Yes: Crest white strips do work to lighten teeth.
Answered 12/21/2013
4.7k views
Creat strips: There is a difference between crest white strips and dentist supplied whitening: white strips only whiten the areas of the teeth they touch, which is usually the flat parts of the teeth, while tray whitening and in-office whitening reaches between the teeth and into the grooves to whiten all of the visible parts of the teeth.
Answered 3/17/2017
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