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Implants
Abutment crown cement separation experience
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<blockquote data-quote="Rick Sonntag" data-source="post: 230784" data-attributes="member: 4900"><p>Not sure if my method is foolproof or not but it's worked for us: </p><p></p><p>Argen abutments with and without retention lines.</p><p>Zirconia crowns, both full zr and layered facial. </p><p>Panavia f 2.0</p><p>500ºC taken up over 20 mins, 40 min hold at temp to minimize oxidation of the titanium. </p><p>Analog and physical force still required to remove crown. Newtons of force required not available at this time. </p><p>Cement remains on abutment, very little if any on the crown. </p><p>Thankfully I don't have any demand for lithium dislilicate on implants in the posterior. Zero chance of successful removal with those.</p></blockquote><p></p>
[QUOTE="Rick Sonntag, post: 230784, member: 4900"] Not sure if my method is foolproof or not but it's worked for us: Argen abutments with and without retention lines. Zirconia crowns, both full zr and layered facial. Panavia f 2.0 500ºC taken up over 20 mins, 40 min hold at temp to minimize oxidation of the titanium. Analog and physical force still required to remove crown. Newtons of force required not available at this time. Cement remains on abutment, very little if any on the crown. Thankfully I don't have any demand for lithium dislilicate on implants in the posterior. Zero chance of successful removal with those. [/QUOTE]
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Abutment crown cement separation experience
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