在南印度患者中,用计算机断层测量口架尺寸的测量,这些患者患有三角形骨III类缺陷:一项回顾性研究
Havisha Nookala1, Swapna Sreenivasagan1, Arvind Sivakumar2
1Orthodontics and Dentofacial Orthopedics, Saveetha Dental College and Hospital, Saveetha University, Chennai, IND.
Cureus
|September 25, 2023
概括
这项研究发现,在南印度的III类缺陷性闭塞患者中,迷你螺丝的最佳放置位置是第二牙的distobuccal cusp区域. 这个区域提供了最大的下口架骨厚度,以获得稳定的定.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 牙科解剖学 牙科解剖学
- 放射学 放射学是一门学科.
背景情况:
- 口口腔架 (MBS) 厚度在骨III类缺陷中因生长和种族而有显著差异.
- 形束计算断层扫描 (CBCT) 对于评估这些解剖变异至关重要.
- 了解MBS的厚度对于成功地放置额外膜迷你螺丝至关重要.
研究的目的:
- 为了确定南印度患者的MBS地区的总和皮层骨厚度,III类恶性塞.
- 在这个群体中,确定最佳的解剖部位,用于额外气膜迷你螺丝的放置.
主要方法:
- 对德拉维斯族患有III级骨缺陷的骨患者进行了回顾性CBCT分析.
- 在三个解剖部位,深度和角度评估总和皮层骨厚度.
- 使用ANOVA,Tukey的HSD和Pearson相关性的统计分析.
主要成果:
- 在第二个根的远端部分发现的最大骨厚度,距离CEJ8-12毫米,角为30-45° (p<0.005).
- 在低分歧生长模式和骨厚度增加之间观察到正相关性.
- 第二个牙的distobuccal cusp区域是迷你螺丝放置的首选地点.
结论:
- 在III类患者中,建议在第二牙 (8-12毫米深度,30-45°角) 的distobuccal cusp区域进行小型螺丝安置.
- 低分歧的生长模式与更宽,更厚的下口支架有关.
- 这些发现有助于优化正牙治疗计划和迷你螺丝杆的稳定性.
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