{"title":"The Effect of Layer Thickness and Light Intensity on the Degree of Conversion, Microhardness and Cytotoxicity of Bulk Fill Composite Resins","authors":"S. Batmaz, A. Dündar, Ç. Barutçugil","doi":"10.33808/clinexphealthsci.1187557","DOIUrl":null,"url":null,"abstract":"Objectives: The aim of this study was to evaluate the effects of polymerizing bulk fill composite resins at different thicknesses and different light intensities on the degree of conversion, microhardness and cytotoxicity of the composites. \nMethods: Two different bulk fill composite resins were used in this in vitro study: Sonic Fill 2, Filtek Bulk Fill. Samples prepared from both composites with a thickness of 2, 4 and 6 mm were polymerized in 2 different power modes. The degree of conversion, microhardness and cytotoxicity of these samples were measured. \nResults: As the layer thickness of the bulk fill composite resins increased, the degree of conversion of the lower surfaces of the composites decreased significantly (p","PeriodicalId":10192,"journal":{"name":"Clinical and Experimental Health Sciences","volume":" ","pages":""},"PeriodicalIF":0.3000,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Clinical and Experimental Health Sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.33808/clinexphealthsci.1187557","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MEDICINE, RESEARCH & EXPERIMENTAL","Score":null,"Total":0}
引用次数: 0
Abstract
Objectives: The aim of this study was to evaluate the effects of polymerizing bulk fill composite resins at different thicknesses and different light intensities on the degree of conversion, microhardness and cytotoxicity of the composites.
Methods: Two different bulk fill composite resins were used in this in vitro study: Sonic Fill 2, Filtek Bulk Fill. Samples prepared from both composites with a thickness of 2, 4 and 6 mm were polymerized in 2 different power modes. The degree of conversion, microhardness and cytotoxicity of these samples were measured.
Results: As the layer thickness of the bulk fill composite resins increased, the degree of conversion of the lower surfaces of the composites decreased significantly (p
目的：本研究的目的是评估不同厚度和不同光照强度下聚合本体填充复合树脂对复合材料转化率、显微硬度和细胞毒性的影响。方法：采用两种不同的散装填充复合树脂：Sonic fill 2、Filtek bulk fill。由厚度为2、4和6mm的两种复合材料制备的样品在2种不同的功率模式下聚合。测定了这些样品的转化率、显微硬度和细胞毒性。结果：随着本体填充复合树脂层厚的增加，复合材料下表面的转化率显著降低（p
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