数字化无牙颌种植印模准确度体外比较研究

doi:10.13701/j.cnki.kqyxyj.2023.10.005

口腔医学研究 ›› 2023, Vol. 39 ›› Issue (10): 875-879.DOI: 10.13701/j.cnki.kqyxyj.2023.10.005

数字化无牙颌种植印模准确度体外比较研究

程婧^1,2, 刘海林³, 卓向阳³, 李瑞莺^1,2*

1.厦门医学院附属口腔医院急诊综合科福建厦门 360001;
2.厦门市口腔疾病诊疗重点实验室福建厦门 360001;
3.京品医学科技(北京)有限公司北京 101300

收稿日期:2023-07-19 出版日期:2023-10-28 发布日期:2023-10-25
通讯作者: *李瑞莺,E-mail:2373109475@qq.com
作者简介:程婧(1991~),女,福州人,硕士,主治医师,研究方向:无牙颌种植修复。

Comparative Analysis of Precision of Various Digital Impressions for Full-arch Implant-supported Prosthesis

CHENG Jing^1,2, LIU Hailin³, ZHUO Xiangyang³, LI Ruiying^1,2*

1. Department of Emergency and General Dentistry, Stomatological Hospital of Xiamen Medical College, Xiamen 360001, China;
2. Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 360001, China;
3. Jingpin Medical Technology (Beijing) Co,. Ltd. , Beijing 101300, China

Received:2023-07-19 Online:2023-10-28 Published:2023-10-25

摘要/Abstract

摘要： 目的: 评估在上颌无牙颌种植修复中传统印模、口内扫描技术、多单位桥辅助口内扫描技术及口外扫描技术的准确度差异。方法: 使用航空级铝合金制作上颌无牙颌标准模型(包含6枚种植体),采用传统印模法、口内扫描法、多单元桥辅助口内扫描法和口外扫描法分别制取印模,测量4种印模的三维误差,以评估其真实度和精确度。结果: 口外扫描法的三维差异较传统印模法、口内扫描法及多单位桥辅助口内扫描法低,其他3组之间无统计学差异。结论: 在本实验条件下,口外扫描法获取无牙颌种植印模的准确度更高。

关键词: 无牙颌, 口内扫描技术, 口外扫描技术

Abstract: Objective: To evaluate the accuracy of conventional impression, intraoral scanning, multi-unit bridge-assisted intraoral scanning, and stereophotography techniques for maxillary full-arch implant-supported prosthesis. Methods: An aircraft-grade aluminium alloy model of the maxillary edentulous jaw, encompassing six implants, was constructed. Impressions were acquired through conventional techniques, intraoral scanning, multi-unit bridge-assisted intraoral scanning, and stereophotography techniques. The three-dimensional deviation in each of these impressions was measured to evaluate the trueness and precision. Results: The three-dimensional deviation exhibited by stereophotography techniques was less than that of the conventional impression, intraoral scanning, and multi-unit bridge-assisted intraoral scanning. However, there was no statistically significant difference amongst the latter three groups. Conclusion: The stereophotography technique demonstrates superior trueness and precision, establishing itself as an optimal technique for full-arch implant-supported prosthesis.

Key words: edentulous jaw, intraoral scanning, stereophotography technique

程婧, 刘海林, 卓向阳, 李瑞莺. 数字化无牙颌种植印模准确度体外比较研究[J]. 口腔医学研究, 2023, 39(10): 875-879.

CHENG Jing, LIU Hailin, ZHUO Xiangyang, LI Ruiying. Comparative Analysis of Precision of Various Digital Impressions for Full-arch Implant-supported Prosthesis[J]. Journal of Oral Science Research, 2023, 39(10): 875-879.

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数字化无牙颌种植印模准确度体外比较研究

Comparative Analysis of Precision of Various Digital Impressions for Full-arch Implant-supported Prosthesis

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