well i actually went to the dentist and he made molds of my teeth and i used whitner on them for a while, a couple of years ago. the reason i had to have this done is because when i was younger i had phenominia and the treatment for that ended up staining my 2 front teeth really bad. i looked like id been smoking since i was 5. i dont even smoke. so anyways i used what the dentist gave me, and now a couple of years later its starting to show through again. i brush 3 times sometimes 4 times a day and floss once every day and use mouth wash 30 seconds 1ce a day. never had a cavity in my life
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