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Dentistry/Expert Profile

Frederick R. Liewehr DDS, MS, FICD

U.S.

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Expertise

I can answer your questions about root canal therapy in general. PLEASE DO NOT ask me to diagnose your particular problems or recommend treatment as I cannot do this without examining you and seeing your x-rays.

Experience in the area

I am a Board-certified endodontist, former university department Chairman, teach dental residents, and have a private practice.

Organizations

ADA, AAE, ICD, AAOM, FDI, AMSUS, AAOB

Publications

J of Endodontics, Endodontics and Dental Traumatology, O,O,O, Military Medicine, Medical Bulletin, J of Dental Education

Education/Credentials

DDS, MS (Oral Biology), certificate in Endodontics

Awards and Honors

Surgeon General's "A" Designator, Fellowship ICD, Order of Military Medical Merit

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

2009-11-18 Root canal -reg:

There is no limit to the number of teeth you can have treated by root canal therapy. You do need to get permanent fillings in them once that treatment is done, and for back teeth a crown is generally advisable

2009-11-14 Tooth Decay / Erupted Wisdon Tooth / Sinus Infection:

I cannot give you definitive advice without seeing you and your x-rays. However, there are a couple things I can tell you. First, we need a diagnosis for your problem. I don't have that. From what

2009-11-13 Worried. What would make my dentist refer me to endodontrist:

An endodontist is an expert at root canal therapy. Your dentist was right in referring you. Dentists are different than physicians when it comes to referring people. If a physician sees that you have problems

2009-11-11 Root Canal:

Normally what one sees in a tooth with a necrotic (dead) pulp is what we call a periapical radiolucency, which shows up as black on the x-ray, not white. Sometimes we see a radiopacity, which is white

2009-11-10 Post-Root Canal Problems:

Nothing more can be done. If you are not biting prematurely (you passed my biting test), then it is just sensitive due to the crack. It may give many years of service, but always be a bit tender to biting

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