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Prosthodontics: Current Clinical Trends and Future Directions
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Prosthodontics: Current Clinical Trends and Future Directions

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Dentistry, Oral Surgery and Oral Medicine".

Deadline for manuscript submissions: closed (25 May 2023) | Viewed by 9975

Special Issue Editor

Prof. Dr. Jeremias Hey

E-Mail Website
Guest Editor
Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, 14197 Berlin, Germany
Interests: maxillofacial prosthodontics; hybrid material for 3D printing; dental education; digital total dentures; zirconia; dental implants

Special Issue Information

Dear Colleagues,

The general trend towards personalized medicine will further increase the diversity of materials and treatments in dental prosthetics as well. The driving force in the future will be the desire for improved facial esthetics, which is significantly influenced by the teeth. The integration of digital intraoral and extraoral surface images as well as three-dimensional imaging already allow treatment options and their impact on facial esthetics to be more visualizable, more precisely plannable, and more reliably achievable. In order to stabilize the treatment result, functional aspects will be incorporated even more strongly into the creation of dental restorations in the future. Digital articulators have been successfully integrated into the design software for dental restorations in recent years and now allow the complex individual movements of the mandible to be taken into account in the design. In addition to the innovations in computer-aided subtractive milling technology, we can look forward with anticipation to the developments in computer-aided additive manufacturing technologies. The printing of hybrid materials and ceramic dentures seem to allow completely new possibilities regarding design geometries. These aspects open up new indication areas for minimally invasive concepts. The same was true of all-ceramic zirconia restorations just a few years ago. We are now curious to see the long-term clinical performance of the various oxide ceramic generations. For this Special Issue, we invite authors to submit contributions on the current clinical progress of dental prosthodontics in the field of digital treatment options and testing of modern materials for dental restorations.

Prof. Dr. Jeremias Hey
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Clinical Medicine is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • pure dental ceramics 
  • rapid stereolithographic ceramic manufacturing
  • CAD CAM technologies
  • artificial intelligence
  • digital workflow
  • digital articulator
  • personalized medicine

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Published Papers (3 papers)

