在约旦人群中使用两个分类系统的前永久牙的根运河形态:一个形光束计算断层扫描研究
Nessrin A Taha1, Nisrein Makahleh2, Fatma Pertek Hatipoglu3
1Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Box 3030, Irbid, Jordan. n.taha@just.edu.jo.
BMC oral health
|February 2, 2024
概括
前牙经常表现出根管变异,其中四分之一偏离了简单的I型配置. 了解这些根管形态对于成功的内牙治疗至关重要.
科学领域:
- 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
- 放射学 放射学是一门学科.
背景情况:
- 对根管形态的准确知识对于成功的根管治疗和避免治疗失败至关重要.
- 根和道解剖学的变化在内牙科手术中带来了挑战.
研究的目的:
- 为了研究下前牙的根和道形态.
- 评估两个分类系统 (Vertucci和Ahmed) 对于描述这种形态的适用性.
主要方法:
- 分析了来自557名患者的3342个下前牙的圆束计算机断层扫描 (CBCT) 扫描.
- 图像使用专用软件进行了评估,在 sagittal,轴向和冠状视图中进行了评估.
- 根和道形态被根据Vertucci和Ahmed系统分类.
主要成果:
- 第一种类型的道配置在切口动物和犬类动物中最为普遍 (76%).
- 根据艾哈迈德分类,显著的变化包括III型 (20.6%) 和两根根 (1.1%) 在狗和雌性中显著的流行,根据艾哈迈德分类.
- 80%的牙没有分歧/合并,分叉主要在根的中间三分之一.
结论:
- 大部分 (四分之一) 的下前牙表现出除了简单的I型以外的道配置,需要仔细考虑内牙科.
- 艾哈迈德分类系统提供了更全面的根管形态描述,包括Vertucci系统不涵盖的特征.
- 较低前牙的第二道和中根分叉的流行突出了需要精细的内牙治疗来保持牙的完整性.
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