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A 38-year-old member asked:

Can you let me know how many times can a root canal tooth be retreated?

2 doctor answers7 doctors weighed in
Dr. Jonathan Richards
Endodontics 18 years experience
Varies with the case: Root canal retreatment can be a successful procedure. The success depends on correcting the deficiency with the prior treatments. What happes all too often though, is a tooth becomes more structurally compromised when not managed appropriately during root canal therapy. If there are structural concerns, it may be worth getting opinions on salvageability from your dentist or endodontist.
Dr. Mark Venincasa
Cosmetic Dentistry 35 years experience
As few as possible: Each time the procedure is done there is a degree of risk. When re-done this increases the level of risk. I would have a root canal procedure done by a reputable dentist who has the best chance to do this correctly the first time. Secondly, the back teeth need a crown following the root canal procedure. Thirdly, if there is grinding or wear, i would obtain a professional night guard.

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A 44-year-old member asked:

What should I know before getting a root canal on my front tooth?

4 doctor answers5 doctors weighed in
Dr. John Thaler
Prosthodontics 41 years experience
The basics: A root canal procedure is simply a cleaning out of the tooth where the nerve and blood vessel tissues are found. This is accomplished by using different sized small special instruments to file and shape the inside until it is clean. Solutions are used to disinfect the inside and then it is sealed closed to keep bacteria from infecting it. You usually will need a crown to protect it afterwards.

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Last updated Dec 9, 2013

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