Journal of Conservative Dentistry
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Year : 2016  |  Volume : 19  |  Issue : 2  |  Page : 171-174

Evaluation of surface roughness of three different composite resins with three different polishing systems

Department of Conservative Dentistry and Endodontics, Sree Balaji Dental College and Hospital, Bharath University, Chennai, Tamil Nadu, India

Correspondence Address:
Mensudar Rathakrishnan
Department of Conservative Dentistry and Endodontics, Sree Balaji Dental College and Hospital, Bharath University, Narayanapuram, Pallikaranai, Chennai - 600 100, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.178703

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Aim: The aim of this study was to evaluate the surface roughness of three composites with three different polishing systems. Materials and Methods: Composite specimens were made from the Teflon mold with a standardized cavity size (6 mm diameter and 3 mm height). Group I - Filtek Z350XT (Nano clusters), group II - T-Econom plus (Microhybrid), group III - G-aenial Flo (True Nano). The samples were cured for 30 s from both sides with the matrices in place. The 60 samples were divided into 3 groups (N = 20), which accounted for 40 surfaces, (n = 20 Χ 2 = 40) in each groups. Each group were subdivided into four subgroups based on the type polishing material, subgroup A - Control, subgroup B - Astrobrush, subgroup C - Astropol, and subgroup D - Soflex spiral wheel. The samples of all groups except group A (control) were finished and polished according to the manufacture's instruction. Results: After polishing, the roughness (Ra) of the resin composite of all the specimens were measured using a profilometer. Soflex spiral wheel (group D) significantly had the least roughness (Ra) value as compared to the other groups. Conclusion: Among the three resin composites tested, G-aenial Flo exhibited least Ra value due to its reduced filler size and its uniform distribution.

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