A new technology from the University of Texas at Dallas could enable dentists to produce permanent, 3D-printed zirconia crowns in a single visit.
Key facts
- •Zirconia is considered the gold standard for dental restorations due to its strength and durability.
- •The new method uses porous graphite felt and a vacuum system to shorten the debinding process to under 30 minutes.
- •Current same-day 3D-printed crowns are typically made from ceramic resins, which are less durable than zirconia.
- •The research team received a $550,000 award from the National Science Foundation to support commercialization.
- •The findings were published in the journal Ceramics International.
Researchers at the University of Texas at Dallas have developed a 3D-printing method that significantly speeds up the production of zirconia dental restorations. By reducing the time required for the debinding process, the technology aims to allow dentists to create permanent crowns, bridges, and veneers in a single day. The team is currently working to commercialize the process with support from the National Science Foundation.
By the numbers
Overcoming the Debinding Bottleneck
Zirconia is a preferred material for dental work due to its strength and durability, but 3D printing it has historically been hindered by the debinding stage. This process, which removes the resin holding zirconia particles together, typically takes 20 to 100 hours to prevent cracking. The new UT Dallas method reduces this stage to less than 30 minutes. The system utilizes porous graphite felt that can reach temperatures exceeding 2,550 degrees Fahrenheit, combined with a vacuum system to safely remove gases released by the resin. This allows the restoration to be produced within a few hours, a significant improvement over current methods that rely on time-consuming milling or long debinding cycles.
Commercialization and Next Steps
The research team, led by Dr. Majid Minary, is collaborating with Pan-AM Dental Laboratory and 3DCeram Sinto Inc. to bring the technology to market. The project recently received a $550,000 grant through the National Science Foundation's Partnerships for Innovation program. Before the technology can be used in dental practices, it must still undergo clinical validation and receive regulatory approval.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by ScienceDaily.
