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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Emax-Press v cad
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<blockquote data-quote="dhdc" data-source="post: 78154" data-attributes="member: 1632"><p>Having just had a disaster of a day mis-pressing in my ep3000,i am now trying to work out if its worth doing my Emax on my 3shape?</p><p>Where do i start............Im finishing a full arch case,all the posteriors are in,pressed in emax,now doing the ants,Took me a fair while to wax the 12 to full contour,as i work onsite i was back and foward with the dentist to make sure all was good with shape and contior etc.Next day sprued/invested/burnt out etc etc,then de-vested.</p><p>Having done this thousands of times before i didnt expect any problems,but i did sprue them a bit differently from usual,i placed the sprue slightly more to the palatal/lingual to try and preserve my incisal length a bit......do know why now as im going to cut back anyway.</p><p>So,friday arvo,6 rings to de-vest and,not good.It looks like the internal part of the crown broke away during pressing,leaving me with no internal surface and a big inclusion at the margins.</p><p>Having wastes time and materials and having that sinking feeling while de vesting,i decided to scan them and get them milled,which must admit was a far quicker process,but much more expensive,i will wait and see how them come back.</p><p>Im starting tp think it may be better to mill emax now,especially as we are doing less of them due to Lava Plus looking really good,</p><p>Would love to hear your experiences,Pros and Cons of Waxing Pressing V Cad,</p><p>Thanks Dean</p></blockquote><p></p>
[QUOTE="dhdc, post: 78154, member: 1632"] Having just had a disaster of a day mis-pressing in my ep3000,i am now trying to work out if its worth doing my Emax on my 3shape? Where do i start............Im finishing a full arch case,all the posteriors are in,pressed in emax,now doing the ants,Took me a fair while to wax the 12 to full contour,as i work onsite i was back and foward with the dentist to make sure all was good with shape and contior etc.Next day sprued/invested/burnt out etc etc,then de-vested. Having done this thousands of times before i didnt expect any problems,but i did sprue them a bit differently from usual,i placed the sprue slightly more to the palatal/lingual to try and preserve my incisal length a bit......do know why now as im going to cut back anyway. So,friday arvo,6 rings to de-vest and,not good.It looks like the internal part of the crown broke away during pressing,leaving me with no internal surface and a big inclusion at the margins. Having wastes time and materials and having that sinking feeling while de vesting,i decided to scan them and get them milled,which must admit was a far quicker process,but much more expensive,i will wait and see how them come back. Im starting tp think it may be better to mill emax now,especially as we are doing less of them due to Lava Plus looking really good, Would love to hear your experiences,Pros and Cons of Waxing Pressing V Cad, Thanks Dean [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Emax-Press v cad
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