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Lab talk, the good, the bad, and the ugly
Zirconium
Sand blasting zirconium affects the cte??!!!
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<blockquote data-quote="Contraluz" data-source="post: 294212" data-attributes="member: 3357"><p>Failure rate at the beginning was quite high. Chipped porcelain, fractures, excessive abrasion on the opposing... When you decide to layer, you actually should follow a rather tight protocol (slow heating/cooling, enough support for the layering porcelain , liner and wash firing, etc...). Sure, for monolithic restorations you got more leeway and it is quite easy to work with. But that sandblasting thing is nothin new. I had it in my presentations over ten years ago, already.</p><p></p><p>As a side note, if you start reading the fine prints of all the product you use, you probably would stop working... Everything is pretty much a health hazard and/or you are not using it as intended by the manufacturer...</p></blockquote><p></p>
[QUOTE="Contraluz, post: 294212, member: 3357"] Failure rate at the beginning was quite high. Chipped porcelain, fractures, excessive abrasion on the opposing... When you decide to layer, you actually should follow a rather tight protocol (slow heating/cooling, enough support for the layering porcelain , liner and wash firing, etc...). Sure, for monolithic restorations you got more leeway and it is quite easy to work with. But that sandblasting thing is nothin new. I had it in my presentations over ten years ago, already. As a side note, if you start reading the fine prints of all the product you use, you probably would stop working... Everything is pretty much a health hazard and/or you are not using it as intended by the manufacturer... [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Zirconium
Sand blasting zirconium affects the cte??!!!
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