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Simplicity and veneers

 
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john kanca



Joined: 14 May 2005
Posts: 6346

PostPosted: Thu May 19, 2005 11:36 am    Post subject: Simplicity and veneers Reply with quote

Tooth:

- Apply Simplicity as usual


Veneer:

- Apply Interface and DRY
- Apply one coat Sim 2, dry and light-activate for 10 seconds
- Apply veneer luting resin, seat

Tack in place, clean excess and then light-activate for 10 seconds each facial and lingual, wait a minute, repeat, wait a minute, repeat, wait a minute, repeat.

This is to allow stress relaxation in between activation periods.
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cool kid



Joined: 12 May 2005
Posts: 818
Location: chicago

PostPosted: Thu May 19, 2005 11:48 am    Post subject: Reply with quote

no need for placing 2nd coat of sim 2 and not light cure like we do on all ceramic crowns?
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Mark J Fleming DDS



Joined: 11 May 2005
Posts: 736
Location: Sarasota, FL

PostPosted: Thu May 19, 2005 11:58 am    Post subject: Reply with quote

cool kid wrote:
no need for placing 2nd coat of sim 2 and not light cure like we do on all ceramic crowns?


My question also. Cool
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john kanca



Joined: 14 May 2005
Posts: 6346

PostPosted: Thu May 19, 2005 12:04 pm    Post subject: Reply with quote

That's for use with dual- and self-cure materials. For light-activated, no need. But I have something to say about more Sim 2 in general on the other thread.
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pablo



Joined: 19 May 2005
Posts: 64

PostPosted: Tue May 24, 2005 7:57 pm    Post subject: simplicity and veneers Reply with quote

John, when bonding porcelain veneers do we still clean the intaglio of the venners with phosphoric acid to clean then rinse then dry then proceed with INTERFACE etc
regards,

Paul
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cool kid



Joined: 12 May 2005
Posts: 818
Location: chicago

PostPosted: Tue May 24, 2005 10:18 pm    Post subject: Reply with quote

pablo,

I'm going to guess that you should just sand blast the veneer and then place the interface. It seems that this is replacing the HF. I'm sure that JK will set me straight.
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Rich (cool kid) Rosenblatt
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john kanca



Joined: 14 May 2005
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PostPosted: Tue May 24, 2005 10:22 pm    Post subject: Re: simplicity and veneers Reply with quote

pablo wrote:
John, when bonding porcelain veneers do we still clean the intaglio of the venners with phosphoric acid to clean then rinse then dry then proceed with INTERFACE etc
regards,

Paul



Won't hurt, but I do not. Clean with alcohol, rinse and dry. Then the Interface.

But what you have suggested is fine too.

If you do not like the looks of the intaglio surface as it comes back from the lab, then do sandblast it.
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pablo



Joined: 19 May 2005
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PostPosted: Wed May 25, 2005 10:31 am    Post subject: Reply with quote

Thanks, John. I'll try that advice next time I place veneers.

Regards, Paul
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drhal35



Joined: 11 May 2005
Posts: 41
Location: Niskayuna, NY

PostPosted: Wed May 25, 2005 2:32 pm    Post subject: Reply with quote

John, I once read that after alcohol and water rinse of the porcelain, a rinse with acetone and then dry, prior to silane made a higher bond strength.
Have you heard of this? It's an easy step, do you think it will improve the bond strengths with Interface/Simplicity to porcelain?
thanks, Hal
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