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Tensile Bond Strength of Acrylic Resin Teeth to Denture Base Repair Resin

机译：丙烯酸树脂牙齿对义齿基修复树脂的拉伸粘结强度

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摘要

The aim of this study is to evaluate the effect of different surface treatments of the artificial acrylic teeth on the bond strength to Denture Base Repair Resin. Fifty acrylic cylinders were milled from large size acrylic molars. The cylinders were then randomly assigned to five experimental groups, each containing ten cylinders. The flat surfaces were considered as bonding areas. The surface treatment regimens were: Group 1: polished (control group), Group 2: polished+methyl methacrylate, Group 3: sandblasting + methyl methacrylate, Group 4: sandblasting+universal repairing adhesive (Clearfil Repair-Kuraray), Group 5: polished+dichlormethane. All sandblasting procedures were realized using 50 urn alumina (30 seconds), from a distance of 10 mm. A self-cured denture base repair resin (Duracryl - Spofa Dental) was used for manufacturing the bonding test specimens, according to the ADA specification No. 15. After 30 days of water storage, each specimen was tested in tensile at a speed of 1 mm/min. Tensile bond strength mean values were statistically significant among groups, ranging from 13,5 MPa (group 4) to 35,9 MPa , the latter pertaining to group 5. Dichlormethane treatment leads to enhanced bond strength to the artificial teeth and may be considered as a laboratory and clinical procedure as well, in order to improve the quality of bonding.
机译：这项研究的目的是评估人造丙烯酸牙的不同表面处理对假牙基修复树脂粘结强度的影响。从大尺寸的丙烯酸臼齿中研磨出五十个丙烯酸酯圆柱体。然后将钢瓶随机分配到五个实验组，每个实验组包含十个钢瓶。平坦表面被认为是粘合区域。表面处理方案为：第1组：抛光（对照组），第2组：抛光+甲基丙烯酸甲酯，第3组：喷砂+甲基丙烯酸甲酯，第4组：喷砂+通用修补胶（Clearfil Repair-Kuraray），第5组：抛光+二氯甲烷。所有喷砂程序均使用50氧化铝（30秒），距离10 mm。根据ADA规范15，使用自固化义齿基托修复树脂（Duracryl-Spofa Dental）制造粘合测试样品。储水30天后，以1的速度测试每个样品的拉伸强度毫米/分钟各组之间的拉伸粘结强度平均值具有统计学意义，范围从13.5 MPa（第4组）到35.9 MPa（后者属于第5组）。二氯甲烷处理可增强与人造牙的粘结强度，可以认为是以及实验室和临床程序，以提高粘合质量。

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  • 来源
  • 会议地点 Tenerife(ES);Tenerife(ES);Tenerife(ES);Tenerife(ES);Tenerife(ES);Tenerife(ES);Tenerife(ES);Tenerife(ES)
  • 作者

    Adelina Elena Stoia; Cosmin Sinescu; Meda Negrutiu; Marius Enescu; Roxana Rominu; Mircea Pielmusi; Anca Tudor; Mihai Rominu;

  • 作者单位

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Faculty of Dentistry, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Faculty of Dentistry, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Faculty of Dentistry, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Faculty of Dentistry, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Department of Medical Informatics;

    University of Medicine and Pharmacy 'Victor Babes' Timisoara, Dental Materials Department. Bd. Revolutiei din 1989, Nr. 9, 300041;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计算技术、计算机技术;通信;
  • 关键词

    acrylic teeth; chemical treatment; denture base resin; dicloromethane; tensile strenght;

    机译：亚克力牙齿化学处理；假牙基料树脂；二氯甲烷抗拉强度;

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