Teeth Whitening – How It Works (Atlanta, GA)

Teeth Whitening – How It Works

Teeth Whitening How It Works The outermost layer of a tooth is the enamel. This is a thin layer that partly covers the tooth and forms a wrap for the exposed crown. Following that is the dentin. The dentin is very similar to the enamel except it is not as hard and as shiny and while the enamel is generally white in appearance the dentin is not. Extrinsic tooth stains forms in the enamel while for the most part intrinsic stains that show trough the enamel occur in the dentin. First the tooth enamel is a highly mineralized very hard part of the tooth composed of strand of rod-like crystalline materials. These rods while very tightly packed have microscopic gaps in between them. The density of the crystalline rods differs from individual to individual and explains the reason why some tooth enamel are tougher than another person s enamel. Nonetheless all most all of us are born with bright shiny teeth. Even the permanent tooth that follows later invisibly white is cast. Learn More.... www.only-and-about.com teethwhitening