Objective To study the role of KV-X CBCT on the geometricl accuracy of IMRT of nasopharyngeal carcinoma.
目的探讨KV-X线CBCT在鼻咽癌调强放射治疗位置精度保证中的应用。
Methods: 179 patients with 216 MTMs undertaken panoramic radiography and CBCT were retrospectively reviewed.
方法：对179名患者的216颗第三磨牙进行CBCT及全景片检查。
Hence, it can be proved that realizing CBCT in image-guided radiotherapy perfusion imaging by the proposed model was feasible.
该模型实现图像引导放疗中的锥束ct灌注成像是可行的。
Objective: This work was to analyze the set-up errors in image guided IMRT for tumors using the cone-beam computed tomography (CBCT).
目的探讨锥形束CT用于调强放疗分次间摆位误差测量。
Abstract: Objective to investigate the canal morphology of maxillary first premolar using cone-beam ct (CBCT) and to know its generic and variant forms.
摘要目的采用锥形束ct (CBCT)探讨上颌第一前磨牙根管的解剖形态，了解其常规形态及变异形态。
Abstract : Objective: To discuss the clinical value of cone beam computed tomography (CBCT) in diagnosis of submandibular gland and Wharton's duct sialoliths.
摘要目的：探讨锥形束CT（CBCT）对颌下腺结石的临床诊断价值。
Then this paper analyzed the geometric characteristics of CBCT system with a verticalstructure, and discussed the geometric parameters of a system with misaligned geometry.
然后重点分析了本文所使用的立式锥束CT系统的几何特点，对系统的几何误差参数进行了讨论。
Conclusions CBCT can analyze the configuration of root canals in a three-dimensional view, which is of prime importance in the diagnosis and treatment of C-shaped canals of mandibular second molars.
结论CBCT影像精密度高，可从三维角度分析根管，在根管治疗中诊断治疗下颌第二磨牙C型根管具有临床指导意义。
Conclusions CBCT can analyze the configuration of root canals in a three-dimensional view, which is of prime importance in the diagnosis and treatment of C-shaped canals of mandibular second molars.
结论CBCT影像精密度高，可从三维角度分析根管，在根管治疗中诊断治疗下颌第二磨牙C型根管具有临床指导意义。
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