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Lab talk, the good, the bad, and the ugly
Zirconium
Zirconia crowns come out .2~.3mm higher on occlusion
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<blockquote data-quote="Contraluz" data-source="post: 314997" data-attributes="member: 3357"><p>Besides what has been suggested, above, check if the scanned models are occluding. I usually 'squeeze' the models, virtually, 0.15 mm to get them occluding. You can also calibrate that in you 'occlusion adjusting tools'. </p><p></p><p>I have found that occlusion is one of the issues where scans can be easily off. Especially with bigger and heavier models a shift can occur while scanning. To eliminate that issue on bigger, multi unit cases, I put lab putty between the models, so they stay stable. </p><p></p><p>With the newer scanners, that can take a whole articulator, this is problem is resolved.</p></blockquote><p></p>
[QUOTE="Contraluz, post: 314997, member: 3357"] Besides what has been suggested, above, check if the scanned models are occluding. I usually 'squeeze' the models, virtually, 0.15 mm to get them occluding. You can also calibrate that in you 'occlusion adjusting tools'. I have found that occlusion is one of the issues where scans can be easily off. Especially with bigger and heavier models a shift can occur while scanning. To eliminate that issue on bigger, multi unit cases, I put lab putty between the models, so they stay stable. With the newer scanners, that can take a whole articulator, this is problem is resolved. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Zirconium
Zirconia crowns come out .2~.3mm higher on occlusion
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