ArticleFrontiers in bioengineering and biotechnology2024
Biomechanical analysis of stress distribution and failure risk in mandibular incisors restored with resin-bonded fixed partial dentures using CAD/CAM materials and restoration designs.
Article in Frontiers in bioengineering and biotechnology, 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.
- Biomechanical and weibull-based evaluation of bioceramic root filling and coronal restoration designs in apically resorbed premolars.Clinical oral investigations · 2026Article
- Five-year survival and failure patterns of complete arch fixed implant-supported monolithic zirconia prostheses: A retrospective analysis of 3300 laboratory cases.Journal of prosthodontics : official journal of the American College of Prosthodontists · 2026Article
- Minimally invasive management of lower midline diastema: A case report and literature review.Medicine · 2026Review
- Minimally Invasive Cantilever RBFPD Using a 270-Degree Veneer Abutment in a Young Cleft Patient: A Clinical Adhesive Technique.Clinical case reports · 2026Article
- [Three-dimensional finite element analysis of the cantilever fixed bridge restoration for mandibular central incisors supported by narrow-diameter implants].Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2026Article
- Single-Retainer Lithium Disilicate Resin-Bonded Bridge for Mandibular Central Incisor Replacement Using CAD/CAM and Virtual Articulator: A 25-Month Case Report.Clinical case reports · 2026Article
- Clinical Performance of Posterior Tooth-Supported Cantilevered Prostheses With a Follow-Up of ≥ 3 Years: A Systematic Review and Meta-Analysis.International journal of dentistry · 2026Review
- Endodontics - Orthodontics correlation: Inside and outside the root.Bioinformation · 2025Article
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Authors and funding
5 authors.
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Abstract
Background: Computer-aided design/manufacturing (CAD/CAM) materials are widely used in resin-bonded fixed partial dentures (RBFPDs), but their suitability across different designs has not been fully assessed. This study compares the stress distribution and failure probability of mandibular incisors restored by RBFPDs with various CAD/CAM materials. Materials and methods: Finite-element models of single- and double-ended RBFPDs were created using cone-beam computed tomography (CBCT) data. Five CAD/CAM materials (IPS e.max CAD, IPS e.max ZirCAD, Vita Enamic, Lava Ultimate, Vitablocs MarkII) were tested under vertical and oblique (45°) loading with a 100 N force. Stress distribution and failure risk were evaluated for each material and design. Results: Oblique loading produced the highest stress and displacement for single-ended RBFPDs. Lava Ultimate had the largest displacement and principal stress, while IPS e.max ZirCAD showed the highest equivalent stress. IPS e.max CAD exhibited the lowest displacement and principal stress among double-ended RBFPDs under oblique loading. Conclusion: This study demonstrated that double-ended RBFPDs experience lower stress and strain compared to single-ended designs, particularly under oblique loading. Vita Enamic had the highest failure risk, while IPS e.max ZirCAD had the lowest. These insights into stress distribution and material performance offer valuable guidance for material selection and restoration design, aiming to improve the longevity and success of RBFPDs in mandibular incisor restorations.
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