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关节形态的三维评估在上或上受影响的个体中:基于CBCT的回顾性研究
1Department of Orthodontics, Faculty of Dentistry, İnönü University, Malatya 44280, Türkiye.
Diagnostics (Basel, Switzerland)
|February 13, 2026
概括
受冲击的狗牙与改变的关节形态有关. 圆束计算机断层扫描 (CBCT) 揭示了与对照对象相比,受影响的犬体的个体的圆体尺寸和关节空间的差异.
科学领域:
- 牙科 牙科是指牙科的专业.
- 矯正牙科 矯正牙科是一種矯正牙科.
- 放射学 放射学是指放射学
- 人体解剖学 解剖学 解剖学
背景情况:
- 受影响的狗牙是一种常见的牙异常.
- 受影响的狗和关节 (TMJ) 形态之间的关系需要进一步研究.
- 圆束计算断层扫描 (CBCT) 提供了面结构的详细3D成像.
研究的目的:
- 评估关节 (TMJ) 形态在受影响大和下犬牙的个体.
- 为了比较受影响的狗和对照组的个人之间的TMJ形态.
- 评估受影响的犬类对状体尺寸,关节空间和角度参数的影响.
主要方法:
- 回顾性研究包括80名参与者,分为受冲击的上犬 (n=30),受冲击的下犬 (n=20) 和对照 (n=30) 组.
- 使用3D Slicer软件分析了CBCT图像.
- 测量包括状骨的宽度,长度,位置,角度参数,关节空间和状骨体积;用于比较,使用了统计测试.
主要成果:
- 与受影响的两种犬群相比,对照组显示出显著更大的冠状骨宽度,冠状骨位置和角度,某些关节空间和冠状骨体积 (p < 0.05).
- 对于冠状骨宽度,冠状骨位置,冠状骨角和冠状骨体积 (p < 0.001) 发现了特定的显著差异.
- 大多数参数在受影响的上和下犬群之间没有显著差异;除状体积外,双边对称性在很大程度上保持了.
结论:
- 受影响的狗牙可以影响TMJ形态,影响状骨形态和关节空间.
- 在全面的正牙诊断和治疗计划中,应考虑TMJ形态以及在受影响的狗的情况下的牙因素.
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