定制套套参数在静态引导的内牙接入:影响偏差控制在脉通道消字
Anna Muryani1,2, Dudi Aripin2, Hendra Dian Adhita Dharsono2
1Doctoral Programme Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia.
Clinical, cosmetic and investigational dentistry
|December 30, 2025
概括
静态引导内接入 (SGEA) 具有定制的石袖子显著提高了精度与免费接入相比,用于治疗脉通道消灭 (PCO). 一个7毫米的合金套件证明了最高的精度,降低了内牙程序中的风险.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科材料科学 牙科材料科学
- 生物医学工程 生物医学工程
背景情况:
- 脉通道消灭 (PCO) 在内牙治疗中存在重大挑战,原因是根管狭窄.
- 在PCO病例中,传统的自由手访问 (FHA) 增加了阳性错误的风险.
- 静态引导内牙接入 (SGEA) 为精确的根管接入提供了一个潜在的解决方案.
研究的目的:
- 为了评估静态引导内牙接入 (SGEA) 的准确性,使用不同材料和高度的定制袖子.
- 为了比较SGEA的精度与传统的自由手访问 (FHA) 在模拟的脉通道消灭 (PCO) 中.
主要方法:
- 一项体外研究使用了48个树脂大切割刀与模拟的PCO,使用CBCT,口内扫描仪和3D打印创建.
- 样品被分为八个组,包括FHA,一个控制,和六个SGEA组与定制的- (CoCr) 和袖在3,5,和7毫米的高度.
- 使用CBCT扫描分析了冠状和角偏差,通过单向ANOVA和Bonferroni测试进行统计分析.
主要成果:
- 所有SGEA组的角度偏差明显低于FHA (p < 0.05).
- 体7毫米袖组显示出最低的平均冠状 (1.83°) 和斜面 (2.48°) 偏差.
- 增加的袖子高度增强了角度精度,而石表现出比CoCr和更优越的维度稳定性.
结论:
- 与PCO的FHA相比,SGEA技术显著提高了控制钻井偏差的准确性.
- 定制的3D打印的Zirconia袖子,特别是7毫米高的袖子,在消灭的道中提供了最佳的精度,可以在内通道中获得内通道.
- 对于SGEA在PCO治疗中的临床应用,建议进行进一步的体内验证.
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