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September 26, 2013
We don't use Sirona but rather Amann Girrbaach. I occasionally get a chipped margin but it is usually due to dull burs or someone touching the machine during a program. If you are using fresh burs and the machine is calibrated properly, I question the quality of the bur and the spindle.
We don't use sirona, however with our system we stopped using the systems tools and when with a third party. We have eliminated chipping almost totally, and the tools are now in use 3 times as long. As for the chipping it might just be the mill itself. Try your spindle is it running true?
Hi my experience with Sironas in lab system is that its a cheap system never seen a great fit never mind its milling capabilities. sell it .