Influencia de los dentífricos que contienen fosfato tricálcico en la microdureza, el color y la topografía del esmalte dental

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i14.36410

Palabras clave:

Blanqueamiento de dientes; Peróxido de Hidrógeno; Peróxido de Carbamida; Esmalte dental; Dentífricos.

Resumen

El objetivo de este estudio fue evaluar el efecto del uso de dentífricos que contienen fosfato tricálcico (β-TCP) sobre la microdureza, el color del esmalte y la topografía antes del tratamiento de blanqueo con peróxido de hidrógeno (HP) al 35%. Cincuenta bloques incisivos bovinos de esmalte/dentina (4 × 4 × 2 mm) fueron aleatorizados en cinco grupos (n=10): control negativo (C) (ningún tratamiento), control positivo (35% HP), Colgate Total 12 luego 35% HP (CT 12 + 35% HP), Elmex Sensitive luego 35% HP (ES + 35% HP) y Bianco Pro Clinical luego 35% HP (BPC + 35% HP). Se realizaron microdureza Knoop (KHN) y microscopía electrónica de barrido (SEM). El color fue evaluado utilizando CIELAB (∆Eab*) y CIEDE 2000 (∆E00) en 3 tiempos: inicial (T0), 24 después de la exposición a la pasta de dientes (T1) y 24 horas después del tratamiento de blanqueamiento (T2). Los datos de microdureza, ∆Eab* y ∆E00 se analizaron utilizando modelos lineales generalizados, considerando el efecto de grupo del modelo. Los datos ∆L, ∆a y ∆b se analizaron utilizando las pruebas no paramétricas de Kruskal-Wallis y Dunn. Se utilizó una significación del 5%. La KHN fue significativamente mayor en los grupos BPC + 35% HP y ES + 35% HP que en los grupos C y 35% HP (p = 0,0295). ∆L fue mayor en los grupos que recibieron 35% de HP que en el grupo C 24 horas después del blanqueamiento (p=0,0001). No hubo diferencia significativa entre los grupos en ∆Eab* (p=0,0679) y ∆E00 (p=0,1463) 24 horas después del blanqueamiento. El uso de dentífricos que contienen β-TCP antes del tratamiento de blanqueamiento con 35% de HP aumenta la microdureza del esmalte, pero no altera significativamente el color del diente. Importancia Clínica: Los dentífricos que contienen β-TCP en su formulación aumentan la microdureza del esmalte sin interferir con el color del sustrato cuando se usan con blanqueamiento dental previo en el consultorio.

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Publicado

01/11/2022

Cómo citar

LOPES , M. P. .; GONÇALVES, I. M. C. .; GARCIA, R. M.; SOBRAL-SOUZA, D. F. .; AGUIAR, F. H. B. .; LIMA, D. A. N. L. . Influencia de los dentífricos que contienen fosfato tricálcico en la microdureza, el color y la topografía del esmalte dental . Research, Society and Development, [S. l.], v. 11, n. 14, 2022. DOI: 10.33448/rsd-v11i14.36410. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/36410. Acesso em: 17 jul. 2024.

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Ciencias de la salud