Evaluating the Feasibility of Short Dental Implants as Alternatives to Long Dental Implants in Mandibular Bone: A Finite Element Study

IF 3.2 4区 医学 Q2 ENGINEERING, BIOMEDICAL
Prathamesh Deshmukh, Pankaj Dhatrak
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Abstract

This study uses finite element analysis to investigate the potential application of shorter dental implants as a substitute for longer implants in the lower jaw (mandible). FEA allows the evaluation of the stress patterns around the implant-bone interface, a critical factor for successful osseointegration. Ten models were generated, encompassing five long (L1-L5) and five short implant models (S1-S5) with variations in diameter and length. Hypermesh software was utilized to meticulously prepare the FEA models, ensuring accurate mesh generation. The FEA simulations were conducted under four distinct loading scenarios (100 N occlusal load, 40 N lateral load, 100 N oblique at 30°, and 100 N oblique at 45°) to realistically mimic the forces exerted during biting, using an ABAQUS CAE solver. The results revealed that the von Mises stress generated within the short implant models was demonstrably lower compared to their long implants. Additionally, a significant drop in stress was observed with increasing the diameter of the short implants, to a certain diameter range. These findings suggest the potential for successful substitution of long implant model L4 with short implant model S4 due to the demonstrably lower stress values achieved. Furthermore, the data indicates the possibility of utilizing short implant models S3 and S5 as alternatives to long implant models L3 and L5, respectively. These observations hold significant promise for evaluating the feasibility of replacing long implants with shorter variants, potentially leading to a reduction in implant-related failures.

评估下颌骨中短牙种植体替代长牙种植体的可行性:有限元研究
本研究采用有限元分析法研究了在下颌(下颚)应用较短的牙科植入体替代较长植入体的可能性。有限元分析可以评估种植体与骨界面周围的应力模式,这是成功骨结合的关键因素。共生成了十个模型,包括五个长种植体模型(L1-L5)和五个短种植体模型(S1-S5),直径和长度各不相同。利用 Hypermesh 软件对有限元分析模型进行了细致的准备,确保网格生成的准确性。使用 ABAQUS CAE 求解器在四种不同的加载情况下进行了有限元模拟(100 N 的咬合加载、40 N 的侧向加载、100 N 的 30° 斜向加载和 100 N 的 45° 斜向加载),以真实模拟咬合过程中施加的力。结果显示,短种植体模型内产生的 von Mises 应力明显低于长种植体。此外,在一定直径范围内,随着短种植体直径的增加,应力也明显下降。这些研究结果表明,由于短种植体模型 S4 的应力值明显较低,因此有可能成功替代长种植体模型 L4。此外,数据还表明,短种植体模型 S3 和 S5 有可能分别替代长种植体模型 L3 和 L5。这些观察结果为评估用短种植体替代长种植体的可行性提供了重要依据,从而有可能减少与种植体相关的故障。
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来源期刊
CiteScore
7.50
自引率
2.90%
发文量
199
审稿时长
12 months
期刊介绍: Journal of Biomedical Materials Research – Part B: Applied Biomaterials is a highly interdisciplinary peer-reviewed journal serving the needs of biomaterials professionals who design, develop, produce and apply biomaterials and medical devices. It has the common focus of biomaterials applied to the human body and covers all disciplines where medical devices are used. Papers are published on biomaterials related to medical device development and manufacture, degradation in the body, nano- and biomimetic- biomaterials interactions, mechanics of biomaterials, implant retrieval and analysis, tissue-biomaterial surface interactions, wound healing, infection, drug delivery, standards and regulation of devices, animal and pre-clinical studies of biomaterials and medical devices, and tissue-biopolymer-material combination products. Manuscripts are published in one of six formats: • original research reports • short research and development reports • scientific reviews • current concepts articles • special reports • editorials Journal of Biomedical Materials Research – Part B: Applied Biomaterials is an official journal of the Society for Biomaterials, Japanese Society for Biomaterials, the Australasian Society for Biomaterials, and the Korean Society for Biomaterials. Manuscripts from all countries are invited but must be in English. Authors are not required to be members of the affiliated Societies, but members of these societies are encouraged to submit their work to the journal for consideration.
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