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Bonding to Amalgam corrosion

 
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Renzo



Joined: 12 Jun 2007
Posts: 36
Location: Redmond, OR

PostPosted: Fri May 30, 2008 11:22 am    Post subject: Bonding to Amalgam corrosion Reply with quote

I've had an MODB onlay on #4 come off twice now on a patient. She had a deep MOD alloy, and the dentin is darkly stained. I was uncomfortable removing anymore dentin, so microabraded the prep with 27 micron Aluminum Oxide, and cement with Triad both times. I feel the occlusion is a non-issue, so was curious if there are any articles out on bond strengths to amalgam-corroded dentin?
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john kanca



Joined: 14 May 2005
Posts: 6342

PostPosted: Fri May 30, 2008 2:39 pm    Post subject: Reply with quote

I don't know of any articles about it, but it's a good question.

We did some investigation into it and saw some diminished bond strengths but I would not expect it to come out no matter what.
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