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veneer preps

 
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Pcus



Joined: 17 May 2005
Posts: 434
Location: toronto

PostPosted: Tue Apr 24, 2007 9:24 am    Post subject: veneer preps Reply with quote

I began doing veneers in 1885, and I did a lot of them. At the time I did very conservative preps. Even teeth with through to the lingual composites, I restricted the veneer to the buccal only, leaving the composite on the lingual. Over the years I began to encapsule any composite with porcelain, and suddenly found myself doing more crown like preps than veneers.

I can honestly say, that any failures I have had with veneers have been the overprep'd ones, not the ones that I have done conservatively. Those minimally prep'd cases are into their 20-22 year stage, and despite some marginal staining, they have all stayed on and that was using Scotch bond and hybrid composite watered down with bonding resin.

I recently was at a seminar, and the speaker was doing veneers on anterior endodontically treated teeth, with a conservative buccal prep only and a flatened incisial. he did not extend his prep over the access opening which was filled with composite.

I spoke to him later about these composite interproximal resins extending to the lingual, and he felt it would be fine to just prep minimally just on the buccal and incisal, and leave those composites alone..This is how I started out doing it and I think I am going to go back to doing it this way

Does anyone have any thoughts about this? I would be interested
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Ekrause



Joined: 11 May 2005
Posts: 782
Location: I'm here now.

PostPosted: Tue Apr 24, 2007 9:31 am    Post subject: Reply with quote

Quote:
I began doing veneers in 1885,


Damn, you're old dude!! Shocked
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Pcus



Joined: 17 May 2005
Posts: 434
Location: toronto

PostPosted: Tue Apr 24, 2007 10:46 am    Post subject: Reply with quote

OPPPPS I meant 1785
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john kanca



Joined: 14 May 2005
Posts: 6342

PostPosted: Tue Apr 24, 2007 11:23 am    Post subject: Reply with quote

He looks damned good too!
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jasonl



Joined: 25 Aug 2005
Posts: 272
Location: Florida

PostPosted: Tue Apr 24, 2007 1:08 pm    Post subject: Reply with quote

It depends!

If it is a composite of unknown origin then I would tend to cover it.

If I did the composite using surpass and gradia then I may leave it and do a minimal veneer prep.

and because I've been reprimanded for it recently - why is this in the cerec section? Wink
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john kanca



Joined: 14 May 2005
Posts: 6342

PostPosted: Tue Apr 24, 2007 1:54 pm    Post subject: Reply with quote

A valid point!

How about- because he's Canadian, eh?

Scott- I think we ought to change the name of this thread to General Cerec Discussion.
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