三维打印全口义齿树脂基托尺寸稳定性的研究

doi:10.13701/j.cnki.kqyxyj.2024.01.008

口腔医学研究 ›› 2024, Vol. 40 ›› Issue (1): 40-45.DOI: 10.13701/j.cnki.kqyxyj.2024.01.008

三维打印全口义齿树脂基托尺寸稳定性的研究

李恺¹, 张燕², 艾林¹, 赵艳芳³, 吴玉禄^4*, 王璀蕾⁴

1.中国人民解放军空军军医大学空军第九八六医院口腔科陕西西安 710054;
2.口颌系统重建与再生全国重点实验室,国家口腔疾病临床医学研究中心,陕西省口腔医学重点实验室,空军军医大学第三附属医院口腔修复科陕西西安 710032;
3.北京大学第三医院口腔科北京 100191;
4.空军军医大学第三附属医院口腔修复工艺科陕西西安 710032

收稿日期:2023-07-11 出版日期:2024-01-28 发布日期:2024-01-22
通讯作者: ^*吴玉禄,E-mail:xiufu2004@126.com
作者简介:李恺(1987~ ),男,四川绵阳人,博士,主治医师,研究方向:口腔生物力学与生物材料学。
基金资助:
西京医院学科助推计划(编号:XJZT21CM46)空军军医大学第三附属医院新技术重点项目(编号:LX2021-202)空军军医大学军事医学提升项目(编号:2021JSTS26)

Study on Dimensional Stability of Resin Substrates for 3D Printed Complete Dentures

LI Kai¹, ZHANG Yan², AI Lin¹, ZHAO Yanfang³, WU Yulu^4*, WANG Cuilei⁴

1. Department of Stomatology, No.986 Hospital of Air Force Medical University, Xi'an 710054, China;
2. State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, The Third Hospital Affiliated of Air Force Military Medical University, Xi'an 710032, China;
3. Department of Stomatology, Third Hospital of Peking University, Haidian District, Beijing 100191, China;
4. Department of Dental Laboratory, The Third Hospital Affiliated of Air Force Military Medical University, Xi'an 710032, China

Received:2023-07-11 Online:2024-01-28 Published:2024-01-22

摘要/Abstract

摘要： 目的:量化评价数字光处理(digital light processing,DLP)技术打印的上颌全口义齿树脂基托组织面及各功能区在14 d内的形变。方法:基于上颌无牙颌标准石膏模型设计并用DLP技术打印6副上颌全口义齿树脂基托。在基托打印完成第1、7、14天分别对其组织面进行扫描。将扫描所得数据和基托设计文件导入Geomagic 2014软件中进行最佳拟合对齐与三维形态偏差分析。进一步,在软件中将上颌基托组织面细分成主承托区、副承托区、边缘封闭区、缓冲区与上颌后堤区,量化分析各功能区在14 d内的形变。结果:三维形态分析结果显示基托组织面在双侧上颌结节区域与上颌后堤区形变最大且方向相反。对各功能区的分析显示形变从小到大依次是缓冲区、副承托区、主承托区、边缘封闭区和上颌后堤区。结论:三维打印上颌全口义齿基托会随着时间发生一定的形变,各功能分区变形量不同。

关键词: 上颌全口义齿, 组织面, 数字化, 偏差分析, 尺寸稳定性

Abstract: Objective: To quantitatively evaluate the deformation of tissue surface and each functional area of maxillary complete denture substrate printed by digital light processing (DLP) technology over a 14-day period. Methods: Six pairs of maxillary complete denture substrates were designed and printed using DLP technology based on a standard maxillary edentulous plaster model. The tissue surfaces of the substrates were scanned on day 1, 7, and 14 after printing. The scanned data and design files were imported into Geomagic 2014 software for best-fit alignment and 3D morphological deviation analysis. Further, the maxillary tissue surface was subdivided into primary stress-bearing area, secondary stress-bearing area, border seal area, relief area, and post dam area in the software, and the deformation of each functional area was quantified and analyzed over 14 days. Results: The results of 3D morphometric analysis showed that the substrate tissue surface had the greatest deformation in the bilateral maxillary tuberosity region and the post dam region in the opposite direction. The analysis of the functional areas showed that the functional areas with the least deformation were, in order, the relief area, the secondary stress-bearing area, the primary stress-bearing area, the border seal area, and the post dam area. Conclusion: The 3D printed maxillary complete denture base will undergo some deformation over time, with different amounts of deformation in each functional area.

Key words: maxillary complete denture, tissue surface, digitization, deviation analysis, dimensional stability

李恺, 张燕, 艾林, 赵艳芳, 吴玉禄, 王璀蕾. 三维打印全口义齿树脂基托尺寸稳定性的研究[J]. 口腔医学研究, 2024, 40(1): 40-45.

LI Kai, ZHANG Yan, AI Lin, ZHAO Yanfang, WU Yulu, WANG Cuilei. Study on Dimensional Stability of Resin Substrates for 3D Printed Complete Dentures[J]. Journal of Oral Science Research, 2024, 40(1): 40-45.

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三维打印全口义齿树脂基托尺寸稳定性的研究

Study on Dimensional Stability of Resin Substrates for 3D Printed Complete Dentures

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