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Advancements in Materials for Fixed Prostheses on Dental Implants: Enhancing Functionality and Aesthetics

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

Deadline for manuscript submissions: 20 November 2025 | Viewed by 696

Special Issue Editors


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Guest Editor
Division of Oral Surgery and Implantology, Department of Head and Neck and Sensory Organs, Fondazione Policlinico Universitario A. Gemelli IRCCS—Università Cattolica del Sacro Cuore, 00168 Rome, Italy
Interests: implantology; prosthetic rehabilitations; additive manufacturing

E-Mail Website
Guest Editor
Division of Oral Surgery and Implantology, Department of Head and Neck and Sensory Organs, Fondazione Policlinico Universitario A. Gemelli IRCCS—Università Cattolica del Sacro Cuore, 00168 Rome, Italy
Interests: implant prosthodontics; prosthodontics
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Division of Oral Surgery and Implantology, Department of Head and Neck and Sensory Organs, Fondazione Policlinico Universitario A. Gemelli IRCCS—Università Cattolica del Sacro Cuore, 00168 Rome, Italy
Interests: implant prosthodontics; prosthodontics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Materials explores the latest advancements in materials for fixed prostheses on dental implants, highlighting their role in improving the longevity, functionality, and aesthetics of implant-supported restorations. Fixed prostheses, including crowns, bridges, and dentures, are critical for restoring the function and appearance of missing teeth, but their success heavily depends on the materials used.

Recent developments in materials science have led to the emergence of new biomaterials that provide superior performance in terms of strength, biocompatibility, and aesthetic outcomes. Ceramic-based materials, such as zirconia and lithium disilicate, are increasingly popular due to their excellent mechanical properties and natural appearance, mimicking the look of natural teeth. Additionally, advancements in polymer-based materials, composite resins, and hybrid materials are being explored for their versatility and ease of fabrication.

The Issue also addresses the integration of digital technologies in the design and manufacturing of fixed prostheses. CAD/CAM (Computer-Aided Design/Computer-Aided Manufacturing) technology has revolutionized the production of prosthetic components, enabling precise customization and faster turnaround times. Furthermore, surface treatments and coatings are being researched to improve adhesive properties and reduce the risk of complications such as wear and corrosion.

Overall, this Special Issue aims to provide a comprehensive review of how new materials are transforming the landscape of fixed prostheses on implants, emphasizing the need for continued innovation to meet the growing demands for enhanced functionality and aesthetic appeal in dental restoration.

Dr. Edoardo Rella
Dr. Paolo De Angelis
Dr. Paolo Francesco Manicone
Guest Editors

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Keywords

  • biomaterials
  • fixed prostheses
  • dental implants
  • CAD/CAM technology
  • aesthetic restoration

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Published Papers (1 paper)

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Research

16 pages, 3364 KB  
Article
Sintering Distortion in Multi-Composition-Layered Zirconia Disks for Dental Prostheses: An Experimental Analysis
by Mizuho Hirano, Syuntaro Nomoto and Hideshi Sekine
Materials 2025, 18(18), 4234; https://doi.org/10.3390/ma18184234 - 9 Sep 2025
Viewed by 416
Abstract
Zirconia is a high-strength ceramic and has increasing importance, particularly in the field of aesthetic dentistry for crown restorations. Multi-composition-layered-type (MCL) zirconia is attracting attention as a new material that integrates high light transmittance with mechanical strength. However, there are no reports on [...] Read more.
Zirconia is a high-strength ceramic and has increasing importance, particularly in the field of aesthetic dentistry for crown restorations. Multi-composition-layered-type (MCL) zirconia is attracting attention as a new material that integrates high light transmittance with mechanical strength. However, there are no reports on the deformation induced by sintering in MCL zirconia. Therefore, we aimed to investigate the sintering distortion of MCL zirconia. An experimental fixed dental prosthesis (FDP) was designed based on a 4-unit monolithic zirconia FDP. A MCL with no color gradation and an MCL with color gradation were selected. Particularly, three milling areas—the top end of the disk (area I) (n = 7), vertical center (area II) (n = 7), and bottom end of the disk (area III) (n = 7)—were investigated. Moreover, sintering distortions generated by experimental FDPs were measured. Sintering distortion was detected in all areas. The direction of distortion varied by area—positive in area I, negative in area II, and approximately zero in area III—with a significant difference between areas I and II (p = 0.001). The largest absolute distortion was observed in c-MCL-A (area I); the corresponding marginal gaps were ~89.4 μm (second molar) and ~56.9 μm (first premolar), both below the clinical threshold of 120 μm. Full article
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