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相关实验视频

Updated: Jan 10, 2026

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Published on: February 23, 2024

使用牙科CAD/CAM系统制造的板式保持器的适应精度:使用类型衍生模型进行控制的体外比较.

Kosuke Nomi¹, So Koizumi¹, Masatoshi Shimura²

¹Department of Orthodontics, School of Dentistry, Kanagawa Dental University, Yokosuka, Kanagawa 238-8580, Japan.

Dentistry journal

|November 26, 2025

概括

计算机辅助设计/计算机辅助制造 (CAD/CAM) 保持器与传统保持器相比,提供更高的适合精度. 这种数字制造方法可以通过考虑材料收缩来改善保持器的适应性,从而提高患者的治疗效果.

关键词:

3D三次扫描协议协议.在CAD/CAM支器上使用.传统的保持器是传统的保持器.适合的准确性适合的准确性印象复制技术复制技术

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Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

Published on: August 24, 2018

相关实验视频

Last Updated: Jan 10, 2026

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Published on: February 23, 2024

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

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Published on: December 20, 2024

Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

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Published on: August 24, 2018

科学领域:

牙科材料科学牙科材料科学
正牙技术正牙技术的使用.
生物材料工程是生物材料的工程.

背景情况:

准确的保持器适配对于保持正牙治疗结果至关重要.
使用冷固化树脂制造的传统保持器可能会由于聚合物缩小而表现出不准确.
数字牙科的进步为制造定制口腔器械提供了潜在的改进.

研究的目的:

为了比较传统保持器与三维 (3D) 打印的CAD/CAM保持器的适合精度.
评估和比较两种不同的方法来评估保持器适合的准确性:印记复制技术和3D三重扫描协议.

主要方法:

制造的常规和CAD/CAM支器在20个大型牙模型上.
在12个测量点使用印记复制技术和3D三次扫描协议评估适合的准确性.
使用威尔科克森的签名等级测试和斯皮尔曼的等级相关系数分析了间隙厚度差异.

主要成果:

在这两种评估方法中,CAD/CAM保持器与传统保持器相比,显示出明显优异的适合精度 (p < 0.001).
3D三次扫描协议显示,不同区域 (前部,狗,) 的适合精度存在显著差异.
对于CAD/CAM保持器 (0.136毫米) 的中间间隙厚度比传统保持器 (0.169毫米) 小.

结论:

与传统的保持器相比,CAD/CAM保持器具有更高的适合精度,这可能是由于数字设计补偿了聚合缩小.
3D三次扫描协议提供了精确的,特定于地点的适合精度数据,突出区域差异.
像CAD/CAM这样的数字制造技术在提高正支器的精度方面表现有前途.