American Fitness, July 1st, 2001
Americans put a high price on their smiles and these days, it seems as if everyone is willing to spend beaucoup bucks to whiten their teeth. It's an unfortunate fact of life that our teeth become yellow with age. One reason for this is that decades of brushing can actually wear away enamel and expose the yellow under layer, known as dentin. In addition, there are those adult habits of drinking coffee and smoking cigarettes that manifest themselves as dark brown and yellow stains on the teeth. The use of antibiotics in early childhood can also cause permanent gray, black or green stains and i...
HighBeam Research, Free Preview: 'To Bleach or not to Bleach?'... Full Membership required for unlimited access. Free 7-day trial.
Subscribers: HighBeam content is only available to HighBeam subscribers. Click the link above for more information.
