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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
E-Max cad cost vs Pressing cost
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<blockquote data-quote="jthacke3" data-source="post: 116977" data-attributes="member: 3527"><p>My understanding is that Glidewell's Obsidian is essentially the same product as the expired patent for Ivoclar's original Empress II product that was only ever used as a substructure. The patents on e.max Lithium Disilicate are current and iron-clad.</p><p></p><p>JIm</p></blockquote><p></p>
[QUOTE="jthacke3, post: 116977, member: 3527"] My understanding is that Glidewell's Obsidian is essentially the same product as the expired patent for Ivoclar's original Empress II product that was only ever used as a substructure. The patents on e.max Lithium Disilicate are current and iron-clad. JIm [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
E-Max cad cost vs Pressing cost
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