Efeitos de selantes na desmineralização in vitro do esmalte ao redor dos bráquetes ortodônticos

Autores

DOI:

https://doi.org/10.33448/rsd-v10i11.19923

Palavras-chave:

Ortodontia; Diagnóstico; Cárie Dental; Selantes.

Resumo

O estudo in vitro avaliou os efeitos dos selantes CLINPRO™ XT e FLUROSHIELD® na prevenção da desmineralização no esmalte dental na região circunscrita aos bráquetes ortodônticos, através da microdureza e microscopia eletrônica de varredura.  Utilizou sessenta coroas de dentes bovinos, divididas aleatoriamente nos grupos (n: 20): G1 (bráquetes /controle), G2 (bráquetes/CLINPRO™) e G3 (bráquetes/FLUROSHIELD®). As amostras foram submetidas ao desafio cariogênico (DES/RE), avaliadas a microdureza Knoop (25 g,10 s), na superfície do esmalte dental, a partir do bráquete nas distâncias de 1.000 µm, 2.000 µm e 3.000 µm e 100 µm, 200 µm, 300 µm e 400 µm na interface em profundidade, nas direções incisal e cervical. Imagens em MEV foram obtidas da superfície na região cervical. Os resultados analisados pelos testes estatísticos ANOVA e Tukey (p< 0,05), mostraram significativa influência nos valores da microdureza nas interações Tratamento/Distância e Tratamento/Distância/Região (p= 0,00) nos grupos G2 e G3 apresentaram maior microdureza do esmalte nas áreas mais próximas ao bráquete quando aplicado selante, maiores valores de microdureza com o selante CLINPRO™. Nas amostras que não receberam selante não foi observada influência dessas interações com a microdureza (p> 0,05). O selante CLINPRO™ apresentou os maiores valores de microdureza e efetividade quando comparado com os grupos controle e selante FLUROSHIELD. Concluiu-se que os selantes foram mais efetivos em prevenir a desmineralização do esmalte nas regiões mais próximas aos bráquetes e menos efetivos nas regiões mais distantes. A composição química e propriedades do selante interferem na sua ação em reduzir a desmineralização do esmalte dental.

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11/09/2021

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LEAL, T. P. .; NAVARRO, R. S. .; FREITAS, P. M. de .; SHITSUKA , C. .; SOUZA, H. M. M. de .; CORRÊA, M. D. .; ORTOLANI, C. L. F. . Efeitos de selantes na desmineralização in vitro do esmalte ao redor dos bráquetes ortodônticos. Research, Society and Development, [S. l.], v. 10, n. 11, p. e560101119923, 2021. DOI: 10.33448/rsd-v10i11.19923. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/19923. Acesso em: 17 jul. 2024.

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