Sweet smile with white and shine teeth, it's the hopeles of everybody. Not just for woman, man, kids, father , mother, grandmother, etc. There are many people do
teeth whitening to keep their teeth still white and shine. But, also there are many people don't know what is , why and
how to do teeth whitening .This is the reason many people do teeth whitening
Many people start out with beautiful white teeth, because they have this phenomenal porcelain, type of tooth enamel on the surface. The tooth enamel is composed of microscopic crystalline rods and is made to protect your teeth from all of its activities, which include normal chewing, trauma, gnashing and any attacks of acid made by eating sugars. Over many years of use, however, there will be wearing, your teeth will be more transparent and they will become a yellow color, because the tooth’s core material “dentin” will start to show through.