What treatment is needed for a calcified root canal?

Hi Dr Hall,
First of all I appreciate the good work that you are doing.
Regarding my question: my daughter had yellow staining on her right front tooth. The doc did an x-ray and said the root canal is getting calcified and suggested a root canal. After the root canal we suggested to leave it as such but he said the tooth would fracture and a crown is a must. The crown he suggested was LAVA. We were not happy with the finish so we are trying an e.max or perhaps a metal-free ceramic. To push us to decide fast he frightened us that the gums are falling down. But I am happy I did not go with a badly made crown. I would like to know whether I have been taken for a ride and two which is the best crown to use? My gratitude for your enlightening blog I shall recommend to all my colleagues. My prayers and God Bless
– Bransdon from India

Bransdon,
I’m glad to be able to help.

First of all, I’m not sure why your daughter needs a root canal on this tooth. Just because the canal is getting calcified? As long as it’s not infected, she doesn’t need a root canal treatment. Calcification of a root canal is just the depositing of extra dentin inside the tooth. It  can happen after a traumatic injury – it’s the tooth’s attempt to protect itself against infection of the canal. Also, all teeth tend to have their canals get a little calcified as we get older.

Second, even if she has a root canal treatment, she doesn’t necessarily need a crown on this front tooth. While a back tooth that has had a root canal treatment will be prone to fracture if it doesn’t have a crown, a crown on a front tooth with a root canal treatment will weaken the neck of the tooth. A back tooth has a chewing surface. Chewing pressure on this surface will tend to push apart the cusps of the tooth, possibly causing it to split. But if a front tooth breaks, it tends to break around the neck of the tooth, and it just breaks off entirely at that point rather than splitting as back teeth do.

The Lava crown and the e.max crown are very similar to each other. They both have a very strong lithium disilicate base overlaid with a feldspathic porcelain, but they are made by different companies. They are a good crown for dentists who aren’t very good at cosmetic dentistry procedures, but they require aggressive tooth reduction, which will further weaken this tooth.

In India, you have to be very careful with getting crowns or any type of complicated dental care. I’m not all that familiar with their standards there, but I know they aren’t as high as they are here in the United States. But the best thing to do for a front tooth that does not have a large filling, which sounds like it is your daughter’s situation, is, after the root canal treatment (if it needs that), to then have a translucent fiberglass post placed to strengthen the tooth. Before placing the post, all of the root canal cement and root canal filling materials should be cleaned out from the inside of the visible part of the tooth – this will help insure against discoloration. If the color is off, I would have that fixed with a thin porcelain veneer. That will help the tooth retain its maximum strength. And I would try to seek out a dentist who is somewhat familiar with cosmetic dentistry procedures. There are dentists in India who are members of the American Academy of Cosmetic Dentistry, and I would seek out one of those. (You can go to the AACD website and pull up a membership list.)

I do not recommend, in the United States, relying on membership in the AACD for any type of assurance that a dentist will do good cosmetic dental work. But in India, it does show a strong level of commitment to cosmetic dentistry to be willing to fly to the United States to learn these procedures.

– Dr. Hall

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About David A. Hall

Dr. David A. Hall was one of the first 40 accredited cosmetic dentists in the world. He practiced cosmetic dentistry in Iowa, and in 1990 earned his accreditation with the American Academy of Cosmetic Dentistry. He is now president of Infinity Dental Web, a company in Mesa, Arizona that does advanced internet marketing for dentists.

I love my Nesbit partial

Dr. Hall,
Not a question, but just a statement. I have had a Nesbit partial (left small incisor) since 2004 . I swear by it. Never came close to swallowing it or to losing it. One has to be aware of sink drains, however. I can see that the old ones, having metal parts, would be dangerous to swallow.
– Ed in Delaware

Ed,
Thanks for sharing that.

For those who aren’t familiar with the Nesbit partial, it is a small, clip-in replacement tooth replacing one tooth, or possibly two adjacent teeth. It clips onto the adjacent teeth. The clasps used to be made with metal, but now is almost always made with plastic clasps.
Dr. Hall

Link: Click here to read more about removable partial dentures in general.

We thank our advertisers who help fund this site.

About David A. Hall

Dr. David A. Hall was one of the first 40 accredited cosmetic dentists in the world. He practiced cosmetic dentistry in Iowa, and in 1990 earned his accreditation with the American Academy of Cosmetic Dentistry. He is now president of Infinity Dental Web, a company in Mesa, Arizona that does advanced internet marketing for dentists.

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