Estudio de la profundidad de polimerización de una ormocera frente a una resina compuesta convencional

Abstract

lntroduction: Until recently, differences between composite resins were fundamentally due to the composition of their filler content. At present, a composite resin is available which incorporates a different matrix than the conventional matrix of Bis-GMA. The purpose of this study was to compare the polymerisation depth we reach with both types of material. Material and method: We have used two composite resins (Definite® and Tetric Ceram®) which were cured inside of a stainless steel mould using two lamps (Degulux soft-start® and Astralis 7®). As suggested by the ISO we have used the scraping method to determinate the polymerisation depth. Results were statistically analysed by means of the ANOVA, Student's t and Duncan's tests to a significance level of p<0,05. Results and conclusions: Definite® reached a greater mean polymerisastion depth than Tetric Ceram®, independently of the lamp used. However, Definite® didn't polymerise in an effective manner the thickness suggested by the manufacturer.