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FAQ:  Dental Crowns - Part C


Loose Crowns
Gold vs Porcelain
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  • I have four crowns on my front teeth and cannot stop my front gums from bleeding profusely. They do it when I floss, if I hit them accidently, or even for no reason at all. None of my other teeth bleed. ...Visitor from MA     (answer)

  • Crown replacement: I had a root canal done on tooth #2 through a pre-existing porcelain crown about 4 years ago. On my recent dental exam my dentist said I had decay underneath which will result in needing a new crown. What is the purpose of replacing a crown on a tooth with a root canal already done? What are the benefits for my tooth? I thought he might be money-hungry. ...Visitor from TX     (answer)

  • Gold Crown and Floss: I have a gold crown and when I floss the crown it leaves a black stain on the floss. It almost looks like oxidation. The floss I am using is whitening floss. Should this be ocurring? ...Visitor from CO     (answer)

  • About 5 years ago I had two crowns installed too low. The dentist said I would need a gold crown as I had a "hard bite". It was a bite he created as I had a perfect bite before. Quite frankly I had forgotten about the dentistry until I awoke one morning with terrible pain in my front teeth. I have since had the crowns raised but the front teeth still hurt when I try to eat. So I am still existing on liquids and very soft food. Do you think I have permanently damaged the front teeth and who do I seek for help? A neurologist? A neuromuscular specialist? I am at my wits end and need help badly. ...Visitor from CA     (answer)

  • A little over two years ago I had a crown put on one of my back molars. The gum under it has now turned black and has gotten sensitive. At first it was just under the tooth where the crown was. Now it is spreading to my other molars. I have flossed, and brushed my teeth, and chewed gum. Is there anything else I can do to get my gums to turn the red color again. ...Visitor from AZ     (answer)

  • Crown Allergy: It appears that metal crowns have some nickel in them. I have an allergy to nickel. My insurance will only cover metal crowns. Is it possible to have a metal crown without nickel? ...Visitor from Toronto Ontario Canada     (answer)

  • Crown Endurance: I recently had my second permanent crown in four months put on by my general dentist. The first permanent crown lasted approximately two months before the porcelain cracked on the crown and partially came off. A second crown (porcelain fused to gold again) was ordered and placed on my previously root canal treated tooth (#18) approximately six weeks ago. It now has a small hole in the porcelain (which is what happened to the first crown before the porcelain cracked off). I visited my dentist to make them aware of the hole in the porcelain and was told that "it was not a problem. Lots of people have holes in the porcelain of their crowns and as long as the hole did not get any larger not to worry about it." My concern is that based on the research I have done, on average, a crown should last between ten and sixteen years. These crowns are not even lasting two months. Questions: 1. Should I demand another new porcelain fused to gold crown be put on my tooth? 2. Is a hole in the porcelain of my crown truly ok or what other dental problems could it cause? 3. How common is a hole in the porcelain of a crown? 4. Is this recurring problem most likely due to the materials used to make the crown, the craftsmanship of the crown or the installation of the crown? ...Visitor from GA     (answer)

  • Crowning Procedure: How long does putting on permanent crown usually take? ...Visitor from CA     (answer)

  • Crowns and Pregnancy: I went to the dentist at the beginning of the month to get a crown on my front tooth. I am still waiting for the permanent tooth. I'm concerned with pregnancy. If I am pregnant I will know the day of the procedure of putting in my porcelain/permanent tooth. I wasn't concerned because they said it would take 2 weeks for the whole procedure, but it's been dragging...so I continued trying unaware that it would take this long. If I AM pregnant, can I finish getting the crown put in? Do they have to numb me or do you think with some heavy breathing and meditation I can pull through with the cementing of the tooth? ...Visitor from PA     (answer)

  • Dark Line between Gums and Crowns: I have 12 crowns including front teeth that have a definite line. Some were showing when I first received crowns. Now it is much much worse. Is there any procedure available to fill in this space other than all new crowns, which is too costly? It is so unsightly. ...Visitor from KS     (answer)

  • Temporary Crowns: I went in and had a root canal done on one of my teeth and a temporary crown placed on the tooth. At the same time, I was fitted for the permanent crown and told to come in within the next 6-8 weeks to have the permanent crown placed. I did not return to the dentist's office until 7 1/2 months later to get the permanent crown placed becasue it took me a while to pay for the crown and they wouldn't place it until it was paid. I also was not told that if you waited too long it wouldn't fit. When I returned they said that the permanent crown did not fit and that was because my teeth had shifted. They worked on the permanent crown and used it to make a new temporary and took impressions of the tooth again to make a new permanent crown. To add to my frustration, a week after this temporary was placed,it came out and I bit down on it and broke the tooth below it off. I have been billed for another half crown because the dentist office flat out said that the only reason the permanent crown did not fit was because I waited too long to come in and that there was zero chance that the crown was made wrong by the lab. I asked if I could have a discussion with the dentist but he never returned my phone calls. I am planning to change dental offices and have asked for them to forward my x-rays to another office but they refuse to do that until I pay for the other half of the crown. What should I do? Is it true that if you wait too long the permanent crown most likely will not fit and that the lab can't possibly make any mistakes? ...Visitor from MI     (answer)

  • Crown Cement Failure: I had a crown put on a back tooth about 18 months ago by one dentist and have changed dentists in the meantime. The new dentist says the cement is gone only on the outside of the tooth closest to cheek. He wants to pry the crown up or off and re-cement it. Is this safe or a common thing to happen? ...Visitor from VA     (answer)

