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Dental and Oral Health Center

Front crown smells and it`s turning gray



I have a crown that was put in about 6 or 7 months ago and i notice a bad odor coming from the area when i floss or when i rub my finger on the gumline. Also in the last 3 months or so the crown has started turning gray. Should there be an odor coming from the crown? Do crowns turn gray after that short period of time. If so should my dentist repalce the crown at no charge or would I have to pay for the whole procedure again.


If the gums are healthy and the area is kept clean with daily flossing, there should be no odor. The area should be evaluated clinically and radiographically to make sure that the crown fits properly. It is not unusual for dentists to do the crown again at no fee if there is a problem with the crown.

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Response by:

Nancy L Clelland, DMD, MSD Nancy L Clelland, DMD, MSD
Professor of Restorative & Prosthetic Dentistry
College of Dentistry
The Ohio State University