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Lab talk, the good, the bad, and the ugly
Dental-CAM
Zirconia abutments & screw retained crowns
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<blockquote data-quote="Sevan P" data-source="post: 118133" data-attributes="member: 7766"><p>I'm with K2, full zirconia is very iffy. I know straumann does theirs in all ZR, But I personally think that the ZR takes a lot of stress, Ti interfaces are cheap and take the stress 100% better then the ZR, and if cemented properly you shouldn't have any issues. I give you mad props from getting such a clean hex mill on the ZR, you have the right tools and proper CAM software to pull it off, well done on that part, but I would feel more comfortable doing a ZR abut with a Ti interface. Even the Nobel ZR abutments have the screw sitting on the ZR but have the metal interface only for anti rotational purposes. But the full ZR abutments and screw retained crowns do make it easier as to were you don't need to wait till the very end to cement the interface on before it goes out the door and pray it doesn't come back for any type of shade of contact adjustments, cause then you have to re-glue the interface cause the glue burns off in the oven.</p><p></p><p>Oh and the first image the abutment has a nice undercut. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Sevan P, post: 118133, member: 7766"] I'm with K2, full zirconia is very iffy. I know straumann does theirs in all ZR, But I personally think that the ZR takes a lot of stress, Ti interfaces are cheap and take the stress 100% better then the ZR, and if cemented properly you shouldn't have any issues. I give you mad props from getting such a clean hex mill on the ZR, you have the right tools and proper CAM software to pull it off, well done on that part, but I would feel more comfortable doing a ZR abut with a Ti interface. Even the Nobel ZR abutments have the screw sitting on the ZR but have the metal interface only for anti rotational purposes. But the full ZR abutments and screw retained crowns do make it easier as to were you don't need to wait till the very end to cement the interface on before it goes out the door and pray it doesn't come back for any type of shade of contact adjustments, cause then you have to re-glue the interface cause the glue burns off in the oven. Oh and the first image the abutment has a nice undercut. :D [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
Zirconia abutments & screw retained crowns
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