ArticleBMC oral health2024
Finite element analysis on implant-supported bar with different geometric shapes.
Article in BMC oral health, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Effect of Connection Geometry and Cantilever Length on the Mechanical Behavior of Ti6Al4V and PEEK Bar-Supported Implant Prostheses with Angled Abutments.Journal of functional biomaterials · 2026Article
- Biomechanical Comparative Evaluation of the Atrophic Edentulous Mandible Using All-on-4, All-on-5 and All-on-6 Concepts: A Finite Element Analysis.Dentistry journal · 2026Article
- Effect of framework material and gyroid lattice design on the biomechanics of all-on-four full-arch prostheses.BMC oral health · 2026Article
- Retention of Co-Cr bars supporting mandibular implant overdenture fabricated with two techniques.BMC oral health · 2025Article
- Effect of different cross sections of polyetheretherketone splinting bars in maxillary All-on-4BMC oral health · 2025Article
- OT Bridge prosthetic system with different number of screws in all on six maxillary prosthesis: finite element analysis.BMC oral health · 2025Article
- Experimental Testing and Numerical Bite Simulation of Complete Acrylic Dentures in Eugnathic and Progenic Occlusal Relationships.Materials (Basel, Switzerland) · 2025Article
- Biomechanical Optimization of the Human Bite Using Numerical Analysis Based on the Finite Element Method.Biomimetics (Basel, Switzerland) · 2025Article
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Authors and funding
5 authors.
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Abstract
backgroundThe selection guideline for the implant-supported bar connectors (ISBC) of hybrid denture is lacking. This study investigated the maximum von Mises stress (vMS), stress distribution, and displacement of various geometric ISBC in mandibular hybrid dentures, as well as the maximum principal stress (σmax) in the acrylic resin part, through finite element analysis.
methodsFour different geometric cross-sectional patterns for mandibular ISBC-L, Y, I, and Square-of equal volume, based on the "All-on-4" concept, were created. Titanium alloy was used for ISBC with an acrylic resin wraparound. Models were integrated into the software and loading simulations mimicking mastication forces on posterior teeth in centric and eccentric loadings were performed. vMS was used for ISBC assessment, and σmax was assessed in acrylic resin.
resultsIn centric loading, vMS was mainly at the distal screw channel across most ISBCs. Y ISBC showed the least vMS, while I and Square ISBC demonstrated uniform stress distribution on both sides; load and non-load-bearing sides. The others showed concentrated vMS only on the load-bearing side. Square ISBC exhibited the most displacement. In the acrylic resin region of each, σmax was found concentrated around the contact point between two adjacent denture teeth at different locations, with Square showing the highest σmax. Under eccentric loading, the maximum vMS of each model was found at the interface between the distal screw channel and the lingual aspect of the abutment, with comparable vMS. Square ISBC experienced the most significant displacement and showed the highest σmax within the acrylic resin juxtaposed with the screw channel.
conclusionThe Y model of titanium-alloy in mandibular ISBC demonstrated the lowest vMS and displacement.
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