Is there a permanent way to whiten teeth?

My teeth are yellow. And I want them to be white. I also want to use something that works. Not something I have to use ever few months or anything. Just something I use once. I've tried whitening toothpaste and mouthwash, but It just doesn't seem to do the trick. HELP!
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Like they said, the only real long term solution is to do veneers on basically all of your teeth. These are normally done in porcelain, and are facings that are cemented over the fronts of your teeth. These can be done on the front teeth, but in the back teeth you would need crowns because veneers don't hold up in back (due to chewing forces). The porcelain can be made pretty much as white as you want, and doesn't change color over time. The drawback is it is going to cost in the neighborhood if $1000 per tooth, so if you have 28 or however many teeth, you can do the math. Pretty much any type of whitening system you use will eventually fade over time and will need some touch up from time to time, but that is really not that big of a deal. If you have bleach trays made, you can normally just sleep in them and take them out in the morning. Do that a few nights and you should be back to being white!
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