Monday, April 27, 2009

Dental Porcelain Crown.?

I am going to have some dental work done soon and I am having a porcelain crown fitted to my top front tooth.


I have had some bad experiences with dentists in the past, the last dentist I went too made a mess of one of my lower front teeth.


Regarding having a porcelain crown fitted....


1. After they have filed down your tooth, is there any work done on your gum, or inside your gum? Do they shave tooth below the gum, is there any gum exposed once the tooth is filed down?


2. When you have the permanent tooth fitted, once its in place, can you actually feel that its different? Do you have any sensitivity around the gum line a few weeks later? Basically, can you feel inside your mouth its a different tooth?


I have heard some horror stories about people who had had problems with crowns. I have had a root canal and a metal post placed inside the front tooth to keep it strong.


If I could I wish I didnt have to have my tooth shaved/filed down, it seems like I have no choice. Please help

Dental Porcelain Crown.?
To make a crown that fits well, one in which you CANNOT see the edge of the crown at the gumline, the dentist MUST file the tooth below the gumline. The impression material has to flow under the gum so that the dental lab can fabricate a crown that is seated just below your gumline. Trust me, you don't want to see the edge of the crown. It is unsightly and it accumulates plaque and food. The gum might be very slightly traumatized in the process, but it is minor and heals very quickly.





The crown will feel a little different for a few days. You will forget it is there very quickly.





There should be no sensitivity after especially since you have already had a root canal.





Simply stated, if you have a competent dentist, prepping a tooth and fabricating a crown is nothing at all for you to worry about. I do want to tell you that you must inspect the color of the crown before you leave the office because you want it to match the adjacent teeth. Your dentist cannot just tell you that there is nothing he can do and make you live with it.
Reply:They file the tooth down, but they do not go below the gum line. There is no work done on your gum or below it. The tooth is shaved/filed down so that they can put the crown over it. Imagine them filing the tooth down so that the top looks like a toothpick, and then it widens out. Once the tooth is fitted it will feel a little different for a few days (and you will run your tongue against to feel the slight nuances). After about 3 days (if that long) you won't even notice it anymore. I had a post in my tooth, and one day the post came out so I had to get a crown. The crown does not bother me at all, and it is the same color as my other teeth so you don't know it is a crown unless I tell you. I have been very lucky that I have had a great dentist, so I don't have a horror story about my crown or post. Hope this helps. Good luck and go into with an open mind and a belief that it will be ok.
Reply:The tooth will be prepared to about 0.5mm below the gumline. This hides the join between the crown and the real tooth. If the crown is porcelain-fused-metal (PFM), then ask for a porcelain butt margin. Also, ask for a high-gold metal underneath (at least 18 carat) so that you will not have any gum reaction. Cheaper metals are the most common cause of gum irritations. Alternatively, have a crown with a zirconia substructure (white, non-metallic).


For a front tooth, a pre-made metal post is a weaker choice than a custom-made gold post and core. It will cost more, but you can have the pre-made metal post removed and replaced with a gold one. The dentist can shake it out with ultrasonics.


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