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在植入物支架上的牙桥移除工具的效率和风险评估
Gianmario Schierano1, Domenico Baldi2, Cristina Bignardi3,4
1Department of Surgical Sciences, C.I.R. Dental School, University of Turin, Via Nizza 230, 10126 Turin, Italy.
Journal of functional biomaterials
|January 27, 2026
概括
磁性子是有效的,用于移除临时的水泥保留植入物假体. 对于永久凝固,避免酸水泥由于移除困难和潜在的支柱螺丝损坏.
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:
- 固定在水泥中的植入物假体提供了美学优势,但也带来了移除挑战.
- 有效和安全的检索方法对于维护和再处理至关重要.
- 目前用于切除假肢的临床工具在效率和风险方面各不相同.
研究的目的:
- 为了比较三个临床工具的效率和风险:磁力子,滑动子和Coronaflex.
- 评估化剂 (氧化非尤根醇,酸) 和支柱体几何形状对切除假肢的影响.
- 确定水泥保留植入物假体的最佳检索策略.
主要方法:
- 一个完整的因数分析,涉及7个桥梁几何,2个剂和3个移除工具 (共210个测试).
- 测试三单元桥梁模型在具有不同几何形状的支柱上进行凝固.
- 通过成功的检索率和使用压电负载电池的最大施加力来评估移除效率.
主要成果:
- 对于临时凝固,滑动子显示了最高的回收率;磁力子与较低的力相当.
- 与磁性子相比,Coronaflex表现出较低的成功率和更高的力量.
- 使用酸的永久固通常是不可拆卸的,使用滑动子可能会损坏支柱螺丝.
结论:
- 磁力子对于临时的水泥保持桥梁是有效的,可能与滑动子相结合,用于具有挑战性的几何形状.
- 对于需要可回收的程序,应避免使用酸水泥,除了最小的保留支柱.
- 精心选择光剂和了解工具特定的效率对于植入物假体管理至关重要.
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