Article ; Online: Stress-strain and fatigue life numerical evaluation of two different dental implants considering isotropic and anisotropic human jaw.
Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine
2023 Volume 237, Issue 10, Page(s) 1190–1201
Abstract: Dental prostheses are currently a valid solution for replacing potential missing tooth or edentulism clinical condition. Nevertheless, the oral cavity is a dynamic and complex system: occlusal loads, external agents, or other unpleasant events can impact ...
| Abstract | Dental prostheses are currently a valid solution for replacing potential missing tooth or edentulism clinical condition. Nevertheless, the oral cavity is a dynamic and complex system: occlusal loads, external agents, or other unpleasant events can impact on implants functionality and stability causing a future revision surgery. One of the failure origins is certainly the dynamic loading originated from daily oral activities like eating, chewing, and so on. The aim of this paper was to evaluate, by a numerical analysis based on Finite Elements Method (FEM), and to discuss in a comparative way, firstly, the stress-strain of two different adopted dental implants and, subsequently, their fatigue life according to common standard of calculations. For this investigation, the jawbone was modeled accounting for either isotropic or anisotropic behavior. It was composed of cortical and cancellous regions, considering it completely osseointegrated with the implants. The impact of implants' fixture design, loading conditions, and their effect on the mandible bone was finally investigated, on the basis of the achieved numerical results. Lastly, the life cycle of the investigated implants was estimated according to the well-established theories of Goodman, Soderberg, and Gerber by exploiting the outcomes obtained by the numerical simulations, providing interesting conclusions useful in the dental practice. |
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| MeSH term(s) | Humans ; Dental Implants ; Finite Element Analysis ; Jaw ; Mandible ; Mastication ; Stress, Mechanical ; Dental Stress Analysis ; Dental Prosthesis Design |
| Chemical Substances | Dental Implants |
| Language | English |
| Publishing date | 2023-09-05 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 1065942-0 |
| ISSN | 2041-3033 ; 0046-2039 ; 0954-4119 |
| ISSN (online) | 2041-3033 |
| ISSN | 0046-2039 ; 0954-4119 |
| DOI | 10.1177/09544119231193879 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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