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Lab talk, the good, the bad, and the ugly
Porcelain
No Prep Refractory Veneers
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<blockquote data-quote="paulg100" data-source="post: 63698" data-attributes="member: 1643"><p>dont like the whole no prep thing, or dont know how to do the whole no prep thing?</p><p></p><p>Im not knocking you, im on the same learning curve as minimally invasive dentistry is the big thing now.</p><p></p><p>theres nothing wrong with no preps, its possible to get superb results with the right cases or right short term ortho pre-positioning and the right lab techniques.</p><p></p><p>one q though, why refractory for this and not emax?</p><p></p><p>heres a case im currently working on which is very similar to yours:</p><p></p><p>Very Minimal/no Preps. Centrals are already prominent even before veneers and one is quite heavily discoloured. in other words, a bit of a nightmare <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p><img src="http://img696.imageshack.us/img696/1918/img1917xd.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>.1 emax shells:</p><p></p><p>[ATTACH=full]10317[/ATTACH]</p><p></p><p>1st bake shade try-in</p><p></p><p>[ATTACH=full]10318[/ATTACH]</p><p></p><p>As you can see the amount of masking ive been able to get with .1 shell and .2 of layering is pretty mad. Ended up way to much in fact.</p><p></p><p>The advantage here is i have a stump shade to work off, rather than a white refractory die or silver foil. Both of these techniques i find it virtually impossible to have any control over colour without a proper stump to work to.</p><p></p><p>These are both LT B1 shells btw to reach a B1 final shade. Theres no point in using an ingot thats way higher in value with super thin veneers, as you will go through to the ingot at the margins and end up with a potential bright halo around the veneer. This has been my stumbling block with doing these things in emax up until now.</p><p></p><p>Cant give you much more details at the minute as this technique is a work in progress but dont think you need to go refractory to get intrinsic masking with very thin veneers.</p><p></p><p>It can be done with emax too. It takes a lot more time and care than doing regular Emax so you need to charge extra for these things.</p><p></p><p>looking at your case and the fact that the centrals are set back, you have stacks of room here to mask with emax.</p><p>[ATTACH=full]10317[/ATTACH][ATTACH=full]10318[/ATTACH]</p></blockquote><p></p>
[QUOTE="paulg100, post: 63698, member: 1643"] dont like the whole no prep thing, or dont know how to do the whole no prep thing? Im not knocking you, im on the same learning curve as minimally invasive dentistry is the big thing now. theres nothing wrong with no preps, its possible to get superb results with the right cases or right short term ortho pre-positioning and the right lab techniques. one q though, why refractory for this and not emax? heres a case im currently working on which is very similar to yours: Very Minimal/no Preps. Centrals are already prominent even before veneers and one is quite heavily discoloured. in other words, a bit of a nightmare :) [IMG]http://img696.imageshack.us/img696/1918/img1917xd.jpg[/IMG] .1 emax shells: [attach=full]10317[/attach] 1st bake shade try-in [attach=full]10318[/attach] As you can see the amount of masking ive been able to get with .1 shell and .2 of layering is pretty mad. Ended up way to much in fact. The advantage here is i have a stump shade to work off, rather than a white refractory die or silver foil. Both of these techniques i find it virtually impossible to have any control over colour without a proper stump to work to. These are both LT B1 shells btw to reach a B1 final shade. Theres no point in using an ingot thats way higher in value with super thin veneers, as you will go through to the ingot at the margins and end up with a potential bright halo around the veneer. This has been my stumbling block with doing these things in emax up until now. Cant give you much more details at the minute as this technique is a work in progress but dont think you need to go refractory to get intrinsic masking with very thin veneers. It can be done with emax too. It takes a lot more time and care than doing regular Emax so you need to charge extra for these things. looking at your case and the fact that the centrals are set back, you have stacks of room here to mask with emax. [ATTACH=full]10317[/ATTACH][ATTACH=full]10318[/ATTACH] [/QUOTE]
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Lab talk, the good, the bad, and the ugly
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No Prep Refractory Veneers
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