Circograph
The zircon , also known as folk milling cutter, is used to manually create crowns and bridges made of zirconium and offers a wide range of indications for milling abutments of all kinds, bar constructions, occlusally screwed bridges made of full zirconium and telescopes.
history
The basic principle of the zircon was invented by Christoph Scheiner in 1603 with the pantograph . It refers to a device that is used to enlarge or reduce drawings.
In 2003 Enrico Steger developed the Zirkograph based on this principle. Milling of dentures made of zirconium was possible with high precision, the deviation was only 0.01 mm. What was revolutionary was that the dentures could be milled almost one-to-one from the previously prepared tooth model. The zircograph was initially manufactured on the basis of four axes and then expanded to five axes.
The Zirkograph was widely used and popular in dental laboratories. Today this is being replaced by CAD / CAM milling technology.
Individual evidence
- ↑ IDS exhibition Zirkograph
- ^ Invention of the pantograph ( Memento from August 19, 2007 in the Internet Archive ).
- ↑ Product information Zirkograph ( Memento of the original dated May 14, 2011 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
