View from the Chairside: Temporary Crowns Protocol
By Dr. Mark Venditti
Dr. Venditti graduated from the College of Dentistry at the University of Saskatchewan in 2005. He currently practices general dentistry and lives in Kingston, Ontario with his wife and 2 boys. He is a continuing education coordinator for the Kingston and District Dental Society. Dr. Venditti is also a JCDA Clinical Practice Advisor.
Until a few years ago, when making temporary crowns for my patients, I would start by taking a full-mouth alginate impression. Towards the end of the appointment, I would reinsert the impression with my temporary crown material to make the crown. Later on, I learned about a different technique and now, I use a small metal stent filled with fast setting stiff polyvinylsiloxane (PVS) material to make the temporary crown. I find this technique easier and my patients tell me they like it better.
| So, usually, a patient presents with a heavily restored, broken tooth. |  |
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| If possible, I will temporarily restore the broken segment. |  |
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| Then I fill the metal stent with the fast setting, stiff PVS material and seat it on the tooth as well as a few others so that the stent can be reseated accurately later on. |  |
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| Towards the end of the appointment, I fill the stent with my temporary crown material and re-seat the stent. Once the material is set, I remove the stent from the mouth so that I can trim the excess material form the crown, check contacts and occlusion then smooth and polish all surfaces. I glaze the crown before cementing it on the tooth |  |
This protocol has made my life a lot easier.
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I am using the same method but with the occlusion Blue-Bite paste material in a triple-tray holder. This prints holder aloud me to take in once both impressions of top and bottom teeth, leaving less distortion for replacing it at the exact same place.
The Blue-bite is ususally used for bite registration, but it as a very short setting time, few seconds only. Even if it is not dimensionnaly stable as your expensive print material that you use, I find it cheaper, faster and more ”friendly-using” than your material.
What cement do you use for your temporary crown?
Hi Louise,
I use Nextemp, but I believe there are many good ones.
Thanks
Mark
Great job Mark, Congrats! Long time no talk. Please give my best regards to your Dad.
James Noble
Thanks James,
Will do.
Mark
What do you use to glaze?