Advancements in Zirconia Dental Restorations

A special issue of Prosthesis (ISSN 2673-1592). This special issue belongs to the section "Prosthodontics".

Deadline for manuscript submissions: 20 September 2025 | Viewed by 2778

Special Issue Editors


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Guest Editor
Department of Prosthetic Dentistry, University of Munich (LMU), 80336 Munich, Germany
Interests: dental materials; PEEK

E-Mail Website
Guest Editor
Department of Prosthetic Dentistry, University of Munich (LMU), 80336 Munich, Germany
Interests: tooth colored mate-rials, such as ceramics and polymers

Special Issue Information

Dear Colleagues,

This Special Issue focuses on advancements in the modification of zirconia. Original research articles and reviews are welcome.

In the literature, 3Y-TZP has been conclusively examined, especially with regard to its long-term performance. However, information about novel zirconia formulations (4Y-TZP, 5Y-TZP, …) and their clinical performance is, in comparison, still lacking. Novel zirconia formulations and compositions promise esthetic benefits and possess notable mechanical properties. This Special Issue thus welcomes the submission of research investigating the esthetic and mechanical properties of these novel compositions, as well as their manufacturing with regard to high-speed sintering protocols. The scope of this Special Issue also includes the bonding of advanced zirconia following adequate surface pretreatments and adhesive systems.

With a focus on advanced zirconia modifications, their esthetic and mechanical properties, and their manufacturing and cementation, this Special Issue will supplement the existing literature in this rapidly evolving field.

We look forward to receiving your contributions.

Prof. Dr. Bogna Stawarczyk
Dr. Felicitas Mayinger
Guest Editors

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Keywords

  • zirconia
  • ceramic
  • high-speed sintering
  • cementation
  • 3Y-TZP
  • 4Y-TZP
  • 5Y-TZP

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Published Papers (2 papers)

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15 pages, 1338 KiB  
Article
Survival of Chairside Posterior Single Crowns Made from InCoris TZI Zirconia—A Retrospective Analysis up to 10 Years
by Julius Jules Neuhöffer, Lea Stoilov, Norbert Enkling, Helmut Stark, Dominik Kraus and Milan Stoilov
Prosthesis 2024, 6(5), 1118-1132; https://doi.org/10.3390/prosthesis6050081 - 11 Sep 2024
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Abstract
Objective: The aim of the present study was to evaluate the long-term clinical survival and success of chairside-fabricated single-tooth monolithic zirconia restorations on posterior teeth using the speed sintering process. Materials and Methods: Between 2012 and 2022, 250 single-tooth crowns were fabricated for [...] Read more.
Objective: The aim of the present study was to evaluate the long-term clinical survival and success of chairside-fabricated single-tooth monolithic zirconia restorations on posterior teeth using the speed sintering process. Materials and Methods: Between 2012 and 2022, 250 single-tooth crowns were fabricated for 193 patients using the CEREC® chairside workflow. Restorations were fabricated from monolithic 3Y-TZP zirconia (InCoris TZI, Dentsply Sirona©, Bensheim, Germany) as full-contour crowns. The same clinician performed all procedures. Luting was performed using self-adhesive resin-based cements or glass ionomer cement. Retrospective analysis was conducted, defining survival as crowns still in function regardless of any interventions, and success as crowns that remained functional without the need for intervention. Statistical analysis was performed using Kaplan–Meier analysis, considering “refabrication” and “intervention” as endpoints. Results: Of the 250 crowns, a total of 162 (64.8%) crowns showed success. Over the whole observation period, 44 crowns (17.6%) required refabrication, and 88 (35.2%) required intervention. Mean survival without refabrication was 7.43 years, with a 5- and 7.5-year survival of 86.9% and 76.6%. The mean survival without intervention was 6.5 years, with a 5- and 7.5-year survival of 70.8% and 59.9%. Conclusions: Under appropriate technical conditions, chairside-fabricated 3Y-TZP zirconia single-tooth crowns represent a viable fabrication method. Neither the cementation mode nor the crown position—whether on premolars or molars—significantly impacted the survival rates. Full article
(This article belongs to the Special Issue Advancements in Zirconia Dental Restorations)
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13 pages, 12855 KiB  
Case Report
Minimally Invasive Resin-Bonded Zirconia Veneers for the Treatment of Discolored Teeth: A Multidisciplinary Case Report by the First Committee of Junior Members of the Italian Dental Prosthesis and Oral Rehabilitation Society (SIPRO)
by Stefano Bertoni, Massimo Carossa, Riccardo Favero, Fabio Carboncini and Luigi Federico D’arienzo
Prosthesis 2025, 7(1), 1; https://doi.org/10.3390/prosthesis7010001 - 24 Dec 2024
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Abstract
Objectives: Among modern metal-free materials, zirconia, a high-performance ceramic material that can only be manufactured through CAM procedures, has certainly exponentially gained popularity thanks to its mechanical strength, biocompatibility, esthetic, and versatility. However, one of the main debates that has been raised in [...] Read more.
Objectives: Among modern metal-free materials, zirconia, a high-performance ceramic material that can only be manufactured through CAM procedures, has certainly exponentially gained popularity thanks to its mechanical strength, biocompatibility, esthetic, and versatility. However, one of the main debates that has been raised in relation to zirconia is its usage as an adhesive material. The present case report describes the clinical outcome of a multidisciplinary case finalized with adhesive minimally invasive zirconia veneers for the treatment of discolored teeth after a 24-month follow-up. Methods: A 19-year-old female patient with discolored upper frontal teeth (first premolar to first premolar) negatively affecting her self-esteem and social life was visited by a prosthodontic specialist. The treatment plan included orthodontic treatment, soft and hard tissue management through surgical procedures, and, lastly, minimally invasive adhesive zirconia veneers. The zirconia veneers bonding was performed under a rubber dam by conditioning the dental substrate by sandblasting the enamel with 40-micron aluminum oxide, etching with orthophosphoric acid 37%, and using a proper adhesive system. Monolithic zirconia restorations were sandblasted with 70-micron aluminum oxide at 0.2 MPa, then cleaned with a specific cleaner, and treated with a primer. Results: At the last follow-up (24 months), neither biological nor mechanical complications were observed. The patient anecdotally reported being very satisfied with the functional and esthetic results obtained. Therefore, the case was considered successful. Conclusions: Within the limitations of the present case report, the reported case on the use of minimally invasive resin-bonded zirconia veneers for the treatment of discolored teeth showed excellent outcomes after a 24-month follow-up. The use of zirconia as an adhesive material seems to be emerging. However, more clinical studies are required to validate the procedure. Full article
(This article belongs to the Special Issue Advancements in Zirconia Dental Restorations)
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