两种正牙大伸缩方案对牙面部和骨的影响:骨与面罩对比
Maike Tabellion1, Jörg Alexander Lisson2
1Department of Orthodontics (G56), Saarland University, Kirrberger Strasse 100, 66424, Homburg, Saar, Germany. maike.tabellion@uks.eu.
Head & face medicine
|October 18, 2024
概括
使用骨或面罩进行大伸展可以纠正III类缺陷. 骨提供减少的副作用和增加的骨的好处,为正治疗.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 面外科手术 面外科手术
- 牙科研究 牙科研究
背景情况:
- 第三类缺陷通常是尾逆转或下前的结果.
- 对于III类缺陷,存在各种正牙治疗策略.
- 这项研究比较了两个大伸缩方法:骨与Delaire面罩.
研究的目的:
- 为了比较骨固定大延伸与Delaire面罩延伸的有效性.
- 为了评估大,下和切口的倾斜度的头度变化.
- 评估软组织的变化,并确定每个方案的潜在副作用.
主要方法:
- 一项临床比较研究,涉及31名III类坏闭症患者.
- 患者被分为两组:骨延伸 (n=12) 和面罩延伸 (n=19).
- 分析了头部计量放射图以测量骨和牙,并使用Shapiro-Wilk和T-Tests进行统计分析.
主要成果:
- 这两种方案都改善了SNA角度和Wits评估,表明上腺的提升.
- 面罩延伸导致大切口的倾斜更大,ML-SN角的增加更大.
- 骨组经历了14.58%的松动率.
结论:
- 骨和面罩延伸都有效地纠正了III类缺陷.
- 部伸展的骨 anchorage 减少不必要的副作用,并提高骨的结果.
- 建议进行长度研究,以证实长期治疗在增长冲击后的疗效.
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