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Numerical and Experimental Biomechanical Characterization of Implant Dentistry Materials
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Numerical and Experimental Biomechanical Characterization of Implant Dentistry Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (10 July 2024) | Viewed by 2963

Special Issue Editors

Prof. Dr. Miguel E. Cerrolaza

E-Mail Website
Guest Editor
1. Bioengineering Institute of Technology, Universitat Internacional de Catalunya (UIC), 08190 Barcelona, Spain
2. Universitat Internacional de València (VIU), 46002 Valencia, Spain
Interests: biomechanics; numerical methods; dental implants
Dr. Xavier Marimon

E-Mail Website
Guest Editor
1. Bioengineering Institute of Technology, Universitat Internacional de Catalunya (UIC), 08190 Barcelona, Spain
2. Automatic Control Department, Universitat Politècnica de Catalunya (UPC-BarcelonaTECH), 08034 Barcelona, Spain
Interests: computational modelling; multiphysics simulation; finite element method (FEM); biomedical signal processing; biomedical imaging; dental implants

Special Issue Information

Dear Colleagues,

It is our pleasure to invite you to submit a manuscript for this Special Issue on the topic “Numerical and Experimental Biomechanical Characterization of Implant Dentistry Materials” (IF: 3.74). Today, dentists, dental implant designers, and clinicians can benefit from recent advances in the numerical and experimental characterization of materials for implantology so that they can safely implement these advances in the clinical setting. Therefore, the characterization of implantology materials is essential to have an excellent clinical performance, either through mechanical tests (static, dynamic or fatigue), in vitro or in vivo tests and clinical trials with randomized controls. All these tests require all the current techniques of experimental mechanics, numerical simulation with the finite element method (FEM, metaphysical simulation, statistical & particle modeling) and the latest image-based techniques (digital image correlation, photoelasticity, CAD-CAM, SEM, FTIR spectroscopy).

This special edition welcomes high-quality original articles, communications and review articles focused on advanced experimental mechanics, numerical simulations, clinical studies, digital technologies and available systems for dental implantology, with the aim of improving dental treatment options and dental care.

Prof. Dr. Miguel E. Cerrolaza
Prof. Dr. Xavier Marimon
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • dental restorative materials
  • dental rehabilitation materials
  • dental implants
  • dental prosthesis
  • crown materials
  • implant-supported prosthesis
  • peri-implant materials
  • FEA
  • FEM
  • computational modelling, multiphysics simulation
  • biomechanical behaviour
  • strain analysis
  • biomechanical characterization
  • CAD-CAM

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Published Papers (3 papers)

