Friday, January 8, 2010

Why does crest white strips say not to brush your teeth rightt before using them?

the directions say not to brush your teeth right before using them.


any one know whyy? does it matter if you do or not?Why does crest white strips say not to brush your teeth rightt before using them?
Your teeth have a mucopolysaccharide layer on the teeth called pellicle. This acts as a protectant layer. After you brush, it is removed and the bleach is more harsh on your teeth

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