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• W2984778052 abstract "The aim of this study is to build a digital dental model with cone beam computed tomography (CBCT), to fabricate a virtual model via 3D printing, and to determine the accuracy of 3D printing dental model by comparing the result with a traditional dental cast.CBCT of orthodontic patients was obtained to build a digital dental model by using Mimics 10.01 and Geomagic studio software. The 3D virtual models were fabricated via fused deposition modeling technique (FDM). The 3D virtual models were compared with the traditional cast models by using a Vernier caliper. The measurements used for comparison included the width of each tooth, the length and width of the maxillary and mandibular arches, and the length of the posterior dental crest.3D printing models had higher accuracy compared with the traditional cast models. The results of the paired t-test of all data showed that no statistically significant difference was observed between the two groups (P>0.05).Dental digital models built with CBCT realize the digital storage of patients' dental condition. The virtual dental model fabricated via 3D printing avoids traditional impression and simplifies the clinical examination process. The 3D printing dental models produced via FDM show a high degree of accuracy. Thus, these models are appropriate for clinical practice.目的 基于锥形术CT（CBCT）数据构建患者数字化模型，应用3D打印技术制作牙颌实体模型并评估其精确度。方法 通过Mimics 10.01软件处理正畸临床患者CBCT数据，并结合Geomagic studio三维软件制作牙颌数字化模型，导入MakerBot Replicator2X型3D打印机中，采用熔融沉积技术（FDM）制作聚乳酸材料的上下颌实体模型。比较3D打印模型与传统石膏模型的牙冠近远中径、牙弓长度和宽度及后牙牙尖三角嵴长度测量值。结果 3D打印牙颌模型和传统石膏模型的测量数据经配对样本t检验，无统计学差异（P>0.05）。结论 采用CBCT构建数字化模型具有可行性，能够简化正畸检查流程、实现患者牙颌状况的数字化存储。采用3D打印制作牙颌模型精确度良好，可用于正畸临床。." @default.
• W2984778052 created "2019-11-22" @default.
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• W2984778052 date "2018-04-01" @default.
• W2984778052 modified "2023-10-18" @default.
• W2984778052 title "[Fabrication and accuracy research on 3D printing dental model based on cone beam computed tomography digital modeling]." @default.
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• W2984778052 doi "https://doi.org/10.7518/hxkq.2018.02.008" @default.
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