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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Emax multi, lines forming
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<blockquote data-quote="Malcolm Graham" data-source="post: 199866" data-attributes="member: 332"><p>I have recently purchased new Ivoclar EP 3010 press. I have just pressed two crowns with the multi ingot and there is a line formed on both which looks like a crack at first. Both crowns had a thinner area of the crown where less tooth was prepared around the disto lingual margin.</p><p>At first I thought they were cracks and re-made them, but they formed again. I looked at them again under 20 times magnification and I could not see them.</p><p>I think they are lines formed from the ceramic meeting as it travels around the mold. Perhaps some of the enamel material is being pushed up to the margin here at the thinner area which will be restricted and the line forms.</p><p>Anyone else see this as well. I have tried Ivoclar but the Tec help are away on a course.</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="Malcolm Graham, post: 199866, member: 332"] I have recently purchased new Ivoclar EP 3010 press. I have just pressed two crowns with the multi ingot and there is a line formed on both which looks like a crack at first. Both crowns had a thinner area of the crown where less tooth was prepared around the disto lingual margin. At first I thought they were cracks and re-made them, but they formed again. I looked at them again under 20 times magnification and I could not see them. I think they are lines formed from the ceramic meeting as it travels around the mold. Perhaps some of the enamel material is being pushed up to the margin here at the thinner area which will be restricted and the line forms. Anyone else see this as well. I have tried Ivoclar but the Tec help are away on a course. Thanks [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Emax multi, lines forming
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