 - Aplicações de plasmas atmosféricos não-térmicos na odontologia: da bancada para a clínica
Beneficiário:Cristiane Yumi Koga Ito
Modalidade de apoio: Auxílio à Pesquisa - Temático