One step polishing to compare the mean surface roughness of nanohybrid and microhybrid composite resins
Keywords:
composite resins, dental polishing curing light, surface propertiesAbstract
Objectives: This study's goal was to compare the mean surface roughness of nano hybrid and micro hybrid composites using a one-step polishing method. This comparison was made based on the idea that a material with reduced surface roughness will exhibit superior perishability, aesthetics, surface & optical properties, which means less wear, less staining, low plaque, and low caries rate. Methodology: This comparative study was carried out in April 2023 at the Ayub Medical College in Abbottabad, Pakistan, with a sample size of 100 (50 in each group), determined by the WHO calculator. Using a mechanical stainless steel template, 120 composite resin specimens mounted on acrylic blocks with dimensions of 2 mm x 3 mm x 3 mm were created. Results: 100 samples, separated into two groups, were used in this study. According to descriptive statistics, mean surface roughness and standard deviations for Nano hybrid composite in Group A were recorded as 0.076+0.025 and for Micro hybrid composite in Group B, they were 0.001+0.036. Conclusion: After polishing with a one-step procedure, there is a noticeable difference between the surface roughness of nano hybrid and micro hybrid composite resins, indicating that the former has higher polish ability than the latter.
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