Clinical study of precision analysis and deviation control of a domestic guide plate-assisted edentulous implant surgery

植入 口腔正畸科 绝对偏差 牙科 锥束ct 医学 材料科学 计算机断层摄影术 数学 外科 统计
作者
Yulei Pan,Yeying Tu,Ting Wang,Jinming Liang,Haiyan Lin
出处
期刊:Journal of Stomatology, Oral and Maxillofacial Surgery [Elsevier BV]
卷期号:124 (2): 101328-101328 被引量:2
标识
DOI:10.1016/j.jormas.2022.11.004
摘要

To evaluate the accuracy of a domestic digital implant guide plate to assist edentulous implant surgery, analyze the sources of deviation, and reduce the deviation of the guide plate. In total, 14 edentulous patients were selected, and 100 implant sites were measured. The preoperative cone beam computerized tomography (CBCT) data were imported into the software to design and fabricate the guide plate. After implant surgery,the data were imported for 3D reconstruction and alignment model was exported into the Geomagic Studio software for deviation measurement. Analysis of the overall accuracy of the domestic guide plate showed deviation of the implant neck center, horizontal direction, implant base center, depth, and angle of 0.83 ± 0.27 mm, 0.39 ± 0.17 mm, 1.11 ± 0.35 mm, 0.45 ± 0.19 mm, and 3.16 ± 1.73°. There were not statistically significant difference (p>0.05) between the tooth/mucosa-supported guide plate and the mucosa-supported, mandibular guide plate and maxillary, vertical implantation and inclined, anterior implant sites and posterior teeth. There was a statistically significant difference (p<0.05) between the use of the modified non-pressure plate tool box and the pressure plate tool box. First, the domestic implant guide plate can significantly improve the accuracy and efficiency in edentulous implant surgery. Second, the accuracy of the tooth/mucosa-supported guide plate is higher than mucosa-supported guide plate. Third, the accuracy of the new tool box without pressure plate is improved.
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