Estudio comparativo in-vitro de la resistencia a la compresión vertical de tres materiales de reconstrucción de muñones
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2025
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Universidad Católica Santo Toribio de Mogrovejo
Resumen
El estudio se planteó comparar in vitro la resistencia a la compresión vertical de tres materiales de reconstrucción de muñones: una resina Bulk Fill, una resina nanoparticulada y un cemento resinoso dual. Se confeccionaron bloques cilíndricos de 4 mm de diámetro por 4 mm de altura, estos se sometieron a pruebas de compresión vertical mediante una máquina universal de pruebas Instron. Se encontró que la resina Bulk Fill tuvo el mayor promedio de resistencia a la compresión (266,36 MPa), seguida por la resina nanoparticulada (211,97 MPa), mientras que el cemento resinoso dual fue el que registró la menor resistencia (129,71 MPa). Por lo tanto, la investigación evidenció que existen diferencias estadísticamente significativas entre los materiales evaluados (p < 0,001), siendo el tipo de material un factor determinante en el desempeño mecánico bajo carga compresiva. En conclusión, la resina Bulk Fill mostró un comportamiento superior.
The objective of this investigation was to compare the in vitro vertical compressive strength of three core build-up materials: a Bulk Fill resin, a nanoparticulate resin, and a dual resin cement. Cylindrical blocks measuring 4 mm in diameter by 4 mm in height were manufactured using the three evaluated materials: Filtek Bulk Fill, Filtek Z350 XT, and AllCem Core, which were subjected to vertical compression testing using an Instron universal testing machine. The results showed that the Bulk Fill resin presented the highest average compressive strength (266.36 MPa), followed by the nanoparticulate resin (211.97 MPa), while the dual resin cement registered the lowest resistance (129.71 MPa). Therefore, the research showed that there are statistically significant differences between the evaluated materials (p < 0.001), with the type of material being a determining factor in the mechanical performance under compressive loading. In conclusion, Bulk Fill resin demonstrated superior performance.
The objective of this investigation was to compare the in vitro vertical compressive strength of three core build-up materials: a Bulk Fill resin, a nanoparticulate resin, and a dual resin cement. Cylindrical blocks measuring 4 mm in diameter by 4 mm in height were manufactured using the three evaluated materials: Filtek Bulk Fill, Filtek Z350 XT, and AllCem Core, which were subjected to vertical compression testing using an Instron universal testing machine. The results showed that the Bulk Fill resin presented the highest average compressive strength (266.36 MPa), followed by the nanoparticulate resin (211.97 MPa), while the dual resin cement registered the lowest resistance (129.71 MPa). Therefore, the research showed that there are statistically significant differences between the evaluated materials (p < 0.001), with the type of material being a determining factor in the mechanical performance under compressive loading. In conclusion, Bulk Fill resin demonstrated superior performance.
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Palabras clave
Resistencia a la compresión, Materiales de reconstrucción, Resinas Bulk Fill, Compressive strength, Core materials, Bulk-fill resins
Citación
Barboza L. Estudio comparativo in-vitro de la resistencia a la compresión vertical de tres materiales de reconstrucción de muñones [Tesis de segunda especialidad]. Chiclayo: Universidad Católica Santo Toribio de Mogrovejo; 2025. 48 p. Disponible en:
