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Advanced Materials and Technology in Implant-Prosthetic Dentistry

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

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 3856

Special Issue Editors


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Guest Editor
PhD in Materials for Health, Environment, and Energy, University of Rome Tor Vergata, Rome, Italy
Interests: digital dentistry; intraoral scanner; computer guided surgery; navigation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Oral and Maxillo-Facial Sciences, “Sapienza”, University of Rome, 00185 Rome, Italy
Interests: oral surgery; maxillofacial surgery; implantology; periodontology; endodontic microsurgery
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the last decade, the introduction of new materials and the application of digital technologies have deeply changed dentistry, and in particular the fields of prosthodontics and implantology. CAD/CAM technology has been a game changer for the production of tooth-borne and implant-supported fixed dental prostheses, relying on new materials that are developed daily to increase mechanical and aesthetic properties. The use of intraoral scanners is spreading, its constant improvements in terms of software and hardware allowing the clinician to deal with most clinical scenarios with a growing level of accuracy and practicality. The concept of implantology has also been revolutionized, with new grafting materials, new implant materials and surface treatments, new drilling protocols, as well as new fixture and connection designs, to permit a safer and faster osteointegration and its maintenance even in the most challenging situations. The growing interest in minimally invasive implant placement has led to the development of numerous guided surgery systems and technologies. The new technological advancements have significantly improved data acquisition, leading to accurate and more realistic 3D rendering of implant site characteristics and neighboring anatomy and providing more insight into surgical, prosthetic, and esthetic requirements of treatment. Computer-assisted implant positioning includes static and dynamic systems. Static-guided surgery is synonymous with a predetermined implant position without real-time visualization of the implant site preparation as it is being achieved by means of a CAD/CAM template, with metal sleeves and a coordinated surgical instrumentation. Dynamic guided surgery or navigation allow a real-time visualization of implant site preparation while the drills function, without any template hiding the surgical field or hampering soft tissue handling.

This Special Issue is intended to cover all the basic and clinical research facing the abovementioned topics.

Dr. Lorenzo Arcuri
Prof. Dr. Massimo Galli
Guest Editors

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Keywords

  • digital dentistry
  • intraoral scanner
  • computer guided surgery
  • navigation
  • CAD/CAM
  • dental implants
  • grafting materials
  • implant surface
  • implant connection

Published Papers (2 papers)

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10 pages, 7113 KiB  
Article
Influence of Implant Scanbody Wear on the Accuracy of Digital Impression for Complete-Arch: A Randomized In Vitro Trial
by Lorenzo Arcuri, Fabrizio Lio, Veronica Campana, Vincenzo Mazzetti, Francesca Romana Federici, Alessandra Nardi and Massimo Galli
Materials 2022, 15(3), 927; https://doi.org/10.3390/ma15030927 - 25 Jan 2022
Cited by 14 | Viewed by 2210
Abstract
The aim of this study was to evaluate the influence of implant scanbody (ISB) wear on the accuracy of digital impression for complete-arch. A polymethylmethacrylate (PMMA) edentulous mandibular model with four internal hexagonal interlocking conical connections was scanned with an extraoral optical scanner [...] Read more.
The aim of this study was to evaluate the influence of implant scanbody (ISB) wear on the accuracy of digital impression for complete-arch. A polymethylmethacrylate (PMMA) edentulous mandibular model with four internal hexagonal interlocking conical connections was scanned with an extraoral optical scanner to achieve a reference file. Four cylindrical polyetheretherketone (PEEK) ISBs were scanned 30 times with IOS, and the test files were aligned to the reference file with a best-fit algorithm. For each analog linear (ΔX, ΔY and ΔZ-axis) and angular deviations (ΔANGLE) were assessed. Euclidean distance (ΔEUC) was calculated from the linear deviation, reporting a mean of 82 µm (SD 61) ranging from 8 to 347 µm. ΔANGLE error mean was 0.33° (SD 0.20), ranging from 0.02 to 0.92°. From a multivariate analysis, when ΔEUC was considered as a response variable, a significant influence of ISB wear by scan number in interaction to position for implant 3.6 was identified (p < 0.0001); when ΔANGLE was considered as a response variable, a significant effect of position 3.6 was recorded ((p < 0.0001). The obtained results showed that the ISB wear negatively influenced the accuracy of IOS, suggesting that ISB base wear could be detrimental for the seating of ISBs on angulated implants. Full article
(This article belongs to the Special Issue Advanced Materials and Technology in Implant-Prosthetic Dentistry)
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13 pages, 2650 KiB  
Systematic Review
Accuracy of Computer-Assisted Flapless Implant Placement by Means of Mucosa-Supported Templates in Complete-Arch Restorations: A Systematic Review
by Paolo Carosi, Claudia Lorenzi, Fabrizio Lio, Pierluigi Cardelli, Alessandro Pinto, Andrea Laureti and Alessandro Pozzi
Materials 2022, 15(4), 1462; https://doi.org/10.3390/ma15041462 - 16 Feb 2022
Cited by 21 | Viewed by 1899
Abstract
The aim of this study was to systematically review the current scientific literature regarding the accuracy of fully guided flapless implant positioning for complete-arch rehabilitations in edentulous patients and to assess if there was any statistically significant correlation between linear deviation at shoulder [...] Read more.
The aim of this study was to systematically review the current scientific literature regarding the accuracy of fully guided flapless implant positioning for complete-arch rehabilitations in edentulous patients and to assess if there was any statistically significant correlation between linear deviation at shoulder point, at apex point and angular deviation. The electronic and manual literature search of clinical studies was carried out using specified indexing terms. A total of 13 studies were eligible for qualitative analysis and 277 edentulous patients were rehabilitated with 1556 implants patients by means of fully guided mucosa-supported template-assisted flapless surgery. Angular deviation was 3.42° (95% CI 2.82–4.03), linear deviation at shoulder point 1.23 mm (95% CI 0.97–1.49) and linear deviation at apex point 1.46 mm (95% CI 1.17–1.74). No statistically significant correlations were found between the linear and angular deviations. A statistically significant correlation was found between the two linear deviations (correlation coefficient 0.91) that can be summarized by the regression equation y = 0.03080 + 0.8254x. Computer-assisted flapless implant placement by means of mucosa-supported templates in complete arch restorations can be considered a reliable and predictable treatment choice despite the potential effects that flapless approach could bring to the overall treatment. Full article
(This article belongs to the Special Issue Advanced Materials and Technology in Implant-Prosthetic Dentistry)
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