Dentistry/Expert Profile

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Recent Answers from Frederick R. Liewehr DDS, MS, FICD

2012-02-05 pain:

That is not unusual. Give it some more time. There are a small number of teeth that never feel quite right. There are different explanations for this, but the bottom line is that to try to fix it would

2012-01-30 Root canal and continued tooth pain:

I can't give you a definitive answer without seeing you, of course. The only thing we can do by e-mail is look at it logically. Did you have the pain and discomfort prior to the root canal therapy? If

2012-01-21 Throbbing pain after filling and root canal:

Obviously I can't say anything with certainty without seeing you and your radiographs, but it sounds like you had an irreversible pulpitis following the restoration, and your dentist did not remove all

2012-01-19 obstructed root?:

I personally find that bogus as well. As an endodontist, mostly all the canals I get are obstructed. Canals tend to calcify due to the inflammation that occurs in response to caries, large restorations

2012-01-11 Root canals:

Not having seen your husband, I would have no idea why, or if, he needs all these root canals. If he does need them, he has probably neglected his teeth for a long time and the decay has gotten the better