The outer layer of teeth consists of enamel, which is colored almost white and protects the deeper tooth structure. Beneath the enamel is a layer of tissue called dentin, which is yellow-brown. When the enamel layer thins or wears away, the teeth begin to look darker. #teethwhiteningtips #teethwhiteningbleach #teethwhiteningkit #teethwhiteningtreatment #teethwhiteningathome #teethwhiteningtoothpaste #teethwhiteningpermanent #teethwhiteningintamil #teethwhiteningbestremediesintamil #teethwhiteningremedies
0 Comments