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Full Arch Splint On Custom Abutments
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<blockquote data-quote="JohnWilson" data-source="post: 41354" data-attributes="member: 213"><p>Hope you have a lot of VD to allow you to bring up the CEJ and not bring each units margin from the fixture. Pink Porc can be your friend here.</p><p></p><p>The ap Spread does not look great how far you figure you can cantilever off of the most distal fixture?</p><p></p><p>Denture teeth break on Hybrids for lots of reasons but generally its because the ant guidance is not correct and the patient can slide into an unnatural premature contact and then "Pop" goes the weakest link. Glass will do the same thing so be careful.</p><p></p><p>Since there is a hybrid already made it would be beneficial to use it as the verification jig for the master model and to then make a custom incisal guide table to visualize what is going wrong. Truth is there is a better than average shot that its just poor lab work causing the fractures. </p><p></p><p>I have a ridiculous bar in for a retread today and I am shocked at what poor craftsmanship there is on this casting. I have documented everything and when the Dr who went through the Misch training saw what he previously paid for he went through the roof!</p><p></p><p>Ah the joys of fixing other peoples nightmares</p></blockquote><p></p>
[QUOTE="JohnWilson, post: 41354, member: 213"] Hope you have a lot of VD to allow you to bring up the CEJ and not bring each units margin from the fixture. Pink Porc can be your friend here. The ap Spread does not look great how far you figure you can cantilever off of the most distal fixture? Denture teeth break on Hybrids for lots of reasons but generally its because the ant guidance is not correct and the patient can slide into an unnatural premature contact and then "Pop" goes the weakest link. Glass will do the same thing so be careful. Since there is a hybrid already made it would be beneficial to use it as the verification jig for the master model and to then make a custom incisal guide table to visualize what is going wrong. Truth is there is a better than average shot that its just poor lab work causing the fractures. I have a ridiculous bar in for a retread today and I am shocked at what poor craftsmanship there is on this casting. I have documented everything and when the Dr who went through the Misch training saw what he previously paid for he went through the roof! Ah the joys of fixing other peoples nightmares [/QUOTE]
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