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在牙后牙切割过程中,CBCT是否有助于估计口腔沟通的风险?

Yu-Ting Ma¹, Rui Sun², Rong Wang³

¹Resident, State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University.

Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

|August 29, 2025

概括

圆束计算机断层扫描 (CBCT) 通过检测鼻腔底部缺陷有效地识别了口腔沟通 (OAC) 的风险. 在牙拔牙过程中预测OAC的可靠性较低.

科学领域:

牙科学
口腔和面外科
放射学

背景情况:

腔沟通 (OAC) 是尾后牙切除的常见并发症.
不同的成像方法用于识别OAC风险的诊断价值尚未得到充分确立.

研究的目的:

评估周围放射和圆束计算机断层扫描 (CBCT) 发现与OAC发生之间的关联.
评估CBCT在牙后部拔牙过程中对OAC风险的临床必要性.

主要方法:

一项回顾性队列研究分析了69名接受尾后牙切除的患者.
使用周周图像和CBCT评估了OAC的放射性风险因素.
进行了统计分析,包括95%置信区间的赔率比率 (ORs).

主要成果:

观察到五例 (7. 2%) 的OAC.
周围图像检测结果 (根顶重叠或突出) 与OAC没有显著关联.
在CBCT检测中发现的上鼻床连续性缺陷与OAC显著相关 (OR=2. 9,P=. 0072).

结论:

在CBCT上可视化的鼻底骨连续性缺陷与OAC有关.
周围的X射线检查不足以预测OAC的风险.
当怀疑根突出进入鼻时,建议使用CBCT,但如果只存在根重叠,则可能不必要.

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