Articles Written by William Cotter From Isnare.com http://www.isnare.com/?s=author&a=William+Cotter Teeth Whitening Isn't Just For Those Hollywood Stars! Medicines and Remedies William Cotter Fri, 24 Feb 2006 00:00:00 -0800 http://www.isnare.com/?aid=36922&ca=Medicines+and+Remedies Why whiten your teeth. How white is white? Teeth whitening is big business these days. Why don't teeth stay white, and how important is it anyway? Teeth aren't naturally pure white to begin with. Most teeth are a light shade of ivory or yellow. Teeth darken with age, mostly because of accumulated st...