Effect of the Different Polishing Systems and Techniques on Surface Roughness of Three Different Composite Resin

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). The average surface roughness results of wet polishing specimens were found higher than dry polishing specimens. But there were no statistically significant difference with these 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.

Keywords

• Polishing systems, surface roughness, polishing techniques

Farklı Polisaj Sistem ve Tekniklerinin Üç Farklı Kompozit Rezinin Yüzey Pürüzlülüğüne Etkisi

Abstract

Amaç: Bu in-vitro çalışmanın amacı üç farklı polisaj sisteminin yine üç farklı kompozit rezinin yüzey pürüzlülüğüne etkisini araştırmaktır. Ayrıca çalışmada polisaj sistemleri hem ıslak hem de kuru olarak kullanılmış ve polisaj sistemlerinin ıslak ve kuru olarak uygulanmasının yüzey pürüzlülüğüne etkisi araştırılmıştır. Gereç ve Yöntem: Çalışmada kullanılan üç farklı kompozit rezin grubunun (Photo Posterior, KURARAY, JAPONYA, Filtek Ultimate,3M ESPE, ALMANYA, Aelite LS Posterior, BISCO, ABD) her birisi için 10 mm çapında ve 2 mm yüksekliğinde teflon kalıplar kullanılarak otuzar adet örnek hazırlandı. Hazırlanan örnekler rastgele 6 alt gruba ayrıldı. (n=5). Alt gruptaki örneklerden ilk üç grup kuru olarak farklı polisaj sistemleri ile polisajlandı. (Optidisk, KERR, İSVİÇRE, Optishine, KERR, İSVİÇRE, Sof-Lex,3M ESPE, ABD) Geriye kalan diğer üç gruptaki örnekler ise yine üç farklı polisaj sistemi (Optidisk, KERR, İSVİÇRE, Optishine, KERR, İSVİÇRE, Sof-Lex,3M ESPE, ABD) ile ıslak olarak polisajlandı. Polisaj sonrası ortalama yüzey pürüzlülükleri (Ra) yüzey pürüzlülük ölçüm cihazıyla ölçüldü. Elde edilen sonuçlar SPSS 16.00 paket programı ve çok faktörlü varyans analizi (ANOVA) ile analiz edildi. Bulgular: Polisaj sonrasındaki ortalama pürüzlülük değerlerine bakıldığında kompozit rezinler arasında en fazla pürüzlülük gösteren kompozit Aelite LS Posterior olurken en az pürüzlülük gösteren materyalin Filtek Ultimate olduğu bulundu. Polisaj sistemleri karşılaştırıldığında Sof-lex ile polisaj yapılan örnekler en düşük pürüzlülük değerini gösterirken, Optishine ile polisajlanan örnekler en yüksek ortalama pürüzlülük değerini gösterdi ve bu sonuçlar ANOVA testi sonuçlarına göre anlamlı bulundu. (p<0,05). Islak polisaj yapılan örneklerin ortalama pürüzlülük değerleri, kuru olarak polisajlanan örneklerin ortalama pürüzlülük değerlerinden daha fazla bulundu. Fakat ANOVA test sonuçlarına göre bu durum istatistiksel olarak anlamlı bulunmadı. (p>0.05). Sonuç: İnorganik doldurucuları nano boyutta olan kompozit materyallerin daha iyi polisajlandığı ve aliminyum oksit kaplı çok basamaklı polisaj sistemleriyle silikon karpit kaplı tek aşamalı polisaj sistemlerine göre daha pürüzsüz yüzeyler elde edildiği görülmüştür. Ayrıca polisaj işleminin ıslak ya da kuru olarak uygulanmasının çalışmada kullanılan kompozit rezinlerin polisaj sonrası yüzey pürüzlülüklerine etkisinin olmadığı sonucuna varılmıştır.

Keywords

• Polisaj sistemleri, yüzey pürüzlülüğü, polisaj teknikleri

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