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Lab talk, the good, the bad, and the ugly
Dental-CAM
AG Ceramill users unite!
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<blockquote data-quote="CoolHandLuke" data-source="post: 286238" data-attributes="member: 4850"><p>emax is a rather difficult material to grind in wet stage. many times it is difficult to get proper finishing because the grinding tools do not make good contact with the piece. compared to zirconia where the material is sliced off, grinding is a compressive subtraction, so there is room for the material to "bounce back" its like grinding a sponge.</p><p></p><p>what you can do is simply run the cam calculation twice. after the block is cut, let it run again. you should notice better fits if not better margins. margins though, are always in the details.</p><p></p><p>its never easy to mill emax. i suggest you to actually stop altogether and go back to pressed versions for better results.</p></blockquote><p></p>
[QUOTE="CoolHandLuke, post: 286238, member: 4850"] emax is a rather difficult material to grind in wet stage. many times it is difficult to get proper finishing because the grinding tools do not make good contact with the piece. compared to zirconia where the material is sliced off, grinding is a compressive subtraction, so there is room for the material to "bounce back" its like grinding a sponge. what you can do is simply run the cam calculation twice. after the block is cut, let it run again. you should notice better fits if not better margins. margins though, are always in the details. its never easy to mill emax. i suggest you to actually stop altogether and go back to pressed versions for better results. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
AG Ceramill users unite!
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