Ozgur Irmak, Ozge Celiksoz, Begum Yilmaz, Batu Can Yaman
{"title":"Adhesive system affects repair bond strength of resin composite.","authors":"Ozgur Irmak, Ozge Celiksoz, Begum Yilmaz, Batu Can Yaman","doi":"10.17096/jiufd.31921","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>This study evaluated the effects of different adhesive systems on repair bond strength of aged resin composites.</p><p><strong>Materials and methods: </strong>Ninety composite discs were built and half of them were subjected to thermal aging. Aged and non-aged specimens were repaired with resin composite using three different adhesive systems; a two-step self-etch adhesive, a two-step total-etch adhesive and a one-step self-etch adhesive; then they were subjected to shear forces. Data were analyzed statistically.</p><p><strong>Results: </strong>Adhesive type and aging significantly affected the repair bond strengths (p<0.0001). No statistical difference was found in aged composite groups repaired with two-step self- etch or two-step total-etch adhesive. One-step self-etch adhesive showed lower bond strength values in aged composite repair (p<0.0001).</p><p><strong>Conclusion: </strong>In the repair of aged resin composite, two-step self-etch and two-step total-etch adhesives exhibited higher shear bond strength values than that of one-step self-etch adhesive.</p>","PeriodicalId":30947,"journal":{"name":"Journal of Istanbul University Faculty of Dentistry","volume":"51 3","pages":"25-31"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.17096/jiufd.31921","citationCount":"16","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Istanbul University Faculty of Dentistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17096/jiufd.31921","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2017/1/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 16
Abstract
Purpose: This study evaluated the effects of different adhesive systems on repair bond strength of aged resin composites.
Materials and methods: Ninety composite discs were built and half of them were subjected to thermal aging. Aged and non-aged specimens were repaired with resin composite using three different adhesive systems; a two-step self-etch adhesive, a two-step total-etch adhesive and a one-step self-etch adhesive; then they were subjected to shear forces. Data were analyzed statistically.
Results: Adhesive type and aging significantly affected the repair bond strengths (p<0.0001). No statistical difference was found in aged composite groups repaired with two-step self- etch or two-step total-etch adhesive. One-step self-etch adhesive showed lower bond strength values in aged composite repair (p<0.0001).
Conclusion: In the repair of aged resin composite, two-step self-etch and two-step total-etch adhesives exhibited higher shear bond strength values than that of one-step self-etch adhesive.
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