牙根纵裂锥形束CT检查的伪影及诊断探讨

doi:10.13591/j.cnki.kqyx.2023.04.017

摘要/Abstract

摘要：

牙根纵裂(vertical root fractures,VRFs)是发生在牙根部的完全或不完全纵形裂开。近年来,口腔锥形束CT(cone beam CT,CBCT)由于其极高的空间分辨率被广泛应用于VRFs的诊断。但是,在CBCT图像上可能存在着各类伪影,这些伪影的存在大大影响了CBCT诊断VRF的准确性。该文对CBCT诊断VRFs中的常见伪影进行总结,并结合临床工作对如何在扫描中尽可能减少伪影及如何对伪影和折裂纹进行鉴别诊断加以探讨。

关键词: 锥形束CT, 牙根纵裂, 伪影

Abstract:

Vertical root fractures(VRFs)are complete or incomplete longitudinal fractures that occur in the root. In recent years, cone beam CT(CBCT)has been widely used in the diagnosis of VRFs because of its extremely high spatial resolution. However, various artifacts may exist on CBCT images, which will affect the performance of CBCT in diagnosing VRFs. In this paper, CBCT artifacts in the diagnosis of VRFs were reviewed, and how to reduce artifacts as much as possible in scanning, and differential diagnosis of artifacts and fracture lines were discussed.

Key words: cone beam CT, vertical root fracture, artifact

中图分类号:

曹丹彤,觧鑫,林梓桐. 牙根纵裂锥形束CT检查的伪影及诊断探讨[J]. 口腔医学, 2023, 43(4): 376-379.

CAO Dantong,XIE Xin,LIN Zitong. Artifacts and diagnosis of vertical root fractures using cone beam CT[J]. Stomatology, 2023, 43(4): 376-379.

图/表 2

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