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Volume 18
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10.3390/ma18030622
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

New Subperiosteal Dental Implant Design with Finite Element Analysis and Mechanical Validation: A Design Validation Study

by
Vicente Vanaclocha
1,*,
Carlos Atienza
2,
Amparo Vanaclocha
2,*,
Andrés Peñuelas
2,
Juan Gómez-Herrero
2,
Francisco Pérez-Carrió
3,
José Antonio Diego-Leyda
3,
Nieves Sáiz-Sapena
4 and
Leyre Vanaclocha
5
1
Department of Surgery, Medical School, University of Valencia, 46010 Valencia, Spain
2
Instituto de Biomecánica (IBV), Universitat Politècnica de Valencia, 46022 Valencia, Spain
3
Fresmedical Custom Digital Health, 03750 Pedreguer, Alicante, Spain
4
Hospital General Universitario de Valencia, 46014 Valencia, Spain
5
Medius Klinik, Ostfildern-Ruit Klinik für Urologie, 73760 Ostfildern, Germany
*
Authors to whom correspondence should be addressed.
Materials 2025, 18(3), 622; https://doi.org/10.3390/ma18030622
Submission received: 29 December 2024 / Revised: 23 January 2025 / Accepted: 26 January 2025 / Published: 29 January 2025
(This article belongs to the Special Issue Advances in Dental Implants and Prosthetics Materials)
Versions Notes

Abstract

New subperiosteal dental implants were designed to offer new options to edentulous patients with severe bone resorption for whom endosseous dental implants are not advisable. In our study, we aimed to design and manufacture subperiosteal dental implants with a minimum volume to facilitate surgical maneuvers and metal coverage by mucosa while ensuring maximal long-term implant strength and functionality. With cone-beam CT-scan data obtained from an edentulous patient, a maxilla and mandible recreation were created, and subperiosteal implants were designed and analyzed with FEA (250 MPa infinite-life limit stress). We redesigned them until they stood the infinite-life limit loads mentioned above. Then, they were manufactured with Ti6Al4V alloy and laser-powder bed fusion technology. All implants withstood mechanical tests (450 N static and 150 N loads for five-million cycle 150 N fatigue tests) with no failures. The first design resulted in maxillary and mandibular implant failures. Through the redesign process, the implant volume was reduced, and the number and placement of bone fixation screws were optimized while maintaining resistance to chewing. Once manufactured, these new implants withstood the loads mentioned above without failure. Our subperiosteal dental implants are an option for edentulous patients with severe maxilla and mandibular bone resorption. Manufactured with Ti6Al4V alloy and laser-powder bed fusion technology, they withstood the above-mentioned mechanical tests without failure.
Keywords: subperiosteal dental implant; titanium alloy; severe bone resorption; custom-made implant; finite element analysis; laser-powder bed fusion subperiosteal dental implant; titanium alloy; severe bone resorption; custom-made implant; finite element analysis; laser-powder bed fusion

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MDPI and ACS Style

Vanaclocha, V.; Atienza, C.; Vanaclocha, A.; Peñuelas, A.; Gómez-Herrero, J.; Pérez-Carrió, F.; Diego-Leyda, J.A.; Sáiz-Sapena, N.; Vanaclocha, L. New Subperiosteal Dental Implant Design with Finite Element Analysis and Mechanical Validation: A Design Validation Study. Materials 2025, 18, 622. https://doi.org/10.3390/ma18030622

AMA Style

Vanaclocha V, Atienza C, Vanaclocha A, Peñuelas A, Gómez-Herrero J, Pérez-Carrió F, Diego-Leyda JA, Sáiz-Sapena N, Vanaclocha L. New Subperiosteal Dental Implant Design with Finite Element Analysis and Mechanical Validation: A Design Validation Study. Materials. 2025; 18(3):622. https://doi.org/10.3390/ma18030622

Chicago/Turabian Style

Vanaclocha, Vicente, Carlos Atienza, Amparo Vanaclocha, Andrés Peñuelas, Juan Gómez-Herrero, Francisco Pérez-Carrió, José Antonio Diego-Leyda, Nieves Sáiz-Sapena, and Leyre Vanaclocha. 2025. "New Subperiosteal Dental Implant Design with Finite Element Analysis and Mechanical Validation: A Design Validation Study" Materials 18, no. 3: 622. https://doi.org/10.3390/ma18030622

APA Style

Vanaclocha, V., Atienza, C., Vanaclocha, A., Peñuelas, A., Gómez-Herrero, J., Pérez-Carrió, F., Diego-Leyda, J. A., Sáiz-Sapena, N., & Vanaclocha, L. (2025). New Subperiosteal Dental Implant Design with Finite Element Analysis and Mechanical Validation: A Design Validation Study. Materials, 18(3), 622. https://doi.org/10.3390/ma18030622

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