在CAD/CAM间接修复中深度边缘升高的临床评估:一项为期24个月的随访研究
Onur Adson1, Taha Yasin Sarıkaya1, Şükran Bolay1
1Department of Restorative Dentistry, School of Dentistry, Hacettepe University, Ankara, Turkey.
Journal of dentistry
|February 5, 2026
概括
深边缘升高 (DME) 是一种可行的技术,用于恢复经过内牙治疗的牙,具有下边缘. 这种方法的短期临床性能与supragingival边缘相比较,增强恢复寿命.
科学领域:
- 恢复性牙科 恢复性牙科
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科材料 牙科材料
背景情况:
- 经过内牙治疗的后牙往往具有深层或下边缘.
- 用CAD/CAM (计算机辅助设计/计算机辅助制造) 内冠修复这些牙需要仔细的边际管理.
- 深度边缘提升 (DME) 是一种保守地管理下边缘的技术.
研究的目的:
- 为了比较CAD/CAM内冠状瘤的两年临床表现和生存率.
- 评估用和没有深边缘升高 (DME) 放置在内牙治疗后牙的内冠的结果.
主要方法:
- 一项前性临床研究涉及88名患者的100颗经过内牙治疗的后牙.
- 牙被分为上边缘 (SGM) 和下边缘 (SubGM) 的DME组.
- 临床结果 (边缘完整性,变色,牙炎) 通过使用USPHS修改的标准在24个月内进行评估.
主要成果:
- 整体24个月生存率为97%,SGM (98%) 和SubGM (96%) 组之间没有显著差异.
- 在所有评估参数中观察到最小的退化,没有二次.
- 两组之间在牙健康和患者满意度方面发现了轻微而无意义的差异.
结论:
- 深度边缘升高 (DME) 是一种临床有效的技术,用于恢复内牙治疗的牙中深度下边缘.
- 当遵循适当的隔离和粘附协议时,DME在短期的临床表现中表现出与supragingival边缘相当的效果.
- 在CAD/CAM修复中,DME提供了一种对外科冠状延长进行保守的替代方案,用于管理下边缘.
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