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temp cementing crowns.

 
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czeqm8



Joined: 24 May 2006
Posts: 125

PostPosted: Thu Mar 15, 2007 7:01 pm    Post subject: temp cementing crowns. Reply with quote

Is there a thread that details the current recommendations for temp cementation of crowns and the sealing protocol that is done prior? If not, could someone share their current thoughts in detail.

I am guessing that most seal their preps, do you seal prior to impression? Have you found this to alter the quality of you margins in the impression?
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Matt Brink
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cool kid



Joined: 12 May 2005
Posts: 818
Location: chicago

PostPosted: Thu Mar 15, 2007 9:32 pm    Post subject: Re: temp cementing crowns. Reply with quote

czeqm8 wrote:
Is there a thread that details the current recommendations for temp cementation of crowns and the sealing protocol that is done prior? If not, could someone share their current thoughts in detail.

I am guessing that most seal their preps, do you seal prior to impression? Have you found this to alter the quality of you margins in the impression?


Matt,
If I'm doing a lab fab crown, then I seal after I take impressions and make the temp. If you seal before the temp and use a dual cure resin type temp, you just made a permanent! JK recommends using durelon or ZOP for temp crowns. Actually I think Danny Melkers does too. He likes the way it stays on the tooth instead of the temp. I think I remember the term bacteriostatic being thrown around. Could be mistaken on that.

If I'm doing a cerec, then I seal immediately after prep and before I powder.
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john kanca



Joined: 14 May 2005
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PostPosted: Fri Mar 16, 2007 9:02 am    Post subject: Reply with quote

Prep
Temp
Impression
Seal


Diluted durelon or ZOP.

TBNE for bridges.
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Mark J Fleming DDS



Joined: 11 May 2005
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PostPosted: Fri Mar 16, 2007 9:59 am    Post subject: Reply with quote

john kanca wrote:
Prep
Temp
Impression
Seal


Diluted durelon or ZOP.

TBNE for bridges.


John,

Why the TBNE for bridges? Thanks. Cool
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john kanca



Joined: 14 May 2005
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PostPosted: Fri Mar 16, 2007 11:34 am    Post subject: Reply with quote

Mark J Fleming DDS wrote:
john kanca wrote:
Prep
Temp
Impression
Seal


Diluted durelon or ZOP.

TBNE for bridges.


John,

Why the TBNE for bridges? Thanks. Cool


It's LESS retentive.

The other temp cements can make the bridge removal a bear .
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Ekrause



Joined: 11 May 2005
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PostPosted: Fri Mar 16, 2007 2:10 pm    Post subject: Reply with quote

I've been packing the cord, then sealing the prep right away with the rubber dam on. Scrub with alcohol to remove oxygen inhibited layer.

Then make temp (a thin coat of saliva stops temp from sticking to the prep nicely).

Then remove cord and take impression.

This way I don't have to worry about regaining isolation and stopping bleeding before sealing the prep after taking out the cord and the impression.
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czeqm8



Joined: 24 May 2006
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PostPosted: Fri Mar 16, 2007 6:32 pm    Post subject: Reply with quote

Any worry about the temp leaving a residue and then interfering with the impression?
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Matt Brink
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Mark J Fleming DDS



Joined: 11 May 2005
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Location: Sarasota, FL

PostPosted: Fri Mar 16, 2007 7:07 pm    Post subject: Reply with quote

czeqm8 wrote:
Any worry about the temp leaving a residue and then interfering with the impression?


Just clean it with alcohol. Removes any contaminants. Cool
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