I had the trays once but they didnt make the entire tooth white, as if the product didnt cover the entire tooth, it wasnt uniform. will the laser (i think its laser), the one time whitening be better at making the teeth all white?

it’s too darn expensive. If you are looking for the best Teeth Whitening, check out this

http://best-home-teeth-whitening.info

You’ll get a white and bright smile just in 1-2 days and it’ll last for 6 months or longer. And it’s easy, fast and safe for your teeth.