第二个前的正牙提取:对气道体积的影响
Miodrag Mladenovic1, Simon Freezer1, Craig Dreyer1
1Orthodontic Unit, Adelaide Dental School, The University of Adelaide, Adelaide, South Australia, Australia.
概括
与非提取病例相比,第二前列腺提取并没有显著改变气道体积变化. 自然增长,特别是气道长度和收缩面积的增加,在两组中都导致了气道体积的增加.
科学领域:
- 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.
- 人体解剖学 解剖学 解剖学
背景情况:
- 第二前列腺抽取对气道体积的影响还没有得到充分的证据.
- 这项研究调查了接受第二前提取与非提取治疗的正牙患者的体积呼吸道变化.
研究的目的:
- 为了比较抽取和非抽取组的牙科治疗前和后的气道体积变化.
- 为了确定影响这些体积变化的因素.
主要方法:
- 从54名提取和59名非提取患者的形束计算放射扫描的回顾性分析.
- 使用包括ANOVA和回归分析在内的统计方法分析了体积,线性和角度测量.
主要成果:
- 提取和非提取组都显示了气道体积的显著增加 (P < 0.05).
- 两组之间没有观察到气道体积增加的大小的显著差异.
- 最小收缩区域和气道长度的变化显著影响了气道体积,占变化的70%.
结论:
- 在两个正牙治疗组中,气道体积都增加了,不管是第二前提取.
- 气道长度增加和最小收缩面积是气道体积扩张的主要驱动因素.
- 这些观察到的变化很可能归因于在正牙治疗期间的自然生长过程.
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