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[使用国内计算机辅助设计和计算机辅助制造系统即时制造带环空间维护器的随机控制临床研究]
W J Yan1, Y L Ren1, H M Zhang1
1First Clinical Division, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100034, China.
概括
使用国内计算机辅助设计和计算机辅助制造 (CAD/CAM) 制造的儿科带环空间维护器显示出与传统方法相比的保留效果. 数字化方法显著改善了早期牙损失的儿童的斑块控制和牙健康.
科学领域:
- 儿科牙科 儿科牙科
- 生物材料和牙科设备
- 数字牙科和CAD/CAM技术的使用
背景情况:
- 叶落牙的早期损失需要空间维护者来防止门崩并引导永久牙喷发.
- 传统的带环空间维护器是手工制造的,这可能是耗时和技术敏感的.
- 计算机辅助设计和计算机辅助制造 (CAD/CAM) 的进步为改善牙科假肢制造提供了潜力.
研究的目的:
- 使用国内CAD/CAM系统制造儿科带环空间维护器.
- 评估和比较数字制造的空间维护者的临床结果与传统制造的空间维护者.
- 评估儿童患者空间保护和牙周健康方面的有效性.
主要方法:
- 一项前性随机对照试验涉及50名患有早期脱落牙的儿童.
- 参与者被随机分为数字制造 (国内CAD/CAM) 或传统制造组.
- 临床有效性,保留率,斑块积累和牙健康是在3个月和6个月后进行评估的.
主要成果:
- 数字 (93%在3米,93%在6米) 和传统 (92%在3米,96%在6米) 组之间的保持器保留率没有显著差异.
- 与传统相比,数字制造组的斑块积累显著降低 (82% vs 58% 在3m) 和更好的牙健康 (79% vs 50% 在3m).
- 两组之间在空间变化,空发病率或循环沉降率方面没有发现显著差异.
结论:
- 国内CAD/CAM制造的带环空间维护器在儿科患者的空间维护方面具有临床效果.
- 与传统方法相比,数字制造提供了优越的斑块控制和保持牙健康.
- 对于制造儿科空间维护器来说,CAD/CAM技术提供了一种可行且有利的替代方案.
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