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Multilink Vs. Panavia
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<blockquote data-quote="Affinity" data-source="post: 354914" data-attributes="member: 1246"><p>How are you preparing your pmma? Sounds like its not adhering, although its mostly mechanical.. but maybe ivoclean, or a composite bonder might help?</p><p> PMMA has more elasticity than zirconia, So I would guess that it could possibly be flexing the intaglio away from the cement enough to remove the mechanical retention. Ive tried panavia and multi link, but now use relyx. I dont cement any pmma though, only zirconia.. The relyx is hard to get out even after firing it.</p><p></p><p>Maybe even try creating a retention ring on the inside to lock it on more?</p></blockquote><p></p>
[QUOTE="Affinity, post: 354914, member: 1246"] How are you preparing your pmma? Sounds like its not adhering, although its mostly mechanical.. but maybe ivoclean, or a composite bonder might help? PMMA has more elasticity than zirconia, So I would guess that it could possibly be flexing the intaglio away from the cement enough to remove the mechanical retention. Ive tried panavia and multi link, but now use relyx. I dont cement any pmma though, only zirconia.. The relyx is hard to get out even after firing it. Maybe even try creating a retention ring on the inside to lock it on more? [/QUOTE]
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