双曲抛物面形态和传统近似牙槽嵴形态3D打印钛网的力学性能研究

doi:10.12337/zgkqzzxzz.2024.06.011

中国口腔种植学杂志 ›› 2024, Vol. 29 ›› Issue (3): 258-265.DOI: 10.12337/zgkqzzxzz.2024.06.011

双曲抛物面形态和传统近似牙槽嵴形态3D打印钛网的力学性能研究

王怀升^1,2, 王心彧¹, 韩泽奎¹, 姜婷婷^1,2, 陈贺^1,2, 刘璐^1,2

¹黑龙江省口腔生物材料与临床应用重点实验室佳木斯大学口腔医学工程实验中心佳木斯大学附属口腔医院 154002;
²佳木斯大学 154007

收稿日期:2024-02-06 出版日期:2024-06-30 发布日期:2024-06-28
通讯作者: 王心彧,Email：wangxinyu@jmsu.edu.cn,电话：0454-8625654
作者简介:王怀升硕士研究生在读, 研究方向：数字化口腔种植、口腔种植辅助设备研发;王心彧副主任医师、硕士研究生导师,研究方向：数字化口腔种植、口腔种植辅助设备研发
基金资助:
黑龙江省自然科学基金（LH2022H089）

Research on mechanical properties of 3D printed titanium mesh with hyperbolic paraboloid morphology and traditional approximate alveolar ridge morphology

Wang Huaisheng^1,2, Wang Xinyu¹, Han Zekui¹, Jiang Tingting^1,2, Chen He^1,2, Liu Lu^1,2

¹Key Laboratory of Oral Biomaterials and Clinical Applications of Heilongjiang Province, Stomatology Engineering Experimental Center of Jiamusi University, School of Stomatology,Jiamusi University, Jiamusi 154002,China;
²Jiamusi University, Jiamusi 154007, China

Received:2024-02-06 Online:2024-06-30 Published:2024-06-28
Contact: Wang Xinyu, Email: wangxinyu@jmsu.edu.cn,Tel: 0086-454-8625654
Supported by:
Natural Science Foundation of Heilongjiang Province (LH2022H089)

摘要/Abstract

摘要： 目的探究双曲抛物面空间结构对个性化钛网的力学性能影响。方法使用3-Matic 15软件为牙槽嵴吸收患者的下颌骨三维模型进行虚拟骨增量,分别增量为双曲抛物面结构和近似牙槽嵴结构,并制作孔隙为圆形、三角形、四边形和六边形,厚度为0.2 mm、0.3 mm、0.4 mm的个性化钛网,构建有限元分析模型,施加力和约束,分析各组钛网的应力和位移。结果同一厚度下,不同孔隙结构的双曲抛物面钛网应力和位移均明显低于近似牙槽嵴形态的钛网;随厚度减小,各组钛网的应力和位移显著增加。结论双曲抛物面这一空间结构可以均匀的分散应力,减少个性化钛网的应力集中,减少钛网受力后的位移,使钛网兼具了良好的力学性能和较薄的厚度,降低了对软组织的刺激,减少钛网暴露的可能。

关键词: 双曲抛物面, 个性化钛网, 引导骨再生, 三维有限元分析, 骨增量

Abstract: Objective To investigate the influence of hyperbolic paraboloid spatial structure on the mechanical properties of personalized titanium mesh. Methods Virtual bone augmentations were performed using 3-Matic 15 software on 3D models of the mandibles of patients with alveolar ridge resorption. The bone augmentations were performed with hyperbolic paraboloid structure and approximate alveolar ridge structure, respectively. Personalized titanium meshes with pore shapes of circular, triangular, quadrilateral, and hexagonal, and thicknesses of 0.2 mm, 0.3 mm, and 0.4 mm were fabricated. Finite element analysis models were constructed, applying the forces and constraints. The stress and displacement of titanium mesh in each group were analyzed. Results Under the same thickness, the stresses and displacements of the hyperbolic paraboloid titanium mesh with different pore structures were significantly lower than those of the approximate alveolar ridge titanium mesh; as the thickness decreased, the stress and displacement of titanium mesh in each group significantly increased. Conclusion This spatial structure of hyperbolic paraboloid can distribute the stress uniformly, reduce the stress concentration of the personalized titanium mesh, decrease displacement of the titanium mesh after loading, allowing the titanium mesh to combine good mechanical properties and thinner thickness, reducing irritation to soft tissues and the risk of titanium mesh exposure.

Key words: Hyperbolic paraboloid, Personalized titanium mesh, Guided bone regeneration, 3D finite element analysis, Bone augmentation

王怀升,王心彧,韩泽奎,等. 双曲抛物面形态和传统近似牙槽嵴形态3D打印钛网的力学性能研究[J]. 中国口腔种植学杂志, 2024, 29(3): 258-265. DOI: 10.12337/zgkqzzxzz.2024.06.011

Wang Huaisheng, Wang Xinyu, Han Zekui, Jiang Tingting, Chen He, Liu Lu. Research on mechanical properties of 3D printed titanium mesh with hyperbolic paraboloid morphology and traditional approximate alveolar ridge morphology[J].Chinese Journal of Oral Implantology, 2024, 29(3): 258-265.DOI: 10.12337/zgkqzzxzz.2024.06.011.

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双曲抛物面形态和传统近似牙槽嵴形态3D打印钛网的力学性能研究

Research on mechanical properties of 3D printed titanium mesh with hyperbolic paraboloid morphology and traditional approximate alveolar ridge morphology

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