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Evaluación de la adaptación marginal y la fuerza de enlace de los tapones del conducto radicular apical utilizando
Michel Sena Fernandes Faria Lima1, Alberto Nogueira da Gama Antunes1, Kênia Maria Pereira Soares de Toubes2
1Departamento de Odontologia - Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, MG, Brasil, Avenida Dom José Gaspar 500 / Prédio 46, Coração Eucarístico, Belo Horizonte, MG, 30535-610, Brasil.
BMC oral health
|February 10, 2026
Resumen
MTA Repair HP ofrece una adaptación marginal superior para el sellado apical efectivo en dientes inmaduros. PBS Cimmo HP demuestra una mayor resistencia de enlace, lo que indica su idoneidad para casos que necesitan una mayor resistencia mecánica durante la apexificación.
Área de la Ciencia:
- La endodoncia es la endodoncia.
- Materiales dentales Ciencias de la ciencia.
Sus antecedentes:
- La apexificación de los dientes inmaduros presenta desafíos para lograr un sello apical efectivo y resistencia mecánica.
- Los materiales biocerámicos como MTA Repair HP, Bio-C Repair, Biodentine y PBS Cimmo HP tienen como objetivo mejorar la capacidad de sellado y la fuerza de enlace.
- Este estudio compara cuatro cementos basados en silicato de calcio para aplicaciones de barrera apical.
Objetivo del estudio:
- Para evaluar y comparar la adaptación marginal apical in vitro utilizando microscopía electrónica de barrido (SEM).
- Para evaluar y comparar la fuerza de unión utilizando la prueba de empuje de cuatro cementos biocerámicos.
- Determinar el material biocerámico más adecuado para los procedimientos de apexificación basados en el rendimiento.
Principales métodos:
- Se prepararon cuarenta modelos de dientes inmaduros simulados con ápices abiertos.
- Las muestras se dividieron en cuatro grupos, cada uno recibió uno de los cuatro cementos biocerámicos como un tapón apical.
- La adaptación marginal apical se evaluó a través de SEM, y la fuerza de enlace se evaluó utilizando la prueba de empuje.
Principales resultados:
- MTA Repair HP mostró una adaptación marginal significativamente mejor que Cimmo HP.
- PBS Cimmo HP exhibió la mayor fuerza de enlace, significativamente superior a Bio-C Repair.
- MTA Repair HP y Biodentine demostraron un rendimiento consistente tanto en las pruebas de adaptación marginal como en las de fuerza de enlace.
Conclusiones:
- MTA Repair HP está indicado para la adaptación marginal superior, crucial para el sellado apical y la prevención de fugas.
- La mayor resistencia de enlace de PBS Cimmo HP sugiere su idoneidad para casos que exigen una mayor resistencia mecánica.
- Comprender las distintas propiedades de estos cementos biocerámicos ayuda a los médicos a seleccionar el material óptimo para la apexificación.
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