数字连接器设计对植入式桥梁修复中曲和断裂强度的影响,这些桥梁使用不同的材料进行修复
1Department of Prosthetic Dentistry, Faculty of Dentistry, Kahramanmaras Sutcu Imam University, Avsar Street, 46060, Onikisubat, Kahramanmaras, Turkey. dtbestecetin@gmail.com.
在三单元植入物支桥梁中,单体石证实了与脱酸盐相比更强的断裂强度. 连接器尺寸的增加显著提高了牙科修复的两种材料的强度.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 牙修复 牙修复 牙修复 牙修复 牙修复
背景情况:
- 三个单位的植入物支持桥梁对于恢复缺失的牙至关重要.
- 材料类型和连接器尺寸显著影响牙假肢的机械性能.
- 了解骨折强度对于确保植入物修复的寿命和成功至关重要.
研究的目的:
- 为了评估三单元植入物支桥梁的断裂强度和表面屈曲强度.
- 为了在不同的连接器截面面积上比较单质石和脱酸盐材料.
- 为了确定连接器尺寸对CAD-CAM制造桥梁的机械性能的影响.
主要方法:
- 在ti基支柱上使用CAD-CAM技术制造42个三单元植入式支桥梁修复.
- 将其分为单一的和二氧化,分组根据连接器截面面积 (9-15毫米2对于,12-20毫米2对于二氧化).
- 使用通用测试机器进行机械测试,以确定断裂强度和看似屈曲强度.
主要成果:
- 在断裂强度和明显屈曲强度的统计学上显著的差异被观察到单质石和脱酸盐.
- 单一的石呈现出明显高于二酸盐的强度,常见的连接器截面面积为12mm2.
- 增加连接器的截面面积显著提高了两种材料的强度 (p < 0.05).
结论:
- 单立体石是一种安全且强大的材料,用于前区域的三单元桥梁.
- 二氧化可以适用于三个单元的桥梁,只要有足够的连接器面积和缺少准功能习惯.
- 连接器横截面积是优化植入式桥梁机械强度的关键因素.
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