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Updated: Feb 8, 2026

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可拆卸部分假牙的3D打印减少指南的保留,稳定性和准确性
The International journal of prosthodontics
|February 6, 2026
概括
数字和传统的牙科缩减指南显示出类似的准确性和稳定性. 虽然数字方法需要更长的时间来生产,但它们提供了标准化和减少了牙科手术的椅子时间.
科学领域:
- 牙假体 牙假体 牙假体 牙假体
- 数字牙科数字牙科
- 3D打印应用程序的应用.
背景情况:
- 制造牙缩小指南的传统方法可能耗时.
- 数字技术的进步为精度和效率提供了潜在的改进.
- 虚拟规划和3D打印越来越多地被用于牙科应用.
研究的目的:
- 通过虚拟规划和3D打印制作的牙缩减指南的准确性,保留性和稳定性与传统制造的指南进行比较.
- 为了评估数字和传统的减少指南制造方法的时间效率.
主要方法:
- 部分没有牙的门的最终造被用来为30名常规组的患者和30名数字组的患者创建减少指南.
- 指南是为前和后设计的,考虑到相邻的接触和孤立的后支柱.
- 记录的关键指标包括保留,稳定性,引导平面的准确性和每个制造步骤的时间. 统计分析包括费舍尔的精确测试和曼-惠特尼测试.
主要成果:
- 数字和常规指南都实现了100%的保持和稳定性,对牙具有相邻的接触.
- 对于孤立的牙,保持率在70-90%之间,稳定性在60-70%之间,两组之间没有显著差异 (P>.05).
- 精度很高 (0.80-1.00),对于指南和孤立的支柱,精度更高. 数字技术需要更长的设计和制造时间 (P<.001),但对于孤立的支柱 (P<.001) 来说,时间效率更高.
结论:
- 制造牙缩减指南的数字技术提供了与传统方法相比的准确性,保留性和稳定性.
- 尽管整体处理时间较长,但数字化方法提供了增强的标准化.
- 数字化方法可以减少坐在椅子上的时间,提高恢复性牙科的整体工作流程效率.
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