Influencia de dentífricos comerciales en la rugosidad superficial y estabilidad del color de una resina impresa en 3D: estudio piloto in vitro

Autores/as

DOI:

https://doi.org/10.15517/6zc8n889

Palabras clave:

Hidroxiapatita; Dentífricos; Propiedades de superficie; Estabilidad del color; Materiales dentales.

Resumen

Este estudio piloto in vitro evaluó el efecto de diferentes dentífricos comerciales que contienen hidroxiapatita, carbón activado y sistemas abrasivos convencionales sobre la rugosidad superficial y la estabilidad del color de un material de resina impreso en 3D. Se fabricaron especímenes en forma de disco y se sometieron a un cepillado simulado utilizando suspensiones de dentífrico durante un número estandarizado de ciclos. La rugosidad superficial se evaluó mediante un rugosímetro de contacto, y los cambios de color se midieron mediante espectrofotometría. Los datos fueron analizados mediante pruebas estadísticas no paramétricas con un nivel de significancia de 0,05. La composición del dentífrico influyó significativamente tanto en la rugosidad superficial como en la estabilidad del color. Los mayores valores de rugosidad se observaron en el grupo con carbón activado, mientras que los menores cambios de color se registraron en el grupo Be You. Bajo las condiciones de este estudio piloto, Be You, un dentífrico con hidroxiapatita, mostró un comportamiento óptico más favorable; sin embargo, los productos con hidroxiapatita no presentaron una respuesta uniforme en todos los desenlaces evaluados. Estos hallazgos indican que la abrasividad y la composición de los dentífricos comerciales pueden influir en la integridad superficial y el comportamiento óptico de los materiales de resina impresos en 3D. No obstante, estos resultados deben interpretarse como preliminares y confirmarse en futuros estudios con tamaños muestrales mayores.

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Publicado

2026-07-24