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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Accuracy of Cone Beam Computed Tomography in Diagnosis and Treatment Planning of Periodontal Bone Defects: A Case Report
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Accuracy of Cone Beam Computed Tomography in Diagnosis and Treatment Planning of Periodontal Bone Defects: A Case Report

机译：锥形束计算机断层扫描在牙周骨缺损诊断和治疗计划中的准确性：一例报告

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Diagnosis of periodontitis depend mostly on traditional two-dimensional (2-D) radiographic assessment. Regardless of efforts in improving reliability, present methods of detecting bone level changes over time or determining three-dimensional (3-D) architecture of osseous defects are lacking. To improve the diagnostic potential, an imaging modality which would give an undistorted 3-D vision of a tooth and surrounding structures is imperative. Cone beam computed tomography (CBCT) generates 3D volumetric images which provide axial, coronal and sagittal multi-planar reconstructed images without magnification and renders image guidance throughout the treatment phase. The purpose of this case report was to introduce the clinical application of a newly developed, CBCT system for detecting alveolar bone loss in 21-year-old male patient with periodontitis. To evaluate the bone defect we took an intraoral radiograph and performed CBCT scanning on mandibular left first molar tooth and compared their images. CBCT images of mandibular left first molar showed the extension of furcation involvement, its distal root is devoid of supporting bone and it has only lingual cortical plate which were not shown precisely by the conventional intraoral radiograph. So we consider that the use of latest adjuncts like CBCT is successful in diagnosing periodontal defects.
机译：牙周炎的诊断主要取决于传统的二维（2-D）射线照相评估。无论如何努力提高可靠性，都缺乏检测骨水平随时间变化或确定骨缺损的三维（3-D）结构的现有方法。为了提高诊断潜力，必不可少的是要能够提供牙齿和周围结构的3-D视觉不失真的成像方式。锥形束计算机断层扫描（CBCT）生成3D体积图像，这些图像无需放大即可提供轴向，冠状和矢状多平面重建图像，并在整个治疗阶段提供图像引导。本病例报告的目的是介绍一种新开发的CBCT系统的临床应用，该系统可用于检测21岁男性牙周炎患者的牙槽骨丢失。为了评估骨缺损，我们进行了口内X射线照相，并对下颌左第一磨牙进行了CBCT扫描，并比较了它们的图像。下颌左第一磨牙的CBCT图像显示了分叉累及的扩展，其远端根没有支撑骨，并且仅具有舌侧皮质板，而传统的口腔X线摄片无法准确显示。因此，我们认为使用最新的辅助设备（如CBCT）可以成功地诊断牙周缺损。

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