Dental Tribune Europe
According to Kuraray Noritake Dental, KATANA Zirconia YML’s multilayered structure allows for the creation of restorations with flawless aesthetics, a precise fit and predictable long-term behaviour. (Image: Daniele Rondoni)

KATANA Zirconia YML: Reinventing multilayered zirconia

By Kuraray Noritake Dental
June 16, 2021

HATTERSHEIM AM MAIN, Germany: It is both a blessing and a curse that different zirconia materials are used depending on the indication—a blessing because it allows dental technicians to achieve the best possible outcomes in every situation, but a curse because this approach requires extensive inventory and the making of many decisions. For those who prefer to take a more efficient route without compromising outcomes, KATANA Zirconia YML is the new go-to solution. With its strong core and translucent outer layer, this new generation of multilayered zirconia offers the properties needed for a broad indication range and easily obtainable aesthetics.

KATANA Zirconia YML is the reinvention of the original multilayer technology developed by Kuraray Noritake Dental over a decade ago. It features new raw materials of different yttria concentrations integrated into a four-layered structure. The result is a disc with a well-balanced combination of chroma, translucency and flexural strength gradation.

As all body layers have a flexural strength of at least 1,000 MPa, the new zirconia fulfils the requirements for a broad range of indications, including monolithic long-span restorations. With its proven colour gradient and super-high-translucency enamel layer, the aesthetic potential of KATANA Zirconia YML is so great that it is often sufficient to opt for a monolithic design for the desired restoration and a time-saving finishing procedure such as polishing or ultra-micro-layering with liquid ceramics like CERABIEN ZR FC Paste Stain.

The different layers in the blank transition well from one another through an in-house production procedure which ensures easy positioning of the restorations within the blank and the seamless multilayered structure required for flawless aesthetics, a precise fit and predictable long-term behaviour.

The advanced fabrication and material composition comes with another advantage: a 54-minute high-speed sintering procedure is available for single-tooth restorations and for bridges with up to three units. The optical and mechanical properties of the restorations are comparable with those completed after the alternative 90-minute or 7-hour sintering cycle.

KATANA Zirconia YML will be available from 1 July 2021. To celebrate the launch of the newest member of the KATANA Zirconia family, Kuraray Noritake Dental invites readers to join a virtual symposium on 3 July 2021 at 10:00 a.m. CET. There, dental professionals can learn how aesthetic outcomes can be achieved with minimal effort, how design flexibility puts the dentist in control and how the pace of procedures can be accelerated without compromising quality. Registration and further information can be found at www.kuraraysymposium.info.

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