LPT Request: How to get whiter teeth?
LPT Request: How to get whiter teeth? I have tried the custom mouthguard based on my own teeth impression with 16% peroxide, and unfortunately, it seems that I am out of luck because my teeth are either naturally yellow in color, or my enamel is gone, making the yellow color permanent because my teeth color did not get brighter at all. I also tried Crest OTC whitestrips twice and bo...