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Lab talk, the good, the bad, and the ugly
Metal
CRACKING!
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<blockquote data-quote="sixonice" data-source="post: 17523" data-attributes="member: 2"><p>it sounds like a CTE issue to me. find out the CTE of the NP alloy your using, then check your porcelain's CTE range and I would bet they are either right at the border of CTE compatibility or just out of range. you probably can get your single units through, but once you get into larger masses of NP - especially the pontics as you said, that is where the CTE issues really come to life.</p></blockquote><p></p>
[QUOTE="sixonice, post: 17523, member: 2"] it sounds like a CTE issue to me. find out the CTE of the NP alloy your using, then check your porcelain's CTE range and I would bet they are either right at the border of CTE compatibility or just out of range. you probably can get your single units through, but once you get into larger masses of NP - especially the pontics as you said, that is where the CTE issues really come to life. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
CRACKING!
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