口腔医学研究 ›› 2016, Vol. 32 ›› Issue (11): 1196-1199.DOI: 10.13701/j.cnki.kqyxyj.2016.11.021

• 临床研究论著 • 上一篇    下一篇

CAD/CAM导板在牙种植备孔中的精度分析

王金生1,徐良伟2,蒋晨波1,许办2*,邵利民3,张菲菲4   

  1. 1. 兰溪市人民医院口腔科 浙江 金华 321199;
    2. 浙江工业大学 浙江 杭州 310000;
    3. 兰溪邵小伟中医院口腔科 浙江 金华 321102;
    4. 浙江大学医学院附属第二医院口腔科 浙江 杭州 310009
  • 收稿日期:2016-04-25 出版日期:2016-11-25 发布日期:2016-11-25
  • 通讯作者: 许办,E-mail:335445478@qq.com
  • 作者简介:王金生(1965~ ),男,兰溪人,副主任医师,学士,主要从事口腔科临床治疗工作。
  • 基金资助:
    兰溪市科技计划项目(编号:2014C04)

Accuracy of CAD/CAM Template for Implant Site Preparation

WANG Jin-sheng1, XU Liang-wei2, JIANG Chen-bo1, XU Ban2*, SHAO Li-min3, ZHANG Fei-fei4   

  1. 1. Department of Stomatology, Lanxi Peoples'Hospital, Jinhua 321199, China;
    2. Zhejiang University of Technology, Hangzhou 310000, China;
    3. Shao Xiaowei Traditional Chinese Medicine Hospital of Lanxi City, Jinhua 321102, China;
    4. Department of Stomatology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310009, China
  • Received:2016-04-25 Online:2016-11-25 Published:2016-11-25

摘要: 目的:通过CBCT扫描以及计算机辅助设计、制造技术(CAD/CAM)制作口腔种植导板,然后评价该类导板在手术备孔中的精度。方法:利用口腔锥形束CT(ConeBeamCT,CBCT)扫描6位患者的上下颌骨,获得颌骨数据后,利用医学种植软件和快速成型技术制作CAD/CAM导板。依靠导板植入24颗种植体,术后再次拍摄CBCT,配准术前、术后数据,测量种植体在预期位置上的偏离值。结果:种植体植入后颈部偏离值为(1.03±0.55) mm,顶端偏离值(1.19±0.56) mm,角度偏离值 (3.12±2.64)°。结论:CAD/CAM种植导板能够有效地将设计方案转移到手术过程中,降低手术风险,获得较高精度,有较高的临床应用价值。

关键词: CAD/CAM, 种植导板, 精度, CBCT

Abstract: Objective: To evaluate the accuracy of the CAD/CAM implant template based on CBCT data for dental implants preparation. Methods: Jaws from 6 patients were scanned using cone beam computed tomography (CBCT). The CT data was used to fabricated CAD/CAM implant templates. Twenty-four implants were inserted in edentulous patients using CAD/CAM implant templates. All patients had CBCT scanning again after operation. Preoperative and postoperative computed tomographic images were compared, and the deviations between actual and planned implants were measured. Results: With the help of CAD/CAM implant templates, the neck deviation of the implant was 1.03±0.55mm, apical deviation was 1.19±0.56mm, and axis deviation was 3.12±2.64°. Conclusion: The CAD/CAM implant template can accurately transfer the preoperative design, reduce the risk of operation, and is worth for clinical use.

Key words: CAD/CAM, Implant template, Accuracy, CBCT

中图分类号: