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Advances in Dental Implants: Materials, Procedures and Clinical Response

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

Deadline for manuscript submissions: 20 September 2025 | Viewed by 2413

Special Issue Editors


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Guest Editor
Department of Medicine and Technological Innovation, Research Center of Innovative Technology and Engineered Biomaterial, University of Insubria, 21100 Varese, Italy
Interests: implantology; biomechanics; prosthodontic rehabilitation; implant design

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Guest Editor
1. School of Dentistry, Department of Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, 25123 Brescia, Italy
2. UOC Odontostomatologia ASST Spedali Civili di Brescia, 25123 Brescia, Italy
Interests: perio; implants; hygiene
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Special Issue Information

Dear Colleagues,

Implant rehabilitation is a procedure in exponential evolution, fueled by a compelling social mandate for faster, more reliable, and more accessible solutions. The pursuit of biomimetic outcomes and easier-to-perform therapies leads clinicians to seek innovative solutions, occasionally not supported by enough established scientific certainties about the clinical and biological response. This implies a rapid evolution towards materials and operative procedures with incomplete understanding.

This Special Issue is marked by the desire to emphasize a critical and proactive reevaluation of the potential risks, benefits, and indications of innovative solutions, materials, and designs in prosthetic implant rehabilitation and its related regenerative procedures. New knowledge or confirmation of clinical and experimental results is being sought, with a focus on rehabilitation methods, design, and material usage. These factors significantly influence short-, medium-, and long-term outcomes, presenting benefits and complications that yield specific indications and limits. Therefore, researchers are encouraged to present studies exploring biological or mechanical complications or advantages, usage indications, and design considerations in rehabilitative procedures with dental implants, including regenerative methods.

Dr. Davide Farronato
Dr. Magda Mensi
Guest Editors

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Keywords

  • dental implant materials and design
  • prosthetic materials and design
  • biomaterials
  • biomechanics
  • bone substitutes
  • soft tissue substitutes
  • clinical applications of dental implants
  • clinical applications of bone regeneration
  • digital dentistry
  • risk factors in implantology.

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Published Papers (2 papers)

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Research

14 pages, 1899 KiB  
Article
Factors Influencing the Screw Stability of Implant-Supported Single Crowns: An In Vitro Study
by Shaza Bishti, Mohamad Shams Eddin Alsagher, Martin Homa, Stefan Wolfart and Taşkın Tuna
Materials 2025, 18(3), 506; https://doi.org/10.3390/ma18030506 - 23 Jan 2025
Viewed by 782
Abstract
The aim is to investigate the impact of retention type, implant/abutment angulation, and the presence of sealant/antimicrobial agents on screw loosening of implant-supported restorations. Fifty dental implants along with their respective abutments and screws were allocated to five groups (n = 10). The [...] Read more.
The aim is to investigate the impact of retention type, implant/abutment angulation, and the presence of sealant/antimicrobial agents on screw loosening of implant-supported restorations. Fifty dental implants along with their respective abutments and screws were allocated to five groups (n = 10). The groups were categorized based on type of crown retention (screw-/cement-retained), implant/abutment angulation (0°/20°), and type of disinfectant/sealant as follows: Cem_control (cemented/0°/none), Cem_GP (cemented/0°/gutta-percha), Cem_CHX (cemented/0°/chlorhexidine), Cem_Ang (cemented/20°/none), and Screw (screwed/0°/ none). Abutment screws were tightened (20 Ncm), and CAD/CAM zirconia crowns were fabricated. Glass ionomer cement was used for crown cementation in the cemented groups. Samples were subjected to dynamic loading in a chewing simulator (1,200,000 cycles/98 N). After loading, the reverse torque values (RTVs) of the abutment screws were determined (Ncm) using an electronic screwdriver, and the reverse torque difference (RTD) was subsequently calculated. The lowest RTD was reported in group Cem_GP (−2.22 ± 1.03), whereas the highest RTD was seen in group Screw (−4.65 ± 1.79). Group Screw showed a statistically significant difference from all other groups (p < 0.05). No statistically significant difference between the cemented test groups Cem_GP, Cem_CHX, and Cem_Ang and the control group was found. Screw-retained restorations exhibited significantly greater RTD values compared to cement-retained ones. Implant/abutment angulation and the sealant/disinfectant appeared to have no notable effect on the screw stability of single-implant restorations. Full article
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16 pages, 1625 KiB  
Article
Long-Term Clinical Study on Sandblasted–Acid-Etched Surface Dental Implants: 12-Year Follow-Up
by Eugenio Velasco-Ortega, Jesús Pato-Mourelo, Borja López-López, Loreto Monsalve-Guil, Jesús Moreno-Muñoz, José López-López, Enrique Núñez-Márquez, Nuno Matos Garrido, José Luis Rondón-Romero, Álvaro Jiménez-Guerra and Iván Ortiz-García
Materials 2025, 18(1), 183; https://doi.org/10.3390/ma18010183 - 4 Jan 2025
Viewed by 1096
Abstract
Sandblasting and acid etching are common procedures used to treat implant surfaces, enhancing osseointegration and improving clinical success rates. This clinical study aimed to evaluate the long-term outcomes of sandblasted and acid-etched implants. A total of 303 implants were placed in 114 partially [...] Read more.
Sandblasting and acid etching are common procedures used to treat implant surfaces, enhancing osseointegration and improving clinical success rates. This clinical study aimed to evaluate the long-term outcomes of sandblasted and acid-etched implants. A total of 303 implants were placed in 114 partially and totally edentulous patients using a two-stage surgical technique and an early loading protocol (6–8 weeks). Clinical findings for implants and prosthetics were evaluated over a 12-year follow-up period. A total of 12 implants (3.9%) failed, with 3 failures occurring during the healing period before loading and 9 due to peri-implantitis. The cumulative survival rate for all implants was 96.1%. A total of 156 prostheses were placed on 300 implants, 87 single crowns, 45 partial fixed bridges, 9 full-arch fixed restorations, and 15 overdentures. The mean marginal bone loss was 1.18 mm. (SD. 0.64 mm.). Thirty-nine implants (13%) in twenty-four patients exhibited peri-implantitis. Technical complications, including prosthetic screw loosening or fracture, ceramic chipping, and acrylic fractures, were observed in 24 subjects (21.1%). Sandblasted and acid-etched surface implants placed in the maxilla and mandible reported favorable outcomes and stable tissue conditions with an early loading protocol. Full article
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