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<blockquote data-quote="RileyS" data-source="post: 66549" data-attributes="member: 3360"><p>the tweak here would have to be a huge tweak (do i catch any sarcasm here? your asking to change 2 of the 3 components of the system<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />). The system is only capable of milling a crown on a "Sirona Approved" prep; this means huge chamfered/shouldered smooth margins, perfectly degreed walls, and perfectly rounded tops. I have done +/- 10,000 crowns and copings on the system and the only time it comes close to an acceptable fit is under those circumstances, other wise I'm spending 10+ minutes seating it to the die. I will say that I can design a crown to come out of that fitting with one or two adjustments to contacts, contour and occlusion which I loved.</p><p>Don't remember who said a few posts above that "you have to know how to use it," thats absolutely true, a doctor <em><strong><u>committed</u></strong></em> to making perfect preps will have some success.</p></blockquote><p></p>
[QUOTE="RileyS, post: 66549, member: 3360"] the tweak here would have to be a huge tweak (do i catch any sarcasm here? your asking to change 2 of the 3 components of the system:)). The system is only capable of milling a crown on a "Sirona Approved" prep; this means huge chamfered/shouldered smooth margins, perfectly degreed walls, and perfectly rounded tops. I have done +/- 10,000 crowns and copings on the system and the only time it comes close to an acceptable fit is under those circumstances, other wise I'm spending 10+ minutes seating it to the die. I will say that I can design a crown to come out of that fitting with one or two adjustments to contacts, contour and occlusion which I loved. Don't remember who said a few posts above that "you have to know how to use it," thats absolutely true, a doctor [I][B][U]committed[/U][/B][/I] to making perfect preps will have some success. [/QUOTE]
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