New Line Smile Network <br />Bleached, bright-white teeth seem to be universal -- and while customary treatments like whitening toothpastes, at-home trays and in-office procedures are an effective way to get there, they can sometimes cause tooth sensitivity and pain. For those wanting to steer clear of chemical treatments, there are a couple of methods that can probably help your grin to sparkle naturally. <br />New Line Smile Network
