x-tra base – Flowable light-curing base composite from Voco

With x-tra base, VOCO presents a new flowable composite, designed especially for the bulk filling technique. This flowable, self-levelling composite enables up to 4 millimetre thick increments to be laid, which can then be light-cured especially quickly; and this in just one step and without time-consuming layering. A 4 millimetre increment of x-tra base in the shade ‘Universal’, for example, requires only 10 seconds of light-curing, and thereby only half of the time required for comparable products from other manufacturers. After the insertion and polymerisation of x-tra base, the stable restoration base requires only an occlusal covering layer with a methacrylate-based universal or posterior tooth composite. This enables an equally simple, efficient and safe restorative treatment in the posterior tooth area. x-tra base is suitable for lining Class I and II cavities, as well as for the first layer of cavity lining in Class I and II cavities.

Lining materials must satisfy great demands with regard to their stability. x-tra base is characterised by high compressive strength (350 MPa) and flexural strength (133 MPa). Due to a particularly high filler content for this material class of 75% by weight and the special resin matrix, x-tra base displays only very low shrinkage and distinctly reduced shrinkage stress. This ensures a reliable adhesive bond and the long-term success of the restoration treatment. x-tra base displays perfect flow behaviour, assuring excellent adaptation to the cavity walls. This flowable composite can be combined with all methacrylate-based bonds and composites and, at 350% Al, exhibits high radiopacity. x-tra base is available both in the non-run, non-drip NDT® syringe, and in convenient flow caps with flexible metal cannula. Both syringes and caps enable secure and precise application. x-tra base is supplied in the shades Universal and A2.

Manufacturer: VOCO GmbH, PO Box 767, 27457 Cuxhaven, Germany, www.voco.de

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