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Can these crowns be removed?
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Questions in the Dental Health forum are answered by Dr. Jerome Tsang. Topics covered include bridges, cavities, crowns, and x-rays.

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Can these crowns be removed?

About a month ago, I got 2 root canals done on my top molars. My dentist said that he will put 2 crowns built in one (i.e 2 crowns in one unit), in order to eliminate a 'gap' between the 2 teeth. When he put the crowns before cementing them, they we ok. But when he cemented them to my teeth and while they were setting, he applied some pressure to them which caused them to tilt inward. I told my dentist even then about what happened but he said it was nothing. The problem that has resulted from this accident is that, when I bring my teeth together, the crowns dont make contact. The normal side makes contact and also it hurts due to constant impact. I did go back to my dentist several times and he did lots of filing on my opposite side and he said the problem will settle. But it has not. I even asked him if I can get these crowns removed, to which he said no. I have the porcelain on metal type crowns. They have given me a lot of pain and discomfort. Please, there must be some way these crowns can be removed!
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Avatar_dr_m_tn
These crowns can be removed but in all likelyhood they will have to be cut off and redone which from what you tell me is the correct thing to do.
7 Comments
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Avatar_n_tn
i have seen this happen. while cementing the bridge shifted and it didnt seat correctly. if just light yes adjusting the bite could correct it. but if you say he has adj and adj (and on virgin teeth??) then he is trying to correct his mistake. see if he has to remove them (and yes they can section them off with a handpiece easily) then he has to give you free time and pay the lab fees for the new bridge and he doesnt want to. bridges are EXPENSIVE and you are entitled to good dentistry not sloppy dentistry. im sure many dentists have had this happen . saw it myself when i worked in that field. we simply removed the crown/bridge and remade it . one thing though when he cements it and says bite hard do it so the excess cement can flow out and it will seat properly down . good luck!
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Avatar_m_tn
they can easily be removed. it sounds like that is what needs to be done. new ones can easily be remade. sounds like the dentist is trying to correct the error the easyway. properly placed crowns should feel comfortable. do not allow any more adjusting on the opposing side before getting another opinion.
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Avatar_n_tn
Some crowns can be removed with a crown tapper.  It has a small hook like thing on the end and the handel slides up and down which makes a small tap on the crown itself. Sometimes this is enough to remove the crowns, but with new cement it may not be enough.  There is also a small square greenish type thing that you hold in your mouth and it sort of softens and then you bite down on it and it will stick like cement and then hopefully it will pull the crown off.  Kind of like if you got a sugar daddy caught on there.  I hope the dentist has not adjusted any of your natural teeth to help with your bite.  This could really screw you up.  You may have to just eat the $ and go else where.  Your teeth are nothing to mess with and esp. your TMJ. Once that gets screwed up you will be in a lot more trouble and out a lot more $$$$!!  Good luck!
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Avatar_n_tn
the "tapper" and green sticky crown removal you are talking about, do you work in a dental office and is this what they use?? oh how dinasour. its the worst way to remove a permenantly cemented crown. it causes too much trauma and why put the patient in this much discomfort (mental more than anything) using a high speed drill (there are very good ones used just for this) removes it quickly and is better for the tooth. i was just wondering. i was an rda in a high producing and state of the art practice for many years and i dont think we EVER used those. with the exeption of the green stuff when it was not cemented yet just stuck lol. im sorry i just didnt realize anyone would still use this technique in 2006.
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Avatar_n_tn
Most dentists will try to use the tapper because it removes the crown/bridge in ONE piece, which is always worth a try!  Who wants to sit in a dental chair for another two hours repeating the LONG procedure of a prep????  FREE or not, dentist's fault or not, most people would appreciate getting the appliance off, if possible, for recementation rather than the process of refabrication.  Time is valuable for most.
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Avatar_n_tn
well the tapper can fracture the tooth. most cements these days are very strong and to pull a crown off this way might take some of the tooth off. are you referring to removing the crown, cleaning the cement off the tooth and crown and then recementing it? it wouldnt take a few hours. just clean the prep up re-pack, new imp. a temp (which takes like 10 min to make) and yes they come back. or they find a dentist that uses the cerec machine. that is cool, i have made crowns that way all in one visit. where state are you in? time shouldnt be the issue but a job well done. my opinion. kinda like car accident with squashed fender. use bondo and see how long it lasts. or replace it. takes more time and money maybe, but its a job well done that will last.
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Jerome Tsang, DDSBlank
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