Many patients prefer to rely on prosthetics that have been tried & tested over decades: classical high-gold content alloys are their first choice. Crowns and bridges made from precious metal alloys and finished in the colour of the tooth therefore comprise an important alternative to the much more recent materials of ceramic or plastic, and will also continue to be made to a high quality in almost all laboratories in the future. The particular advantages of precious metal are excellent biological compatibility as well as high mechanical strength and long-term stability. The dental industry offers suitable alternatives with cheaper materials for more cost-conscious patients. So-called ECO alloys with reduced gold content can then be used. With their help, the advantages of gold alloys as well as the secure ceramic coating are retained. There is also saving potential with framework materials; non-precious metal alloys are still the material of choice here. Precise and price-orientated solutions can be realised, especially in combination with the modern methods of network production. A further trend is standing out with respect to production processes: in addition to the conventional analogue casting techniques, modern alloys can be increasingly processed using digital CAD/CAM methods. Metal dental structures are predominantly produced by milling. SLM (Selective Laser Melting) is available as an alternative production process in the manufacture of frameworks; it creates a more homogeneous surface and a more tension-free fit overall. Alternatively, in addition to cobalt-chrome alloys, silver palladium and palladium-base alloys can also be considered for CAD/CAM and SLM processes or also for the classical casting technique. As has been the case for a long time in the precious metal sector, the spectrum of modern NEM alloys now also includes complete systems for stains and coatings that – depending on the system – are suitable for pressing or layering techniques. Aesthetic requirements can thus also be satisfied in the NEM sector. Overall, significantly more than 1,000 alloys are available on today's market to dentists and dental technicians. However, in light of this plenitude of materials and a stream of new developments in methods, it is not easy to maintain an overview and to make the right choice of material. Dependent on the selected processing method of the respective alloys, the associated laboratory investment costs must also be taken into consideration. The International Dental Show (IDS), which takes place from 10 to 14 March 2015 in Cologne, again offers diverse aids to decision-making – even with respect to economic considerations – for all aspects of alloys and their processing options. This leading dental trade fair uniquely concentrates manufacturers from all around the world in one location and offers trade visitors from both practices and laboratories the chance to experience new dental developments live and to discuss them with experts from the dental industry. "The large and still-growing field of alloys conveys a good impression of the passion for innovation in the dental industry“, says Dr Markus Heibach, Executive Director at VDDI. "The 36th International Dental Show in Cologne offers ideal conditions for dentists and dental technicians that want to keep in touch with the latest developments in dental alloys and modern processing options. The continuously-growing visitor numbers highlight the importance of the IDS as an indispensable link between the dental industry on the one hand and practices and laboratories on the other hand." IDS takes place in Cologne every two years and is organised by the GFDI Gesellschaft zur Förderung der Dental-Industrie mbH, the commercial enterprise of the Association of German Dental Manufacturers (VDDI) and staged by Koelnmesse GmbH, Cologne. Note for editorial offices: Photos from the last IDS Cologne are available in our image database (Image database) on the Internet at http://www.ids-cologne.de/en/ids/home/index.php, “For the Press”. Please provide a sample copy or link if reproducing.
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