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    Achieving esthetic results with Cercon

    How Dentsply Sirona’s material is used to create esthetic, durable restorations.

    When zirconia was first introduced for dental restorations, it was mainly used for posteriors. Between its color and opacity, it just didn’t look right for applications in the front of the mouth. Over time, and as manufacturers have brought new versions to market, the esthetics have improved. And the latest version by Dentsply Sirona—Cercon xt—is an impressive step in the right direction.

    Formula

    Cercon comes in two different varieties: Cercon ht and Cercon xt.

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    “Cercon ht is high translucency zirconia,” says Thomas Blanchette, lab manager at B&R Dental Laboratory in San Antonio. “It’s commonly getting known as posterior zirconia. It has a flexural strength of 1,200 MPa and a translucency level of about 40 percent. This is comparable to all the other BruxZir-type products or full-contour zirconia out there. What’s valuable about this product is that it is specifically shaded, and it is the most accurate shaded system on the market today.

    “Cercon xt is extra translucent,” Blanchette continues. “This material drops a little in strength; it drops to about 750 MPa. So, what happens is you have a drop in strength, but you have an increasing translucency. The translucency goes up to about 49 percent on this material, so, basically, what this is able to do is it lets us do all other indications in the mouth that you can prescribe for a zirconia crown. What we are doing in our lab today is we’re saying that for anything in the posteriors, prescribe Cercon ht. For anything anterior, prescribe Cercon xt, due to the fact that in the posteriors you have less esthetics and in the anterior more esthetic is desired.”

    Blanchette has used Cercon for about six months and he says it proves to be a solid performer when compared to other formulations.

    “Initially this was something we were pushing for,” Blanchette says. “Some other people released their own products on the market. Some had good products, some didn’t. It was very hit or miss when you just chose to go all in with the company. For instance, if we purged all our old products and just went with a new product, it was very hit or miss as to whether you have a consistent product. But since it came out, we’ve had zero issues. And once we had three months of good production with it, we completely adapted all of our production to it.”

    Continue to page two to read more...

    Robert Elsenpeter
    Robert Elsenpeter is a freelance writer and frequent contributor to Dental Products Report and Dental Lab Products. He is also the ...

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