Diferencia en la dureza de resinas utilizadas convencionalmente al polimerizarse con diferentes tipos de luz

Rafael Mauricio Naranjo Pizano, José Fernando Lince Jaramillo, Juliana Vivas-Idarraga, Daniel Ruiz-Ceballos, Patricia Ortiz-Pérez

Resumen


Introducción y objetivo: Al utilizar resinas directas es importante conocerlas características específicas de las mismas y las lámparas de fotocuradoempleadas. Obtener evidencia científica para la selección de la resina,el tipo de lámpara y la técnica operatoria más adecuada para lograr unresultado clínico predecible. Materiales y métodos: Se evaluaron 24 grupos(10 por grupo), fotopolimerizadas con 3 tipos de lámparas: (Optilux®501 - halógena a máxima potencia), (Optilux® 501 - halógena con rampa)y (Bluephase® - LED); y 4 tipos de resinas: Filtek® Supreme XT, Filtek®Z350, Tetric®N Ceram, y Esthet® X; empleando 2 técnicas de obturación:incremental y en bloque. Se evaluó la dureza a la penetración en Vickersen la parte superficial y profunda de cada muestra. Resultados: Filtek®Supreme XT presentó mayor dureza, seguida por Filtek® Z350, Esthet® Xy Tetric® N Ceram. La dureza fue dependiente de la lámpara, siendo mayoreslos valores con Optilux® 501 con Rampa, seguida por Optilux® 501 amáxima potencia y finalmente LED Bluephase®. Se obtuvo mayor durezacon la técnica incremental en comparación con la técnica en bloque y en lazona superficial comparada con la zona profunda. Conclusion: se obtuvomayor dureza con la resina Filtek® Supreme XT, fotocurada con la lámparaOptilux® 501 en rampa empleando la técnica de obturación incremental.

DOI: http://dx.doi.org/10.21615/cesodon.30.1.1


Palabras clave


Filtek® Supreme XT, Z350, Tetric® N Ceram, Esthet® X, fotocurado, Vickers.

Citas


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