圆束计算机断层扫描 在德拉维达人群中研究切通道和大中央切口器
Abirami Selvaraj1, Aravind Kumar Subramanian1
1Orthodontics and Dentofacial Orthopedics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND.
Cureus
|August 5, 2024
概括
在双突出的上切口收缩需要理解切口-切口通道关系. 圆束计算机断层扫描 (CBCT) 显示了5-6毫米的距离,减少了在正牙治疗期间通道入侵的风险.
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 放射学是一门学科.
背景情况:
- 在Angle的I类双牙膜突起和Angle的II类1区间缺陷中,大质量上前部收缩对于实现美学概况至关重要.
- 了解大切口和切口通道之间的空间关系对于安全有效的正牙收缩至关重要.
研究的目的:
- 通过使用圆束计算断层扫描 (CBCT) 来评估尾切口和切口通道在Angle的I类双突出和Angle的II类第1部分缺陷中的配置关系.
主要方法:
- 对108个成年人CBCT扫描的回顾性分析 (54个骨I类双突出,54个骨II类第1部分缺陷).
- 在三个垂直水平上测量角度 (平面到气囊边缘,切口通道,大中央切口) 和线性距离 (切口通道宽度,根间距离).
- 使用斯皮尔曼相关性和曼-惠特尼U测试进行统计分析.
主要成果:
- 在两组中,从切口根到切口通道的估计距离为5-6毫米,骨类和垂直水平的影响较小.
- 在所有三个垂直水平 (p<0.05) 上,在不良闭合组之间发现了线性测量中的显著差异.
- 切口通道角 (θ2) 与其他角度测量 (p<0.05) 相比,显示出缺陷之间的显著差异.
结论:
- 在这些缺陷中,状根通道皮质板距离始终为5-6毫米.
- 后面的根间距离超过了切口通道宽度,这表明在最大前牙收缩期间,切口通道入侵的风险较低.
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