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Research

13 pages, 16927 KiB  
Article
Implant or Tooth?—A Prospective Clinical Study on Oral Health-Related Quality of Life for Patients with “Unrestorable” Teeth
by Maria Bruhnke, Michael Naumann, Florian Beuer, Insa Herklotz, Mats Wernfried Heinrich Böse, Stefan Neumeyer and Manja von Stein-Lausnitz
J. Clin. Med. 2022, 11(24), 7496; https://doi.org/10.3390/jcm11247496 - 17 Dec 2022
Cited by 1 | Viewed by 2725
Abstract
In cases of severely compromised teeth, dental practitioners are confronted with the therapeutic decision of whether to restore a tooth or replace it with an implant. Comparative scientific evidence on patient perception of both treatment approaches is scarce. The subject of this prospective [...] Read more.
In cases of severely compromised teeth, dental practitioners are confronted with the therapeutic decision of whether to restore a tooth or replace it with an implant. Comparative scientific evidence on patient perception of both treatment approaches is scarce. The subject of this prospective clinical study was to compare oral health-related quality of life (OHRQoL) between two treatment groups: restoration of severely destroyed teeth after orthodontic extrusion (FOE) versus tooth extraction and implant-supported single crown restoration (ISC). A self-selected trial was performed with 21 patients per group. OHRQoL was assessed with the aid of the Oral Health Impact Profile (OHIP-G49) at different time intervals: before treatment (T1), after treatment (T2), after restoration (T3) and at recall (T4). Overall, OHIP scores improved from baseline to follow-up for both concepts with no significant differences between groups. There were no significant differences in subscales between FOE and ISC at T1, T3 and T4. In terms of functional limitations (p = 0.003) and physical disability (p = 0.021), patients in the FOE group temporarily exhibited lower OHRQoL at T2 in comparison to the ISC group. However, at baseline, after final restoration and at recall, the study demonstrates the same level of OHRQoL for both treatment concepts. Full article
(This article belongs to the Special Issue Prosthodontics: Current Clinical Trends and Future Directions)
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8 pages, 266 KiB  
Article
Active Tactile Sensibility in Implant Prosthesis vs. Complete Dentures: A Psychophysical Study
by Diego González-Gil, Ibrahim Dib-Zaitun, Javier Flores-Fraile and Joaquín López-Marcos
J. Clin. Med. 2022, 11(22), 6819; https://doi.org/10.3390/jcm11226819 - 18 Nov 2022
Cited by 2 | Viewed by 1877
Abstract
Background and Objectives: Proprioceptive information from natural dentition and adjacent oral tissues enables correct masticatory function, avoiding damage to the teeth. Periodontium is the main source of this relevant information, and when a tooth is lost, all this proprioceptive sensibility relies on receptors [...] Read more.
Background and Objectives: Proprioceptive information from natural dentition and adjacent oral tissues enables correct masticatory function, avoiding damage to the teeth. Periodontium is the main source of this relevant information, and when a tooth is lost, all this proprioceptive sensibility relies on receptors from muscles, the mucous membrane or the temporomandibular joint, and this sensibility gets worse. Active tactile sensibility measures this proprioceptive capability in microns by psychophysical studies consisting of introducing thin metal foils between patients’ dental arches during chewing to see if they are able to notice them or not. Osseoperception is a complex phenomenon that seems to improve this sensibility in patients wearing dental implants. The objective of this investigation is to measure this sensibility in different prosthetic situations by performing a psychophysical investigation. Material and Methods: We divided 67 patients in three groups depending on their prosthetic situation and performed a psychophysical study by introducing aluminium foils of different thicknesses in order to establish an active tactile sensibility threshold in every group. We also measured variables such as prosthetic wearing time, age or gender to see how they may influence threshold values. We used Student’s t-test and Mann–Whitney U tests to analyse these results. Results: Active tactile sensibility threshold values in implants are lower than those from complete dentures but higher than values in natural dentition. However, values in implants are closer to natural dentition than complete denture values. Age, gender or prosthetic wearing time have no influence in active tactile sensibility thresholds. Conclusion: Active tactile sensibility threshold values depend on prosthetic rehabilitations and the mechanoreceptors involved in every situation. Implant prosthesis presents an increased active tactile sensibility thanks to osseoperception phenomenon. Full article
(This article belongs to the Special Issue Prosthodontics: Current Clinical Trends and Future Directions)
14 pages, 3367 KiB  
Article
Fracture Load and Fracture Patterns of Monolithic Three-Unit Anterior Fixed Dental Prostheses after In Vitro Artificial Aging—A Comparison between Color-Gradient and Strength-Gradient Multilayer Zirconia Materials with Varying Yttria Content
by Max L. Pöppel, Martin Rosentritt, Richard Sturm, Florian Beuer, Jeremias Hey, Alois Schmid and Franziska Schmidt
J. Clin. Med. 2022, 11(17), 4982; https://doi.org/10.3390/jcm11174982 - 25 Aug 2022
Cited by 9 | Viewed by 4377
Abstract
(1) Background: Due to advantages such as avoidance of chipping, pulp-friendly tooth preparation and cost reduction, zirconia is increasingly being used monolithically without veneering. Nevertheless, to enable good aesthetics, various multilayer systems have been developed. The aim of this study was to investigate [...] Read more.
(1) Background: Due to advantages such as avoidance of chipping, pulp-friendly tooth preparation and cost reduction, zirconia is increasingly being used monolithically without veneering. Nevertheless, to enable good aesthetics, various multilayer systems have been developed. The aim of this study was to investigate the impact of different zirconia multilayer strategies and yttria levels on fracture load, fracture pattern, stress distribution and surface roughness. (2) Methods: Monolithic three-unit anterior FDPs were made from three different color-gradient zirconia multilayer materials with different yttria levels corresponding to varying strength and degrees of translucency grades (Katana HTML, STML, UTML, Kuraray) and one strength-gradient zirconia multilayer material (Katana YML, Kuraray) and artificially aged in a chewing simulator (1.2 × 106 load cycles, 50 N, 2 × 3000 thermocycles, 5–55 °C). Analyses of fracture load, fracture pattern, fracture surfaces, stress distribution and roughness were performed after the fracture load test. Shapiro–Wilk, Kruskal–Wallis, Mann–Whitney U-tests and one-way ANOVA were used (p < 0.05). (3) Results: Fracture loads of the high strength color-gradient material HTML and the strength-gradient material YML were comparable after 5 years of aging (p = 0.645). Increasing yttria levels resulted in a decrease in fracture resistance of 42–57% (p < 0.05). Surface roughness of different zirconia generations is comparable after polishing and aging. (4) Conclusions: Color-gradient multilayer zirconia materials and new strength-gradient zirconia materials with similar yttria levels in the basal layers show comparable mechanical properties and are suitable for anterior FDPs. Full article
(This article belongs to the Special Issue Prosthodontics: Current Clinical Trends and Future Directions)
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