El efecto de granallado y discos de óxido de aluminio en la resistencia adhesiva a la cizalladura de brackets metálicos adheridos nuevamente en esmalte erosionado

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i13.20132

Palabras clave:

Resistencia Adhesiva a la Cizalladura; Ortodoncia; Erosión dental.

Resumen

El objetivo de esta investigación fue evaluar el efecto de granallado y discos de óxido de aluminio en la resistencia adhesiva a la cizalladura de brackets metálicos adheridos nuevamente en esmalte artificialmente erosionado. Cincuenta y cuatro incisivos bovinos fueron divididos en los grupos: De control (Saliva Artificial), AlOx (Granallado de óxido de aluminio), y SL (Discos de óxido de aluminio). Las superficies de esmalte fueron aplanadas con discos de Al2O3 y con un pulidor metalográfico, luego después la Microdureza de Knoop fue evaluada. Los especímenes de AlOx y SL fueron erosionados con Coca-Cola™ por 1 minuto, 3 veces al día durante 7 días. Brackets de metal fueron adheridos en el diente. Se midió la resistencia a la cizalladura por una máquina de ensayo universal EMIC (0.5 mm/min). Fue hecho el Índice de Residuos Adhesivos (IRA) a través de lupa (10X). Fueron aplicados tests de Kolmogorov-Smirnov, Levene, homocedasticidad y ANOVA para evaluar la microdureza y resistencia adhesiva (p=0.163). Niguno de los grupos present diferencia estadísticamente significativa de resistencia adhesiva a la cizalladura. El ARI mostró diferencia estadísticamente significativa entre las agrupaciones. La prevalencia fue de IRA 3 para el grupo De Control. Sin embargo, para AlOx y SL, IRA 1 y 2 prevalecieron. El granallado de óxido de aluminio y los discos de óxido de aluminio no aumentaron la resistencia de brackets adheridos a esmaltes artificialmente erosionados. El IRA señaló que dientes erosionados presentaron mayor adhesión de resina al esmalte.

Biografía del autor/a

Luciana de Vasconcelos Leão, Federal University of Sergipe

MSc, Program in Dentistry, Federal University of Sergipe

Adriana Oliveira, Federal University of Sergipe

MSc student, Program in Dentistry, Federal University of Sergipe.

Jefferson Chaves Moreira, São Paulo State University

MSc student, São Paulo State University - UNESP, Institute of Science and Technology, Department of Restorative Dentistry.

Luiz Renato Paranhos, Federal University of Uberlândia

Professor, Department of Preventive and Community Dentistry, School of Dentistry, Federal University of Uberlândia

Sigmar de Mello Rode, São Paulo State University

Professor, São Paulo State University - UNESP, Institute of Science and Technology, Department of Dental Materials and Prosthodontics

Flavia Pardo Salata Nahsan, Federal University of Sergipe

Professor, Program in Dentistry, Federal University of Sergipe

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Publicado

03/10/2021

Cómo citar

LEÃO, L. de V. .; OLIVEIRA, A.; MOREIRA, J. C. .; PARANHOS, L. R. .; RODE, S. de M. .; NAHSAN, F. P. S. . El efecto de granallado y discos de óxido de aluminio en la resistencia adhesiva a la cizalladura de brackets metálicos adheridos nuevamente en esmalte erosionado. Research, Society and Development, [S. l.], v. 10, n. 13, p. e34101320132, 2021. DOI: 10.33448/rsd-v10i13.20132. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/20132. Acesso em: 22 nov. 2024.

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Ciencias de la salud