固定义齿的All-On-4®系统短种植体加载的研究:有限元分析

IF 0.6 4区 工程技术 Q4 MECHANICS Mechanika Pub Date : 2023-04-19 DOI:10.5755/j02.mech.33221
I. Skiedraite, S. Diliunas, Vaidas Varinauskas
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引用次数: 0

摘要

对无牙下颌骨四颗种植体和一套修复体系统的生物力学研究表明,通过改变种植体的对称位置(相对于彼此)、直径和长度以及方向(相对于咀嚼面),修复体的悬臂长度对种植体周围骨的最弱结构元素和载荷变化的影响,在科学文献中没有得到广泛的讨论。另一方面,短假体的使用在实践中更为常见。有些植入物只有8毫米长。齿科医生、种植医生和牙科技师可以在日常临床实践中使用有限元方法(FEM)获得的结果,以减少已经在治疗计划阶段出现的机械/技术和随之而来的生物并发症的可能性,从而确定治疗无牙患者的最佳结果。本文通过对有限元分析结果的独特解释,讨论了悬臂式义齿(长度为8mm,直径为3.5 mm和4.5 mm)在不同位置加载以及改变种植体位置时的加载结果。
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A Study Case of Short Dental Implants Loading in the All-On-4® System on Fixed Dental Prostheses: A Finite Element Analysis
The biomechanical research about toothless mandible with four dental implants and a prosthetic system research, which shows the influence of the cantilever length of prosthesis on the weakest structural elements and the load changes in peri-implant bone by changing symmetrically position of the dental implants (in relation to each other), diameters and lengths, and orientation (in relation to chewing surfaces), is not discussed widely in the scientific literature. On the other hand, the use of short implants is more common in practice. Some of these implants are only 8mm in length.The odontologists, implantologists and dental technician can use results received by finite element method (FEM) in the daily clinical practice in order to reduce the potential for mechanical / technological and consequent biological complications already at the planning stage of the treatment, and thus determine best outcomes in the treatment of toothless patients.With a unique interpretation of the results obtained by FEM, the paper discusses the results of implants (8 mm in length with 3.5 mm and 4.5 mm diameter) loading, when the cantilevered dental prostheses are loaded in different positions, as well as implant positions are changed.
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
期刊最新文献
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