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Surpass and bis-acrylics?

 
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macadoo



Joined: 31 Jan 2014
Posts: 36
Location: Washington, NC

PostPosted: Thu Feb 06, 2014 12:01 pm    Post subject: Surpass and bis-acrylics? Reply with quote

I just placed my first core build-up using Surpass and Titan. It was really more of a "blockout" of a large excavation site, so I used Titan, no core material on top of it. When I went to remove my provisional, the material really wanted to stick to one area around the build-up, and the material (ProTemp) tore in this area.

I've had similar things happen in the past when I'm dealing with a large resin core build-up, but this seemed much harder to remove than other situations. I'm assuming now this was just "one of those times", but I wanted to check and see if folks here regularly notice this with provisional crowns and Surpass? I know many of you seal your preps with Surpass, so I can't imagine that being the case. Is anyone here placing something (velvachol, surgilube, vaseline) over your preps before making provisionals?
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Ekrause



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

PostPosted: Thu Feb 06, 2014 1:52 pm    Post subject: Reply with quote

saliva
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macadoo



Joined: 31 Jan 2014
Posts: 36
Location: Washington, NC

PostPosted: Thu Feb 06, 2014 3:55 pm    Post subject: Reply with quote

Ekrause wrote:
saliva


Yeah, I generally make a point NOT to dry off the preps, but sometimes my assistants do while I'm loading the impression with bis-acryl. Do you actually actively coat the prep in saliva, or just not dry it?
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Ekrause



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

PostPosted: Thu Feb 06, 2014 4:03 pm    Post subject: Reply with quote

If it's dry, I will actively coat it.
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twmdds



Joined: 16 May 2006
Posts: 142

PostPosted: Fri Feb 07, 2014 2:19 pm    Post subject: Reply with quote

Clean it with alcohol to remove the oxygen inhibited layer on the tytin/composite. Then wash it off.
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john kanca



Joined: 14 May 2005
Posts: 6346

PostPosted: Sat Feb 08, 2014 10:53 am    Post subject: Re: Surpass and bis-acrylics? Reply with quote

macadoo wrote:
I just placed my first core build-up using Surpass and Titan. It was really more of a "blockout" of a large excavation site, so I used Titan, no core material on top of it. When I went to remove my provisional, the material really wanted to stick to one area around the build-up, and the material (ProTemp) tore in this area.

I've had similar things happen in the past when I'm dealing with a large resin core build-up, but this seemed much harder to remove than other situations. I'm assuming now this was just "one of those times", but I wanted to check and see if folks here regularly notice this with provisional crowns and Surpass? I know many of you seal your preps with Surpass, so I can't imagine that being the case. Is anyone here placing something (velvachol, surgilube, vaseline) over your preps before making provisionals?


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