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Lab talk, the good, the bad, and the ugly
Dental-CAM
i have a dry milling machine which workks really well
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<blockquote data-quote="Affinity" data-source="post: 257749" data-attributes="member: 1246"><p>Who needs evidence based dentistry anyways? Sideshow, arent you ready to rip a dental school dean for teaching saran wrap impression technique, yet you dont know how these veneers are even cemented? Im not judging, I would mill a zirconia crack pipe for these Drs if it pays the bills.. but there are volumes written on adhesive dentistry, and it has come so far, why use something contraindicated? For me, Im not sending out dozens of veneers that have the potential to pop off at any moment, when pressed veneers look better, will never come off even if they crack, are just as strong (IMO no need for more strength than LD),and has fluourescence etc. Veneers are the highest ticket item on my list, Im not really trying to save time or money on them, nor do I think the Drs (or Pts) want that, I think were shooting ourselves repeatedly in the foot with a BB gun here.</p><p></p><p>Link to the only company trying to sell zirconia bonding material *to my knowledge*, if you scroll to the bottom, notice these words :</p><p>"Representative SEM micrograph of<strong> debonded zirconia surface</strong> (original figure: X2000, bar = 20 µm). A <strong>cohesive failure mode was observed with the use of Z-Prime Plus</strong>." also "<strong><u>Theoretical</u></strong> demonstration of how the hydrogen (-H) group of phosphate monomer interacts with the Zr-O group of zirconia and forms the phosphate monolayer on the zirconia surface."</p><p>Buyer beware.</p><p></p><p><a href="https://www.dentalaegis.com/special-issues/BISCO/2010/03/bonding-to-zirconia-innovation-in-adhesion" target="_blank">https://www.dentalaegis.com/special-issues/BISCO/2010/03/bonding-to-zirconia-innovation-in-adhesion</a></p></blockquote><p></p>
[QUOTE="Affinity, post: 257749, member: 1246"] Who needs evidence based dentistry anyways? Sideshow, arent you ready to rip a dental school dean for teaching saran wrap impression technique, yet you dont know how these veneers are even cemented? Im not judging, I would mill a zirconia crack pipe for these Drs if it pays the bills.. but there are volumes written on adhesive dentistry, and it has come so far, why use something contraindicated? For me, Im not sending out dozens of veneers that have the potential to pop off at any moment, when pressed veneers look better, will never come off even if they crack, are just as strong (IMO no need for more strength than LD),and has fluourescence etc. Veneers are the highest ticket item on my list, Im not really trying to save time or money on them, nor do I think the Drs (or Pts) want that, I think were shooting ourselves repeatedly in the foot with a BB gun here. Link to the only company trying to sell zirconia bonding material *to my knowledge*, if you scroll to the bottom, notice these words : "Representative SEM micrograph of[B] debonded zirconia surface[/B] (original figure: X2000, bar = 20 µm). A [B]cohesive failure mode was observed with the use of Z-Prime Plus[/B]." also "[B][U]Theoretical[/U][/B] demonstration of how the hydrogen (-H) group of phosphate monomer interacts with the Zr-O group of zirconia and forms the phosphate monolayer on the zirconia surface." Buyer beware. [URL]https://www.dentalaegis.com/special-issues/BISCO/2010/03/bonding-to-zirconia-innovation-in-adhesion[/URL] [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
i have a dry milling machine which workks really well
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