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Lab talk, the good, the bad, and the ugly
Dental-CAM
Combining different manufacturing process
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<blockquote data-quote="JohnWilson" data-source="post: 217811" data-attributes="member: 213"><p>You have to realize with EMAX your drill compensation is going to effect fit over any abutment. You can compensate for this in your design by using your 2d cross section tool/tape measure tool over the top of the abutment and manage this. It will allow you to set your top cap radius and your margin radius to match the smallest bur they use to mill. The use of a flat index anti rotational feature sounds good but the 90* corners are getting compensated for in the cam to eliminate areas the bur can not get too thus making things not as precise anyhow.</p><p></p><p>The best fitting crowns will be a crown your produce with no drill comp on and a printed pattern then pressed but in all honesty its complete over kill for a properly designed case.</p></blockquote><p></p>
[QUOTE="JohnWilson, post: 217811, member: 213"] You have to realize with EMAX your drill compensation is going to effect fit over any abutment. You can compensate for this in your design by using your 2d cross section tool/tape measure tool over the top of the abutment and manage this. It will allow you to set your top cap radius and your margin radius to match the smallest bur they use to mill. The use of a flat index anti rotational feature sounds good but the 90* corners are getting compensated for in the cam to eliminate areas the bur can not get too thus making things not as precise anyhow. The best fitting crowns will be a crown your produce with no drill comp on and a printed pattern then pressed but in all honesty its complete over kill for a properly designed case. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
Combining different manufacturing process
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