Updated: Jun 28, 2026

Oral Biofilm Formation on Different Materials for Dental Implants
Published on: June 24, 2018
Rolf Rösch1, Regina Mericske-Stern
1Klinik für Zahnärztliche Prothetik, Universität Bern. rolf.roesch@zmk.unibe.ch
This study explores the use of zirconia in removable prosthodontics. Traditional gold alloys are being replaced by zirconia for primary crowns. The double crown technique is central to this approach. CAD/CAM and Galvanoforming technologies are used to fabricate precise prosthetics. The study finds that zirconia offers improved biocompatibility and aesthetics. The combination of these methods results in high-quality reconstructions. The authors suggest zirconia is a viable alternative to gold alloys in this field.
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Area of Science:
Background:
The use of zirconia in dental applications has grown rapidly. Traditional materials like gold alloys have long been standard for primary crowns in removable prosthetics. However, recent developments in ceramic materials have introduced alternatives. Zirconia is now being explored in removable prosthodontics. This shift is driven by the need for improved biocompatibility and aesthetics. The double crown technique remains central to this field. Prior research has shown that gold alloys offer good fit and durability. But limitations such as metal allergy and esthetic concerns remain unresolved. This gap motivated the investigation of zirconia as a viable replacement.
Purpose Of The Study:
This study aims to evaluate the use of zirconia in removable prosthodontics. Specifically, it focuses on the double crown technique. The goal is to assess zirconia’s suitability as a replacement for gold alloys. The study also examines the integration of CAD/CAM technologies. These tools are essential for fabricating precise frameworks. The Galvanoforming process is highlighted for secondary crowns. The study seeks to confirm if zirconia can match or exceed gold alloys in quality. The motivation stems from the need for better biocompatibility and aesthetics.
The study suggests zirconia may offer better biocompatibility and aesthetics than gold alloys.
CAD/CAM is used to fabricate precise frameworks for zirconia-based prosthetics.
Galvanoforming ensures accurate fabrication of secondary crowns in the double crown technique.
This technique allows for high-quality prosthetic reconstructions with improved fit.
Tests showed zirconia prosthetics are well-tolerated and may reduce allergy risks.
Main Methods:
The study employs a combination of CAD/CAM and Galvanoforming technologies. Zirconia is used for primary telescopic crowns. Gold alloys are replaced in this process. The Galvanoforming method is applied to fabricate secondary crowns. This approach ensures precision in prosthetic reconstruction. The double crown technique is central to the design. Frameworks are fabricated using computer-aided design. The study evaluates fit, quality, and biocompatibility. No prior work had resolved the full integration of zirconia in this context.
Main Results:
Zirconia proved effective in primary crown fabrication. The double crown technique showed improved fit and durability. CAD/CAM technologies enhanced the precision of frameworks. Galvanoforming ensured accurate secondary crowns. The combination of both methods yielded high-quality prosthetics. Biocompatibility tests showed favorable outcomes. Aesthetics improved compared to gold alloys. The study suggests zirconia is a viable alternative in removable prosthodontics.
Conclusions:
The study concludes that zirconia is a suitable replacement for gold alloys. The double crown technique benefits from zirconia’s properties. CAD/CAM and Galvanoforming technologies are essential in this process. The combination ensures high-quality prosthetic reconstructions. Biocompatibility and fit are key advantages of zirconia. The authors propose that this approach may improve patient outcomes. No prior work had resolved the full integration of zirconia in this context. The findings suggest further exploration of zirconia in removable prosthodontics.
The authors propose zirconia could become a standard material in removable prosthodontics.