The exposed root portion of teeth, which occurs with gum recession will also not bleach. Tetracycline (an antibiotic) stained teeth or grayish teeth are more difficult to bleach and have a varied prognosis. You may have to have the dentistry redone to match your new white teeth.
It will NOT bleach (whiten) nor harm bonding, caps, crowns, bridges, fillings, or any other artificial dental work. Tooth Whitening (bleaching) gel will only whiten natural teeth. Please read the manufacturers instructions and use this as a friendly guide in addition to the manufacturers instructions. These are general recommendations and may vary between manufacturers. Please read before using tooth whitening bleaching gel. Teeth Whitening Instructions for use with professional bleaching gel and whitening trays.
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