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FAQ:  Dental Crowns


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Question:
All porcelain vs. porcelain fused to metal crowns: I am 23 years old and I consider myself to be a beautiful young lady with one big flaw... my teeth! I had a porcelain crown in tooth #8 (very front) and now tooth #9 is in need of a root canal and ultimately another crown.

At this point I'd like to have both re-made so that they can appear natural and similar to one another. I've gone to many different cosmetic dentists and they all have different opinions as to what type of crowns I should have made.

The tooth that already has a crown has a metal post which according to my regular dentist "will probably be impossible to remove because there isn't much tooth left" and he just placed it less than a year ago.

What type of post is used for an all porcelain crown? Would it be possible to use the existing post for the new crown? Taking all of this into consideration should I have all porcelain crowns or porcelain fused to gold crowns made? ...Visitor from NY

Answer:
What you describe has many possible solutions. Yes, posts can be removed from teeth and new ones placed. Also you may not want to remove a post due to the harm that it will cause to the tooth and the possibility of loosing that tooth.

Posts that are used under all porcelain crowns are now often made of a tooth colored material such as zirconia. The metal posts will sometimes show through the porcelain crown. If this is the case then a yellow gold fused to porcelain may be a better choice, this will give a warmth to the tooth as opposed to the silver colored gold which may give a grayness to the tooth.

When doing this you may also want to consider placing veneers on the neighboring teeth so that all of the porcelain is the same and the teeth the same color (matching porcelain to natural teeth is very difficult in all of the light conditions that you will be in, such as out-doors,florescent, incadesant, etc.).

One other consideration is that the bottom teeth will be contacting the upper teeth and of the contact is on porcelain than the bottom teeth will wear at a faster rate due to the porcelain being harder. In this situation you may want to place veneers on the lower or having a metal surface contact the lower teeth.

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