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Lab talk, the good, the bad, and the ugly
Metal
Maryland bridges in NP metal
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<blockquote data-quote="DMC" data-source="post: 10446" data-attributes="member: 430"><p>I pick up salt-crystals with Zap-It. I use plastic as the connector for the span. no wax just yet......I control the flow of the Zap-It with a pre-treatment of Acelorator to the model. You could also put the Zap-It and/or Model in the refridge to slow the flow.</p><p></p><p>I drop the plastic pattern in Ultra-Sonic with wax-remover from DVA, then hot water to remove the red grease that was holding my salt crystals and melt away the actual salt. Then clean your model and apply regular wax separator, and seal the margins, and wax your pontic(s).</p><p></p><p>Never warped for me using CyanoAcrylate and plastic as the base structure?</p><p></p><p>But we now can scan the actual salt! I've tried it and it prints some of the little undercuts.</p><p></p><p>This technique is used for Nobel Alloy (VA/MD Bridge) because you can't etch Noble as mentioned before, but I do this even with non-Precious and I etch.</p></blockquote><p></p>
[QUOTE="DMC, post: 10446, member: 430"] I pick up salt-crystals with Zap-It. I use plastic as the connector for the span. no wax just yet......I control the flow of the Zap-It with a pre-treatment of Acelorator to the model. You could also put the Zap-It and/or Model in the refridge to slow the flow. I drop the plastic pattern in Ultra-Sonic with wax-remover from DVA, then hot water to remove the red grease that was holding my salt crystals and melt away the actual salt. Then clean your model and apply regular wax separator, and seal the margins, and wax your pontic(s). Never warped for me using CyanoAcrylate and plastic as the base structure? But we now can scan the actual salt! I've tried it and it prints some of the little undercuts. This technique is used for Nobel Alloy (VA/MD Bridge) because you can't etch Noble as mentioned before, but I do this even with non-Precious and I etch. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
Maryland bridges in NP metal
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