3D打印桥梁在患有或没有 Bruxism 的患者中的临床结果
Edoardo Ferrari Cagidiaco1, Denise Irene Karin Pontoriero1, Daniele Manfredini2
1Department of Medical Biotechnologies, Division of Fixed Prosthodontics and Dental Materials, University of Siena, Siena, Italy.
概括
3D打印的树脂复合材料固定牙假体在后续应用中显示出良好的短期临床结果. 布鲁克斯症会增加修复器的磨损,但不会显著影响整体假肢存活率.
科学领域:
- 牙科 牙科 牙科 牙科
- 生物材料科学 生物材料科学
- 牙修复 牙修复 牙修复 牙修复 牙修复
背景情况:
- 数字牙科的进步使得复杂的修复可以进行.
- 3D打印为生产树脂复合材料固定牙假体 (FDPs) 提供了一个有前途的技术.
- 评估这些FDP在后部区域的临床性能至关重要.
研究的目的:
- 评估后部区域3D打印树脂复合物三单元FDPs的临床有效性.
- 为了比较28个月的布鲁克斯症和无布鲁克斯症患者之间的结果.
主要方法:
- 一项前性研究包括40名患者 (20名bruxists,20名非bruxists) 需要后部FDPs.
- 使用CAD软件设计FDP,并使用生物相容树脂复合材料使用DLP3D打印制造.
- 在平均28个月的随访期间,使用修改的USPHS标准评估了临床表现.
主要成果:
- 大多数3D打印的FDP在两组中都表现出卓越的临床性能 (Alpha评分).
- 在布鲁克斯症组 (40%) 与非布鲁克斯症组 (10%) 相比,复原磨损显著更高.
- 在布鲁克斯症组中发生了一次骨折;没有报告生物并发症.
结论:
- 3D打印的树脂复合材料FDP在后部修复方面表现出有利的短期临床性能.
- Bruxism 是增加这些假肢磨损的重要危险因素.
- 需要进一步的长期研究来证实耐用性.
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