Yttria-Stabilized Zirconia

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What is the meaning of Yttria-Stabilized Zirconia?

Yttria-Stabilized Zirconia is widely used term in Dental Materials.

Yttria-Stabilized Zirconia (YSZ) is a dental material that consists of zirconium dioxide (ZrO2) stabilized with the addition of yttrium oxide (Y2O3).

Zirconia is a ceramic material known for its high strength, chemical resistance, and biocompatibility, which makes it suitable for use in dental applications. However, pure zirconia undergoes a phase transformation at high temperatures, which can lead to cracking and reduced durability in dental restorations.

To overcome this limitation, yttrium oxide is added to zirconia to stabilize its crystal structure, preventing the phase transformation and improving the material’s mechanical properties and performance. The yttria-stabilized zirconia has excellent strength, fracture resistance, and low thermal conductivity, making it an ideal material for dental crowns, bridges, and implants. Additionally, it has good esthetics due to its high translucency and can be color-matched to natural teeth.

Overall, Yttria-Stabilized Zirconia is a dental material that combines the benefits of zirconia’s inherent properties with the stabilizing effects of yttrium oxide, resulting in a durable, strong, biocompatible, and aesthetically pleasing material for dental restorations.

Feel free to get in touch with experts, if you have any questions about Yttria-Stabilized Zirconia. You can also browse more terms meanings on our dictionary page.

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