Why wont my teeth whiten?

I tried evrything and i brush my teeth 3 times a day(morning before school, after dinner, and b4 i go to bed) i also use the blue light thing like evry week but it only whitens it a little for like 2 days then it goes back to normal, i also floss everyday..so what should i do? I also have perfect teeth because i had braces b4

Why wont my teeth whiten?
the same thing is happening to me right now. i try to keep my teeth perfet too and it still doesn%26#039;t seem white. but ive had many people tell me i had very white teeth. ive even asked people i knew who haven%26#039;t commented and they said they were very white. your teeth are probably really white too, it just doesn%26#039;t seem that way to you. i don%26#039;t know why but it was the same for me.
Reply:might be what you are eating/drinking. like people who drink lots of coffee and colas will counteract the teeth whitening products they are using.
Reply:Crest White Strips,





Worked for me. Really well. Mine have been really white for over a year.



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