  • New Crowns turning Gray: 2 months ago I had 8 DaVinci crowns put on and 4 of them have gray spots and all the crowns have a gray tone to them. When I had my temps on I got a horrible bacteria infection, it was the worse case the Dentist ever had seen. He applied the medicine to kill the bacteria before putting on the permanent crowns. He has never had this problem with crowns going gray, do you have any suggestions? ...Visitor from Ontario Canada     (answer)

  • Unhappy with New Crowns: I recently had two crowns placed that I am not happy with aesthetically because they are not anatomically like the rest of my teeth. I tried to express my dislikes before they were seated but my dentist said no one will know but me and that your teeth are different from side to side of your mouth. I am already thinking of when I can have them redone to my liking. Is there anything I can do -- should this dentist redo them for me since I am not happy with the product I paid for? ...Visitor from KS     (answer)

  • Dental Crown Replacement: I went to the dentist for a dental cleaning and was told that the crown that was put on 6 months ago needed to be replaced with a new one. What are the possible causes for this? Is it a mistake from the dental lab or with the way it was put on? I am getting a new one in 2 weeks - what can I do to make sure it doesn't happen again this time? Also, is it unusual that this occurred? ...Visitor from MD     (answer)

  • Crowns cause Shifting? Can a poor fitting crown cause other teeth to move? After a new crown was placed on an upper molar, I have noticed a change in my second to the front tooth on that side. The tooth is turning sideways. ...Visitor from NJ     (answer)

  • Metal versus Ceramic Crowns: My dentist has been recommending a 3/4 crown for my upper left molar (I think #14) for about two years. The reason has to do with a rather large filling which has been in place for many years. He wants to use porcelain/ceramic material. I told him I'm not conviced that porcelain is the best material for a back tooth, especially for someone who grinds and clenches their teeth. I asked if metal might be better alternative and he told me he was concerned with the metal not adhering to the tooth properly. ...Visitor from MA     (answer)

  • Crumbling Implant Crown: My 16 yr old daughter had an implant approximately 5 months ago. She bit into something and the tooth began to crumble. It continued to crumble until it looked like a shattered window. The fentist lectured her on proper care and what foods could or could not be eaten.. and then super glued something to it. 3 days later the whole thing crumbled and fell off. Is this common? I assumed they placed a permanant crown on the post. The impression procedure I was told, would allow normal eating. Will she continue to worry about it breaking? A typical teenage girl overly concerned with looks is scared to death at being out with friends and her front tooth falls off. ...Visitor from CA     (answer)

  • Porcelain Crown - Blue at bottom and gum line A couple of months ago I had a porcelain crown put in on the bottom front tooth. After the installation, I immediately noticed my tooth looked blue at the bottom. I went back to my Dentist to have it cleaned and he said there was no need...the blue streak is the matching up part to my tooth. He acted as if this was totally natural. I don't have any other blue teeth and this bothers me. Is it normal for a crown to have a blue bottom at the gum line? ...Visitor from SC     (answer)

  • Cosmetic Dentistry Crowns for Children: Both of my children, ages 3 and 6, have cavities. My six year old has been set on a plan to extract 3 teeth and get a silver crown on another. Is there an alternative? I would like for my daughter to get all porcelain crowns, is that an option?? Then my 3 year old has had her 4 front teeth bonded, and 2 of them are starting to decay. What do I do? I do not want her front teeth extracted. Can these teeth be redone? Is there any cosmetic dentistry available for any of these problems?? ...Visitor from FL     (answer)

  • Determining Need for Crowns: How is it determined that a Dental Crown is needed? How much of the existing tooth must be destroyed to fit the crown? Can an inlay often be fitted in place of a crown? ...Visitor from MO     (answer)

  • Removing Crowns: I got crowns put on the front 4 of my teeth. But I'm not satisfied with the color. The dentist did not tell us it would be best to whiten my teeth before getting the permanent crowns put on. My question is, can you remove the crowns to get others? ...Visitor from FL     (answer)

  • Cavity in Root of Crown: I would like to know if you have a cavity in one of your crowns, would you treat the tooth by cutting the gum and taking out the root, which is dead? I have these crowns all attached together, they are all one piece. In order to not take the whole bridge work off I was told that you can cut the gum and leave all the others alone. The only thing that would be is a gap where the root was cut out. It doesn't matter in my case because when I smile you cannot not see it. I feel so confused about what to do. ...Visitor from NJ     (answer)

  • Tingling Gum Pain with New Crown: I had my tooth prepped for a crown. I wore the temporary for a few weeks with no problem. Now that the permanent crown is in place, I can't hit the roof of my mouth with food or my tongue. The sensation is that of aluminum foil on a metal filling. There seems to be slight swelling in this area. ...Visitor from IL     (answer)

  • Replace Crown with Implant?: Two days after the crown was installed on a tooth that had a root canal the tooth became extremely painful. I returned to the dentist and they adjusted my bite. The tooth felt much better for one day but the pain has returned and is increasing in intensity. The jaw is painful and the tooth very sensitive. Pain radiates into my ear. My question is if the dentist finds nothing wrong such as no abscess would it be recommended to remove the tooth and have a dental implant? ...Visitor from DC     (answer)

  • Captek Crown Gray Line: I recently had a Captek crown inserted over one of my front teeth. I chose Captek to avoid having any gray or black lines show up over time. It has been two weeks since the insertion and I still have a gray line at the gumline. My dentist said my gums would come down to cover the gray line. Also, I realized that my dentist seems to have exposed some of the metal in the back of the tooth while adjusting the crown to suit my bite. ...Visitor from NJ     (answer)



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