Fixing interproximal margins on a temporary

[Decan]

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I'm having issues with fixing interproximal margins on my temporaries with flowable resin. I normally use the gold resin placement instrument to carry it to the margin and use an explorer to shape it. It normally works alright but sometimes its tough to get the instrument where resin is needed.

Any hints and/or suggestions?

 

[teeth63a]

You may be able to avoid all that by using a resin based temporary cement (olympian is one) along with a resin based temp material. When you check the fit before permanently cementing, note where the short margins are. Fill the cement in, and immediately contour where the short margin is, trying to fill the void with the resin cement, using an interproximal carver, plastic instrument or explorer. Avoid large overflow chunks in the immediate area because when you flake it off, the patch might come off right along with it. Clean the rest of the excess off as normal. The resin cement sets pretty hard for the short term and is pretty durable with the temporary. After two weeks when the patient comes back, the patch almost always comes off with the temporary as if it were one piece to begin with.

This way avoids the messiness and time consumption fiddling with flowable.

 

[The Hammer]

Place a small amount of packable composite on your contact area. Push your temporary in place and use a blade composite instrument to shape it. Cure for 3 second and remove, then do a final cure. Trim the flash and you are done.

 

[Decan]

You may be able to avoid all that by using a resin based temporary cement (olympian is one) along with a resin based temp material. When you check the fit before permanently cementing, note where the short margins are. Fill the cement in, and immediately contour where the short margin is, trying to fill the void with the resin cement, using an interproximal carver, plastic instrument or explorer. Avoid large overflow chunks in the immediate area because when you flake it off, the patch might come off right along with it. Clean the rest of the excess off as normal. The resin cement sets pretty hard for the short term and is pretty durable with the temporary. After two weeks when the patient comes back, the patch almost always comes off with the temporary as if it were one piece to begin with.

This way avoids the messiness and time consumption fiddling with flowable.

I'm sorry I didn't clarify, but this is on the dentoform for a practical so we're not cementing this in. But I do like the idea of using the interproximal carver...I'll have to try that one.

The Hammer, just to clarify, are you talking about repairing an interproximal contact?

Thanks for the suggestions...keep 'em coming!

 

[mike3kgt]

I'm sorry I didn't clarify, but this is on the dentoform for a practical so we're not cementing this in. But I do like the idea of using the interproximal carver...I'll have to try that one.

The Hammer, just to clarify, are you talking about repairing an interproximal contact?

Thanks for the suggestions...keep 'em coming!

Best thing is to use acrylic resin and know what your margin is and make sure you trim short with an acrylic bur and then just "flick" off the last little bit. You can't really close it better than that interproximally. Buccal/Lingually the best is to use salt & pepper technique or flow composite.

 

[The Hammer]

Best thing is to use acrylic resin and know what your margin is and make sure you trim short with an acrylic bur and then just "flick" off the last little bit. You can't really close it better than that interproximally. Buccal/Lingually the best is to use salt & pepper technique or flow composite.

No offense but unless you have unlimited time or a patient who loves the taste of monomer never "salt and pepper" a temp. I have a few friends who still use stuff like Jet Acrylic for their temps but that stuff is inferior to the newer automix acrylics in both time efficiency, lack of staining, shrinkage and durability. Its also way less technique sensitive. Also it is very difficult to add to most of the monomer acrylic temporary materials. A good automix like Pro-temp Garant cures faster and more throughly and you can add to it easily with composite both flowable and packable.

 

[The Hammer]

I'm sorry I didn't clarify, but this is on the dentoform for a practical so we're not cementing this in. But I do like the idea of using the interproximal carver...I'll have to try that one.

The Hammer, just to clarify, are you talking about repairing an interproximal contact?

Thanks for the suggestions...keep 'em coming!

Yes. With composite there are two ways off correcting a shy interproximal contact.

1.Take your temporary off. You may want to lube the opposing tooth especially in the dentoform to keep it from bonding to the ivorine tooth. It might not make an strong bond to the ivorine tooth but it might make it hard to remove and possibly crack your temp. Place a small oviod amount of composite in the contact area and slowly push your temporary back into place. Use your bladed composite instrument to "push" the composite that might extrude out back into the contact area. Do a short cure to allow it to harden enough so that it doesn't come off the temp but hard enough to keep its shape. Once off the tooth finish the cure. The contact will be slightly concave. Use a bur to trim back the outer most edge but leave the center intact. Your contact is corrected.

2. Lube the opposing tooth. Leave your temporary on the tooth. Using an instrument and pull the short contact open. Squirt some flowable into the contact right at the center of the contact. Then let the go of the temp and do the same curing and finishing steps that I mentioned above.

Good luck