Comparison of the porosity characteristics of Portland cement, mineral trioxide aggregate and Biodentine by scanning electron microscopy

• Autores: Bravo Eslava, Luis Manuel, Gallardo Gutiérrez, César Antonio
• Formato: artículo
• Fecha de Publicación: 2021
• Institución: Universidad Científica del Sur
• Repositorio: Revistas - Universidad Científica del Sur
• Lenguaje: español
• OAI Identifier: oai:revistas.cientifica.edu.pe:article/827
• Enlace del recurso: https://revistas.cientifica.edu.pe/index.php/odontologica/article/view/827
• Nivel de acceso: acceso abierto
• Materia: agregado de trióxido mineral; Biodentine; cemento Portland; microscopio electrónico de barrido; Mineral Trioxide Aggregate; Portland cement; Scanning electron microscope

Objective: The purpose of this study was to compare the porosity characteristics of Portland cement, mineral trioxide aggregate (MTA) Angelus® and Biodentine Septodont® by scanning electron microscopy. Materials and Methods: Cements were prepared according to the manufacturer's instructions and packed in cylindrical polyethylene tubes with an internal diameter of 10 mm and a height of 5 mm. The porosity of the samples was analyzed using scanning electron microscopy. Statistical analyses were performed using the Kruskall Wallis test. The level of significance was established at 0.05. Results: The largest size mean diameter valus was found with Portland cement (11.07). There were significant differences between the mean pore diameters (p = 0.05). MTA Angelus® had the largest number of pores, followed by Biodentine Septodont®, and finally, Portland. There were no significant differences in the pores of the three cements (p =0.09). Conclusion: The results of this comparative analysis of endodontic cements showed that Portland cement has a larger pore diameter than MTA Angelus® and Biodentine Septodont®, demonstrating that these latter two cements present better resistance and permeability properties, and thereby prevent microleakage.