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Pcus
Joined: 17 May 2005
Posts: 434
Location: toronto
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 Posted: Mon Nov 19, 2007 9:35 am Post subject: bonding metal to metal |
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I am doing a repair to an existing bridge,
I am putting a telescoping crown over the metal framework of a bridge in a pontic area. essentially bonding metal to metal here.
What I want to do is sandblast crown and framework, sim 2 , both surfaces, cure and cement with anchor. I should not have to place an additional layer on uncured sim on either of these metal surfaces..Correct?
If I used Sur, instead, I should use cured sur 3 on each sandblasted surface and place anchor and seat. Also Correct? |
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Ekrause
Joined: 11 May 2005
Posts: 782
Location: I'm here now.
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| Posted: Mon Nov 19, 2007 10:23 am Post subject: |
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Why bother bonding?? What's the purpose?
I'd just cement with an RMGI like Fujicem.
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No, Donny, these men are nihilists, there's nothing to be afraid of.... |
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john kanca
Joined: 14 May 2005
Posts: 6346
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| Posted: Mon Nov 19, 2007 10:29 am Post subject: Re: bonding metal to metal |
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| Pcus wrote: | I am doing a repair to an existing bridge,
I am putting a telescoping crown over the metal framework of a bridge in a pontic area. essentially bonding metal to metal here.
What I want to do is sandblast crown and framework, sim 2 , both surfaces, cure and cement with anchor. I should not have to place an additional layer on uncured sim on either of these metal surfaces..Correct?
If I used Sur, instead, I should use cured sur 3 on each sandblasted surface and place anchor and seat. Also Correct? |
This will work.
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Pcus
Joined: 17 May 2005
Posts: 434
Location: toronto
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| Posted: Mon Nov 19, 2007 11:01 am Post subject: |
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| would fujicem be as strong as anchor and sim/sur? |
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john kanca
Joined: 14 May 2005
Posts: 6346
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| Posted: Mon Nov 19, 2007 3:53 pm Post subject: |
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No. It could still work, but no it will not be as strong.
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