探究锁定表面模式对全牙列扫描精度的影响

doi:10.13701/j.cnki.kqyxyj.2025.05.008

口腔医学研究 ›› 2025, Vol. 41 ›› Issue (5): 400-405.DOI: 10.13701/j.cnki.kqyxyj.2025.05.008

探究锁定表面模式对全牙列扫描精度的影响

纪建华¹, 查旭喆¹, 魏路明², 郭慧颖², 袁长永^1,2, 王鹏来^1,2*

1.徐州医科大学口腔医学院江苏徐州 221004;
2.徐州医科大学附属口腔医院种植中心江苏徐州 221002

收稿日期:2024-12-18 出版日期:2025-05-28 发布日期:2025-05-26
通讯作者: ^*王鹏来,E-mail:wpl0771@163.com
作者简介:纪建华(1998~ ),男,江苏扬州人,硕士,医师,主要从事口腔种植学相关研究。
基金资助:
徐州市临床前沿技术项目(编号:KC23150、KC23221)

Study on Effect of Locking Surface Patterns on Accuracy of Full-arch Scanning

JI Jianhua¹, ZHA Xuzhe¹, WEI Luming², GUO Huiying², YUAN Changyong^1,2, WANG Penglai^1,2*

1. School of Stomatology, Xuzhou Medical University, Xuzhou 221004, China;
2. Department of Implantology, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou 221002, China

Received:2024-12-18 Online:2025-05-28 Published:2025-05-26

摘要/Abstract

摘要： 目的: 探究不同表面锁定模式对于全牙列扫描精度(包括准确度和精密度)的影响。方法: 使用计算机辅助设计与制造技术完成实验模型的设计与3D打印。然后,采用不同的锁定表面模式(P1:不锁定表面;P2:锁定1/4牙弓表面;P3:锁定1/2牙弓表面和P4:锁定3/4牙弓表面)依次采集上、下颌标准树脂牙列模型的口内光学扫描数据(n=10),并与牙颌模型扫描仪所获数据进行比较,以分析不同锁定表面模式间所获印模精度之间的差异。结果: 在准确度与精密度评价中,P2模式测得的Δd2~Δd4值均显著大于其他模式,差异具有统计学意义(P＜0.05);此外,无论是准确度还是精密度,各锁定模式下扫描所测得的Δd3和Δd4值,均表现为下颌大于上颌,差异具有统计学意义(P＜0.05)。结论: 不同的锁定表面模式会显著影响全牙列扫描的精度,其中锁定表面位于后牙区咬合面时能够获得相对高的扫描精度。

关键词: 精度, 数字化印模, 口内扫描仪, 锁定表面

Abstract: Objective: To explore the effect of different locking surface patterns on the accuracy (including trueness and precision) of full-arch scanning. Methods: The design and 3D printing of the experimental models were accomplished using computer-aided design and computer-aided manufacturing (CAD/CAM) techniques. Then, different surface locking patterns (P1: no locking pattern; P2: locking 1/4 arch surface; P3: locking 1/2 arch surface, and P4: locking 3/4 arch surface) were used to sequentially collect intraoral optical scanning data (n=10) of the standard resin dental models. These data were compared with the data obtained by the dental laboratory scanner to analyze the differences in the accuracy of the impressions obtained. Results: In the evaluation of trueness and precision, the Δd2-Δd4 values measured using the P2 were significantly greater than those of the other groups (P<0.05). Additionally, both trueness and precision assessments of the Δd3 and Δd4 values measured in the scans of each locking surface pattern were higher for the mandible compared to the maxilla (P<0.05). Conclusion: Different surface locking patterns significantly influenced the accuracy of full-arch scanning, with relatively high scanning accuracy achieved when the locking surface was positioned on the occlusal surface of the posterior region.

Key words: accuracy, digital impression, intraoral scanner, locking surface

纪建华, 查旭喆, 魏路明, 郭慧颖, 袁长永, 王鹏来. 探究锁定表面模式对全牙列扫描精度的影响[J]. 口腔医学研究, 2025, 41(5): 400-405.

JI Jianhua, ZHA Xuzhe, WEI Luming, GUO Huiying, YUAN Changyong, WANG Penglai. Study on Effect of Locking Surface Patterns on Accuracy of Full-arch Scanning[J]. Journal of Oral Science Research, 2025, 41(5): 400-405.

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探究锁定表面模式对全牙列扫描精度的影响

Study on Effect of Locking Surface Patterns on Accuracy of Full-arch Scanning

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