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Research

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14 pages, 7261 KiB  
Article
Design Factors of Ti-Base Abutments Related to the Biomechanics Behavior of Dental Implant Prostheses: Finite Element Analysis and Validation via In Vitro Load Creeping Tests
by Jordi Martínez-Grau, Daniel Robles, Román A. Pérez, Xavier Marimon, Saray Fernández-Hernández, Carlos Aroso and Aritza Brizuela-Velasco
Materials 2024, 17(15), 3746; https://doi.org/10.3390/ma17153746 - 29 Jul 2024
Viewed by 567
Abstract
This study has been carried out to analyze the influence of the design of three geometric elements (wall thickness, platform width, and chamfer) of Ti-base abutments on the distribution of stresses and strains on the implant, the retention screw, the Ti base, and [...] Read more.
This study has been carried out to analyze the influence of the design of three geometric elements (wall thickness, platform width, and chamfer) of Ti-base abutments on the distribution of stresses and strains on the implant, the retention screw, the Ti base, and the bone. This study was carried out using FEA, analyzing eight different Ti-base models based on combinations of the geometric factors under study. The model was adapted to the standard Dynamic Loading Test For Endosseous Dental Implants. A force of 360 N with a direction of 30° was simulated and the maximum load values were calculated for each model, which are related to a result higher than the proportional elastic limit of the implant. The transferred stresses according to von Mises and microdeformations were measured for all the alloplastic elements and the simulated support bone, respectively. These results were validated with a static load test using a creep testing machine. The results show that the design factors involved with the most appropriate stress distribution are the chamfer, a thick wall, and a narrow platform. A greater thickness (0.4 mm) is also related to lower stress values according to von Mises at the level of the retaining screws. In general, the distributions of tension at the implants and microdeformation at the level of the cortical and trabecular bone are similar in all study models. The in vitro study on a Ti-base control model determined that the maximum load before the mechanical failure of the implant is 360 N, in accordance with the results obtained for all the Ti-base designs analyzed in the FEA. The results of this FEA study show that modifications to the Ti-base design influence the biomechanical behavior and, ultimately, the way in which tension is transferred to the entire prosthesis–implant–bone system. Full article
(This article belongs to the Special Issue Numerical and Experimental Biomechanical Characterization of Implant Dentistry Materials)
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12 pages, 67501 KiB  
Article
Biomechanical Analysis of Palateless Splinted and Unsplinted Maxillary Implant-Supported Overdentures: A Three-Dimensional Finite Element Analysis
by Mária Frolo, Luboš Řehounek, Aleš Jíra, Petr Pošta and Lukáš Hauer
Materials 2023, 16(15), 5248; https://doi.org/10.3390/ma16155248 - 26 Jul 2023
Cited by 1 | Viewed by 1331
Abstract
The objective of this study was to compare the distribution of stress in the maxillary bone, dental implants, and prosthetic components supporting implant-supported maxillary overdentures with partial palatal coverage, in both splinted and unsplinted designs. Two models of maxillary overdentures were designed using [...] Read more.
The objective of this study was to compare the distribution of stress in the maxillary bone, dental implants, and prosthetic components supporting implant-supported maxillary overdentures with partial palatal coverage, in both splinted and unsplinted designs. Two models of maxillary overdentures were designed using the Exocad Dental CAD program, which included cancellous and cortical bone. The complete denture design and abutments (locator abutments in the unsplinted and Hader bar with Vertix attachments placed distally in the splinted variant) were also designed. The denture material was PEEK (Polyetheretherketone), and the method used to analyze patient-specific 3D X-ray scans was 3D QCT/FEA (three-dimensional quantitative computed tomography-based finite element analysis). Loading was divided into three load cases, in the frontal region (both incisors of the denture) and distal region (both molars and first premolar of the denture). The forces applied were 150 N with an oblique component with a buccal inclination of 35° in the frontal region, and 600 N with a buccal inclination of 5° (molars) or solely vertical (premolar) in the distal region. The model with locator abutments showed higher stresses in all load cases in both analyzed implant variants and in the maxilla. The differences in stress distribution between the splinted and unsplinted variants were more significant in the distal region. According to the results of the present study, the amount of stress in bone tissue and dental implant parts was smaller in the splinted, bar-retained variant. The findings of this study can be useful in selecting the appropriate prosthetic design for implant-supported maxillary overdentures with partial palatal coverage. Full article
(This article belongs to the Special Issue Numerical and Experimental Biomechanical Characterization of Implant Dentistry Materials)
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Review

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15 pages, 5287 KiB  
Review
Impact Testing in Implant-Supported Prostheses and Natural Teeth: A Systematic Review of Properties and Performance
by Jordi Martí-Vigil, Joan Casamitjana, Xavier Marimon, Miguel Cerrolaza, Raul Medina-Gálvez, Oriol Cantó-Navés, Miquel Ferrer and Josep Cabratosa-Termes
Materials 2024, 17(16), 4040; https://doi.org/10.3390/ma17164040 - 14 Aug 2024
Viewed by 463
Abstract
Dental implants offer an effective solution for partial and total edentulism, but mechanical and biological complications exist. Furthermore, high occlusal loads challenge implants and lead to potential failures. This review focuses on impact testing in contrast to incremental and static tests, an underexplored [...] Read more.
Dental implants offer an effective solution for partial and total edentulism, but mechanical and biological complications exist. Furthermore, high occlusal loads challenge implants and lead to potential failures. This review focuses on impact testing in contrast to incremental and static tests, an underexplored aspect of assessing daily loads on implants, bringing to light potential complications. The review examines studies employing impact forces to assess implant-supported prostheses and natural teeth properties, highlighting their significance in dental research. A systematic search following PRISMA guidelines identified 21 relevant articles out of 224, emphasizing studies employing impact forces to evaluate various aspects of dental implant treatments. The diverse applications of impact forces in dental research were categorized into tooth structure, restorative materials, interface evaluation, implant properties, and finite element models. Some studies showed the significance of impact forces in assessing stress distribution, shock absorption, and biomechanical response. Impact testing is a critical tool for understanding the daily forces on implants. Despite diverse experimental approaches, a lack of standardized protocols complicates the systematization of the results and, therefore, the conclusions. This review highlights the need for consistent methodologies in impact testing studies for future research on implant-supported prostheses. Full article
(This article belongs to the Special Issue Numerical and Experimental Biomechanical Characterization of Implant Dentistry Materials)
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