Will bleaching whiten old bonding-Dr. Fred Peck

by Dr. Fred Peck, DDS 14. September 2014 06:30

When patients have their teeth whitened, they often ask if the old, existing bonding that they have will change color. Many times the old bonding will whiten, especially if the old bonding has been stained over the years and the discoloration is from external stains, such as coffee, tea, red wine, etc. It will not whiten a bonded filling that is too dark in its intrinsic color. Unfortunately, there is no way to predict how the color will change. Patients are told to assume that the color will not change and to prepare to replace any old fillings that do not match after the whitening is complete. The whitening should stabilize for at least 2 weeks, before anything is matched to that color. Another treatment that can be done to improve the color is to polish the old bonding after the whitening is completed, with the hope that the stain that remains in on the surface. These are good questions to ask prior to any whitening procedure.  

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