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微计算机断层扫描 (micro-CT) 对尾下前与临床征兆呈现有关的分析:一个体外试验研究
Samsudin Nurulaqmar Iwani1,2, Marlena Kamaruzaman1, Afiq Azizi Jawami1
1Centre of Comprehensive Care Studies, Faculty of Dentistry, Universiti Teknologi MARA, Sg Buloh, Selangor, Malaysia.
The Saudi dental journal
|February 20, 2024
概括
临床迹象在下面的前显著改变顶峰孔 (AF) 到顶峰的长度,影响根管形态. 这一发现为牙医提供了关于顶解剖变异的宝贵见解.
科学领域:
- 牙科 牙科是指牙科的专业.
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科解剖学 牙科解剖学
背景情况:
- 根管形态的解剖学变异,包括孔 (AF) 和缩 (AC),在不同类型的牙中很常见.
- 三维微型计算机断层扫描 (micro-CT) 是研究这些详细的顶结构的复杂工具.
研究的目的:
- 测量从顶峰孔到顶峰 (AFA) 的长度,以及在下面的前上到顶峰的生理长度.
- 分析下前中平均AFA,以确定临床症状的存在或不存在.
主要方法:
- 使用微型CT (ZEISS X-Radia,17微米分辨率) 分析了80颗下方前牙.
- 使用Drishti软件 (V3.0) 重建了根通道AF和AC.
- 测量AFA,顶部收缩到顶部 (ACA) 和AF到AC (AFC) 都以毫米计.
主要成果:
- 超过一半的下前 (58.8%) 呈现出临床症状.
- 在非临床 (0.59毫米) 和临床 (0.47毫米) 组之间的平均AFA中发现了显著的差异 (p=0.013).
- 在临床和非临床组之间没有检测到平均ACA或AFC的显著差异.
结论:
- 临床迹象在下面的前主要影响顶孔的位置和长度,对顶收缩的影响较小.
- 了解这些尖端形态变化对于有效的内牙治疗规划和临床实践至关重要.
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