Dental News - G-CAM: The ideal material for prostheses

Dental Tribune International

Mon. 11. October 2021

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COLOGNE, Germany: The research by Spanish company Graphenano Dental on the reinforcement of polymer matrices has made it a pioneer of the use of graphene nanotechnology in dentistry. At the 2021 International Dental Show in Cologne, Graphenano Dental exhibited its products, such as the G-CAM disc for CAD/CAM milling systems, which relies on this technology.

Graphene is a form of carbon in which the atoms are arranged in a single layer in a 2D honeycomb lattice nanostructure. Among its principal properties are its high traction resistance, lightness, biocompatibility and low coefficient of thermal expansion. Furthermore, it is ecological and recyclable.

“Unlike zirconia, for example, which is still widely used, our graphene nano-reinforced biopolymer G-CAM disc has excellent blending properties,” explained Graphenano Dental General Manager Jesús Martínez. He went on to say that “the appearance is extremely natural and resolves all the mechanical, physico-chemical and biological failures of the rest of the materials currently used in the industry”.

G-CAM disk packaging. (Image: Graphenano Dental)

The incorporation of graphene into polymers is an innovative strategy to improve mechanical properties, increasing the elastic modulus as well as the tenacity, reducing the appearance of cracks and/or the spreading of them, as well as decreasing the shrinkage rate during polymerisation.

“Our material also benefits patients, of course, as it is really light and a lot softer than zirconia. A zirconia prosthesis that weighs 70 g may only weigh as little as 12 g when manufactured using the resin and graphene combination. With G-CAM, patients feel no difference to their natural teeth,” Martínez added.

G-CAM has a CE mark, and Graphenano Dental has thus mainly focused on the European market, but is steadily branching out. The South and North American markets are its next target. The G-CAM disc has been submitted to the US Food and Drug Administration for market clearance, and it will be available throughout the US in two to three months.

To find out more about Graphenano Dental and the G-CAM disc, visit www.graphenanodental.com.

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