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Lab talk, the good, the bad, and the ugly
Dental-CAD
zirconia maryland bridge
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<blockquote data-quote="disturbed" data-source="post: 85515" data-attributes="member: 4763"><p>Nothing sticks to zr for very long. Not cement,not porcelain, not zr liner.NOTHING. Cant etch it, no chemical bond to porcelain, mechanical retention only. Compare it to glueing glass to wood. It May hold for a while but eventually it will FAIL. Pressing a monolithic over the entire thing with highwater margins is the only way i will try it..betting even that fails in five or less years.</p></blockquote><p></p>
[QUOTE="disturbed, post: 85515, member: 4763"] Nothing sticks to zr for very long. Not cement,not porcelain, not zr liner.NOTHING. Cant etch it, no chemical bond to porcelain, mechanical retention only. Compare it to glueing glass to wood. It May hold for a while but eventually it will FAIL. Pressing a monolithic over the entire thing with highwater margins is the only way i will try it..betting even that fails in five or less years. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAD
zirconia maryland bridge
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