Abstract

Aim: The aim of this in-vitro study was to evaluate the effect of three different polishing system on roughness of the three different composite resins. Also in this study, the polishing systems were used with wet and dry ways and the effect of using polishing systems wet and dry techniques on surface roughness were researched. Material and methods: By using teflon molds (10 mm. diameter and 2 mm. heigh) thirty specimens were prepared for each of all three composite groups (Photo Posterior, KURARAY, JAPAN, Filtek Ultimate,3M ESPE, GERMANY, Aelite LS Posterior, BISCO, USA). The specimens randomly divided six subgroups. (n=5) Three subgroups of specimens were polishing with different polishing system with dry technique. (Optidisk, KERR, SWITZERLAND, Optishine, KERR, SWITZERLAND, Sof-Lex,3M ESPE, USA)The other three subgroup specimens were polishing with different polishing system (Optidisk, KERR, SWITZERLAND, Optishine, KERR, SWITZERLAND, Sof-Lex,3M ESPE, USA) and using wet tecnique. The average surface roughness values (Ra) measured after polishing. Results were analyzed with using SPSS 16.00 programme and multi-way ANOVA test. Results: After polishing procedure the highest roughness value was seen in Aelite LS Posterior group and the lower roughness value was seen in Filtek Ultimate. The specimens polished with Sof-Lex showed the lowest roughness value and polished with Optishine showed the highest roughness value. These results found statsistically significant to ANOVA test results. (p 0,05) Conclusion: The composite resin materials which have nano inorganic fillers were shown better polising results and the multi-step and aluminium-coated polishing systems were shown less surface roughness against one-step and silicon carbide coated. Also it’s shown that wet or dry polishing practices were no effect on surface roughness results.

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