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State-of-the-Art Digital Dentistry

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Dentistry and Oral Sciences".

Deadline for manuscript submissions: 25 July 2025 | Viewed by 121

Special Issue Editors


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Guest Editor
Department Periodontology & Oral Implantology, Dental School, Faculty Medicine and Health Sciences, Ghent University, 9000 Ghent, Belgium
Interests: implantology; digitalization; dental radiology and periodontics
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Oro-Maxillo-Facial Surgery, Universitair Ziekenhuis Leuven, 3000 Leuven, Belgium
Interests: oral and maxillofacial surgery; dental radiology; 3D-imaging; computed tomography; implant dentistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Digital dentistry is evolving rapidly and new techniques and applications are introduced every day and in all areas of dentistry. The use of intra-oral scans, 3D printers, milling machines, digital radiographs and CBCT’s is considered everyday practice for both diagnostic purposes as well as for dental treatment. CAD/CAM restorations, guided implant surgery, 3D-printed oral devices, and AI-driven diagnosis are becoming increasingly available. The implementation of these digital tools in dentistry has led to faster, more predictable, and more straightforward treatment protocols. On the other hand, due to this rapid evolution, many of these newly introduced techniques, protocols, and printed materials have not yet been discussed in science. Therefore, we are proud to introduce a Special Issue of Applied Sciences: ‘State-of-the-Art Digital Dentistry’.

Dr. Maarten Glibert
Dr. Jeroen Van Dessel
Guest Editors

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Keywords

  • digital dentistry
  • implantology
  • orthodontics
  • computer assisted surgery

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Published Papers (1 paper)

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Research

17 pages, 3497 KiB  
Article
Annealing Effect After RF (Radio Frequency) Sintering of Dental Zirconia Block with Dramatically Reduced Sintering Time: Experimental Study
by Eun-Sung Choi, Je-Hoon Lee, Jung-Hyun Park and Ji-Hwan Kim
Appl. Sci. 2025, 15(10), 5754; https://doi.org/10.3390/app15105754 - 21 May 2025
Abstract
Objectives: Radio frequency (RF) induction sintering has demonstrated superior performance compared to conventional sintering methods in previous studies. Furthermore, the annealing process is expected to further enhance the mechanical properties of sintered zirconia. This study aimed to investigate the effects of annealing on [...] Read more.
Objectives: Radio frequency (RF) induction sintering has demonstrated superior performance compared to conventional sintering methods in previous studies. Furthermore, the annealing process is expected to further enhance the mechanical properties of sintered zirconia. This study aimed to investigate the effects of annealing on RF-sintered zirconia and provide empirical evidence supporting its role in optimizing sintering outcomes. Methods: A custom-built RF induction sintering furnace was utilized to process zirconia specimens under various annealing conditions (temperature range, annealing time). The sintered specimens underwent three-point flexural strength testing, followed by microstructural analysis using scanning electron microscopy (SEM). Statistical analysis was performed using one-way ANOVA and Tukey’s post hoc tests to assess the significance of differences between groups. Results: The optimal sintering temperature for RF induction sintering was determined to be 1350 °C, with a minimum annealing duration of 20 min at 1220 °C. Notably, even in the absence of annealing, RF sintering at 1350 °C for 20 min produced specimens with higher flexural strength than those obtained through conventional sintering methods. However, due to variability in mechanical properties, the incorporation of annealing is recommended for clinical applications to ensure consistency and reliability. Conclusions: RF induction sintering significantly reduced both energy consumption and processing time compared to conventional sintering techniques, particularly when combined with annealing. While full densification could be achieved within 20 min without annealing, a total processing time of 30 min, including annealing, was found to enhance process stability and ensure reliable mechanical properties. These findings suggest that both sintering and annealing are critical for achieving optimal densification in zirconia, with annealing playing a key role in improving consistency and reproducibility. Full article
(This article belongs to the Special Issue State-of-the-Art Digital Dentistry)
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