Teeth whitening, from a medical perspective is a clear stain on the tooth enamel and dentin and the pigment process. Teeth whitening experts told reporters, causing the teeth black, yellow for many reasons, generally divided into endogenous and exogenous two.
Exogenous surface of the teeth is due to a variety of bacteria, they secrete a number of adhesive on the tooth surface material, the diet tea dirt, smoke stains, and some minerals in drinking water adsorbed on these sticky material, gradually the teeth turn yellow or black. Endogenous process dental equipment in the formation of tooth development, such as tetracycline deposition in the dentin, could make the teeth become yellow or dark gray, known as tetracycline; If too much fluoride in drinking water may also lead to dental fluorosis teeth, teeth with brown patches.
According to the depth of the teeth and causes the color difference, should take a different approach whitening. Methods currently used are the following: whitening toothpaste, scaling, tooth bleaching, porcelain, and the latest popular white tooth paste. But regardless Periodontal disease leading to loss of teeth which method to ensure that dental caries and periodontal disease must have completed treatment, otherwise it will increase these symptoms.
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