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牙体缺损桩核修复28例失败病例原因分析

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摘要 目的:探讨牙体缺损桩核修复失败的原因,提高其成功率。方法:对临床28例桩核修复失败病例进行分析。结果:牙体缺损桩核修复失败病例最常见的原因为无牙本质肩领导致牙体抗力不足,修复体从牙颈部折断;预成金属桩或铸造金属桩导致薄弱根管根尖区应力集中牙根折裂修复失败。结论:进行根管重塑以增加根管牙本质壁的厚度和强度,增强牙根的抗力。
作者 赵改侠
出处 《青海医药杂志》 2011年第11期19-20,共2页 Qinghai Medical Journal
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