具有不同前后关系的受试者中的牙气囊特征:一个回顾性的横截面圆束计算机断层扫描研究
Obada Rawaqa1, Kazem S AlNimri1, Elham S Abu Alhaija2
1Division of Orthodontics, Preventive Dentistry Department, Faculty of Dentistry, Jordan University of Science and Technology, P.O. Box 3030, Irbid, Jordan.
BMC oral health
|December 31, 2024
概括
ортодонтика牙尺寸和骨厚度在不同的缺陷类别之间有很大的差异. 二级二级二级对象的牙大小和骨厚度增加,而三级三级对象的根长度更长.
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.
- 牙科解剖学 牙科解剖学
背景情况:
- 牙的尺寸,根的长度和膜骨的厚度对于正牙诊断和治疗规划至关重要.
- 膜骨的厚度决定了牙的运动限制,而角则影响了与皮质板相对的根部位置.
研究的目的:
- 为了比较角,牙尺寸,牙根长度和上下切口,牙和前牙的膜骨厚度.
- 分析这些参数在不同的前后骨关系 (缺陷类) 中.
主要方法:
- 分析了89名患者的圆束计算机断层扫描 (CBCT) 扫描.
- 根据切肢关系,患者被分为四组:I类,II类Div1,II类Div2和III类.
- 测量包括使用专用软件测量角,冠状尺寸 (宽度,高度,厚度),根长度和膜骨厚度.
主要成果:
- 二级二级二级的受试者在上切口上呈现出增加的结合角,更大的冠状尺寸 (宽度,高度,厚度) 和增加的膜骨厚度.
- 第三类受试者表现出更长的根长度在上第一前,上中央切口,下第一和第二前.
结论:
- 类II Div 2缺陷与明显的形态特征有关,包括更大的牙大小和更厚的膜骨.
- 第三类恶性闭塞的特点是特定牙的根长度较长,影响了正牙学的考虑.
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