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HATTERSHEIM AM MAIN, Germany: Using different zirconia materials owing to patient-specific needs and indications can allow for the best possible outcomes, though it comes with the complication of different processing protocols. Kuraray Noritake Dental eliminates this problem through the KATANA Zirconia portfolio, a range of multilayered dental zirconias with harmonised sintering schedules. The latest member of the KATANA Zirconia family, KATANA Zirconia HTML (High Translucent Multi Layered) PLUS, is now available and delivers increased translucency and optimised colour without compromising its flexural strength.
KATANA Zirconia HTML PLUS is based on its tried and trusted predecessor KATANA Zirconia HTML and offers a multilayered colour structure and uniform strength distribution throughout the blank. It is suitable for a wide variety of indications, including long-span bridges with a minimum wall thickness of 0.4 mm in the anterior region and 0.5 mm in the posterior region. This allows for minimally invasive preparations, while the user can choose between a monolithic, cut-back or framework design, combined with the preferred finishing technique.
In-house refining of KATANA Zirconia HTML PLUS’s material composition and structure means that it possesses an increased translucency of 45% (compared with 43% for KATANA Zirconia HTML) as well as an even more natural shade appearance in finished restorations. The colour appears more vivid and more saturated, which leads to an improved optical integration with the adjacent teeth and gingivae. At the same time, a high flexural strength of 1,150 MPa is maintained.
When it comes to sintering KATANA Zirconia HTML PLUS, three options are available for single-tooth restorations and bridges with up to three units: a 54-minute high-speed sintering program especially valuable for remake and rush cases, a 90-minute program and the traditional seven-hour sintering program suitable for long-span restorations as well.
All three options and identical schedules are also available for the other members of the KATANA Zirconia family, including the new KATANA Zirconia YML, which comes with additional flexural strength and translucency gradation. Owing to this feature, the standardisation of manufacturing procedures becomes extraordinarily easy, and the risk of errors and inconsistent outcomes is minimised. More information about KATANA Zirconia HTML PLUS and the whole product family is available on the Kuraray Noritake Dental website.