Really bad f***ing teeth

OK I got really bad teeth about 19 holes, I brush 3 times a day and follow everything the dentist says to do, they always get worse and it hurts me inside since I know it's hideous, well I can't afford to get my teeth fixed since its about $10,000 to get them all properly done. I'm so ashamed of my teeth that every time I laugh now I have a forced habit of putting my hand in front of my mouth to hide my teeth. I've tried every house wife tail to try and make them look better and nothing works and just wondering if anyone has some secrets their willing to share.
Really bad f***ing teeth
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