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Temporary cements for sealed preps continued

 
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john kanca



Joined: 14 May 2005
Posts: 6346

PostPosted: Wed May 31, 2006 9:25 am    Post subject: Temporary cements for sealed preps continued Reply with quote

After having used it for a while now I find that I prefer diluted zinc phosphate cement to durelon as a temporary cement for crowns. I think it was Howard who suggested this, and it works really well, and is a little easier to clean off the prep than is the Durelon. Cool
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Mark J Fleming DDS



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

PostPosted: Wed May 31, 2006 10:37 am    Post subject: Re: Temporary cements for sealed preps continued Reply with quote

john kanca wrote:
After having used it for a while now I find that I prefer diluted zinc phosphate cement to durelon as a temporary cement for crowns. I think it was Howard who suggested this, and it works really well, and is a little easier to clean off the prep than is the Durelon. Cool


Do you dilute it with water or the zinc phosphate liquid?
Thanks. Cool
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john kanca



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PostPosted: Wed May 31, 2006 10:45 am    Post subject: Reply with quote

We add a little water.
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Howardmg



Joined: 11 May 2005
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PostPosted: Wed May 31, 2006 11:24 am    Post subject: Reply with quote

I'd love to take credit but it wasn't me. I will order Zinc Phosphate today though to give it a try. Sometimes the Durelon sticks to the tooth too much.
I am the one who recommended diluting the Durelon enough so that you just spray off the excess temporary cement rather than sit around for it to set up. I will try the same with the Zinc Phosphate and let you know how it works out.
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Howard M. Goldstein DMD.
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marshall white



Joined: 11 May 2005
Posts: 18
Location: Granville, Ohio

PostPosted: Wed May 31, 2006 6:45 pm    Post subject: Reply with quote

does the fleck's stick as well as the durelon?

does it still require a cold slab, and mustn't one then slake the stuff?

I love Fleck's. Yup, Fleck's cement (and silicate Cl. V's and III's) are de rigueur at our office... Shocked [/i]
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john kanca



Joined: 14 May 2005
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PostPosted: Wed May 31, 2006 9:38 pm    Post subject: Reply with quote

For me it has been as retentive.

Cold slab? Last one of those I had was day old ribs. Smile
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Howardmg



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PostPosted: Wed May 31, 2006 10:20 pm    Post subject: Reply with quote

If I remember correctly from Dental school, the purpose of the cold slab was to incorporate more powder into the mix. Since this is for temp use and we are mixing water into it anyway, the cold slab would serve no purpose.
right??? Confused
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john kanca



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PostPosted: Thu Jun 01, 2006 6:50 am    Post subject: Reply with quote

The slab reduces the exotherm. Heating a liquid ought normally to increase solubility, but it accelerates the rate of a reaction.
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