Effect of Different Finishing and Polishing Systems on the Surface Roughness of Resin Composite and Enamel: An In vitro Profilometric and Scanning Electron Microscopy Study

International Journal of Applied & Basic Medical Research
Karan BansalNeha Aggarwal

Abstract

The aim is to compare and evaluate the different finishing and polishing systems for the change in surface roughness of resin composites and enamel. To conduct the study, 30 extracted human maxillary central incisors were selected, decoronated, and molded in self-cure acrylic molds. A box-shaped cavity of dimensions 3 mm × 3 mm × 2 mm was prepared in all the teeth. A nanohybrid composite resin (Filtek Z250) was then used to restore the prepared cavities. Thirty samples were divided into two groups, control group (Group A, n = 10) and experimental group (Group B, n = 20). The samples in Group A were cured through the Mylar matrix. The experimental group, i.e., Group B was divided into two subgroups, i.e., Subgroup BX, n = 10 in which Sof-Lex polishing system was used for polishing the tooth surface and Subgroup BF, n = 10 in which Shofu composite polishing system was used. The mean surface roughness (Ra in μm) of the composite restoration as well as for the enamel surface of all the samples before and after polishing was measured with a contact profilometer, and the values were correlated with scanning electron microscopy. The statistical analysis was carried out using paired t-test. The results exhibited a significant decrease ...Continue Reading

Methods Mentioned

BETA
scanning electron microscopy

Software Mentioned

Statistical Package for Social Sciences ( SPSS
Mylar

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