Treatments for Yellow and Discolored Teeth

Human teeth discolor due to various reasons. There are three main types of discoloration of teeth: Extrinsic - Staining that occurs in the outer layer of the teeth, called the enamel. The main cause is Coffee, Wine, Cola beverages and smoking. These types of stains are usually yellow in color. Intrinsic - Staining that occurs in the inner structure [...]