圆束计算机断层扫描评估迷你螺杆植入物根的近距离及其与故障的相关性
Hyeon-Shik Hwang1,2, Hyun-Jung Lee1, Seung-Weon Lim3
1Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Korea.
BMC oral health
|July 27, 2025
概括
靠近根部的位置显著增加了 ортодонтика迷你螺杆故障的风险. 圆束计算机断层扫描 (CBCT) 可以精确地测量这种近距离,有助于预测小型螺杆植入物成功.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 牙科植入物学 牙科植入物学
- 生物材料是一种生物材料.
背景情况:
- ортодонтика迷你螺杆 anchorage 通过防止不必要的牙移动,彻底改变了治疗方法.
- 迷你螺丝故障或松动通常与放置后接近牙根部有关.
研究的目的:
- 通过使用圆束计算断层扫描 (CBCT) 来评估正义牙科微螺杆植入物根的近距离.
- 为了研究根的近距离和小螺丝故障率之间的相关性.
主要方法:
- 追溯分析47个CBCT扫描的小螺杆放置在上第一牙和第二前牙之间.
- 在重新定位的CBCT图像中测量根附近的存在和数量.
- 使用奇平方和逻辑回归来分析微螺杆故障的相关性分析 (在第一个月内松动).
主要成果:
- 靠近根部的微螺丝在一个月内出现52.4%的故障率,而没有.
- 迷你螺杆故障的可能性是根部附近的2.1倍.
- 统计学显著性证实了根的近距离和微型螺杆故障之间的差异.
结论:
- 根的近距离是影响根间小螺杆故障的一个主要因素.
- 一种新的CBCT测量方法可以改善故障预测.
- 并非所有靠近根部的小螺丝都会失效,这凸显了需要精确评估的必要性.
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