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Lab talk, the good, the bad, and the ugly
Dental-CAM
Straumann M series chipping emax
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<blockquote data-quote="HygienicBee" data-source="post: 294429" data-attributes="member: 21021"><p>I've heard there only about 5 of these machines being used in the US, but I figure someone would be able to give some advice on this problem. </p><p></p><p>Anyone who is familiar with the M series mill understands that it is capable of milling pretty much everything that can be milled. Long story short, when we use this machine to mill zirconia, it does so flawlessly, however when we try to mill e.max, 99% of the time it will chip the margin in the exact same spot on any crown. The burs are like new (We've only made about 4 e.max crowns) so I'm betting against it being the burs. I should also mention that the chip is not a result of importing designs rather than designing the crowns on the Dental Wings scanner that is required to even use the mill, as I've tested crowns imported from 3Shape from our design team as well as designed a crown myself directly from Cares Visual 12. Still it always chips right at the last stage of milling the margin. </p><p></p><p>If anyone can save me from this hell I would be forever grateful</p></blockquote><p></p>
[QUOTE="HygienicBee, post: 294429, member: 21021"] I've heard there only about 5 of these machines being used in the US, but I figure someone would be able to give some advice on this problem. Anyone who is familiar with the M series mill understands that it is capable of milling pretty much everything that can be milled. Long story short, when we use this machine to mill zirconia, it does so flawlessly, however when we try to mill e.max, 99% of the time it will chip the margin in the exact same spot on any crown. The burs are like new (We've only made about 4 e.max crowns) so I'm betting against it being the burs. I should also mention that the chip is not a result of importing designs rather than designing the crowns on the Dental Wings scanner that is required to even use the mill, as I've tested crowns imported from 3Shape from our design team as well as designed a crown myself directly from Cares Visual 12. Still it always chips right at the last stage of milling the margin. If anyone can save me from this hell I would be forever grateful [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
Straumann M series chipping emax
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