Recent Progress in Dental Biomaterials

A special issue of Bioengineering (ISSN 2306-5354). This special issue belongs to the section "Biomedical Engineering and Biomaterials".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 868

Special Issue Editor


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Guest Editor

Special Issue Information

Dear Colleagues,

In recent decades, biomaterials have become particularly important in dentistry. One of the goals of research is to improve the clinical performance, biocompatibility, antimicrobial and mechanical properties of products applied in dental offices. On the other hand, every day, new materials, offering enhanced properties and ease of use, are developed and introduced into the market. The focus on biomechanical engineering and interdisciplinary research is of particular importance to provide biomaterials with optimal characteristics and performance. In this light, there has been undisputable progress in the design of biomaterials for different applications in dentistry. Therefore, this Special Issue will focus on novel biomaterials and related techniques.

Reviews and research on both experimental and commercially available products are welcome.

Prof. Dr. Monika Lukomska-Szymanska
Guest Editor

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Keywords

  • biomaterials
  • dental materials
  • tissue engineering
  • bone or soft tissue regeneration
  • dental caries
  • tooth wear
  • dental techniques
  • prosthodontics
  • endodontics
  • restorative dentistry
  • implantology
  • periodontology

Published Papers (1 paper)

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Research

10 pages, 7216 KiB  
Article
Comparison of De-Torque and Failure Load Evaluation of Selective-Laser-Sintered CoCr, CAD-CAM ZrO, and Machined Implant Abutment/Restoration
by Fahim Vohra, Rawan Alsaif, Rawaiz Khan and Ishfaq A. Bukhari
Bioengineering 2024, 11(5), 448; https://doi.org/10.3390/bioengineering11050448 - 30 Apr 2024
Viewed by 649
Abstract
Aim: This study aimed to compare the torque loss, fracture load, compressive strength, and failure types of selective-laser-sintered cobalt chromium (SLM-Co-Cr), computer-aided design and computer-aided manufacturing zirconium oxide (CAD-CAM-ZrO), and machined titanium (Ti) implant abutments. Methods: Thirty endosseous dental implants were vertically embedded [...] Read more.
Aim: This study aimed to compare the torque loss, fracture load, compressive strength, and failure types of selective-laser-sintered cobalt chromium (SLM-Co-Cr), computer-aided design and computer-aided manufacturing zirconium oxide (CAD-CAM-ZrO), and machined titanium (Ti) implant abutments. Methods: Thirty endosseous dental implants were vertically embedded with machined Ti (control group), CAD-CAM-ZrO, and SLM-Co-Cr abutments. Abutment fabrication involved CAD-CAM milling and SLM technology. The de-torque assessment included preload reverse torque values (RTVs), cyclic loading, and post-RTVs using a customized protocol. Fracture load assessment employed ISO-14801 standards, and statistical analysis was conducted using ANOVA and Tukey Post hoc tests (p < 0.05). Results: In pre-load RTVs, SLM-Co-Cr showed the lowest mean torque loss (24.30 ± 2.13), followed by machined Ti (27.33 ± 2.74) and CAD-CAM-ZrO (22.07 ± 2.20). Post-load RTVs decreased for all groups. Fracture load and compressive strength were highest for SLM-Co-Cr, with significant differences among groups (p < 0.001). Fracture types included abutment failures in SLM-Co-Cr and machined Ti, while CAD-CAM-ZrO exhibited crown separation with deformation. Conclusion: SLM-Co-Cr-fabricated implant abutments exhibited superior stability and resistance to rotational forces, higher fracture loads, and greater compressive strength compared to CAD-CAM-ZrO and machined Ti. Full article
(This article belongs to the Special Issue Recent Progress in Dental Biomaterials)
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