Teeth yellow Know?

Normal enamel colour is yellow and white or argy. People often say that the yellow teeth is the tooth surface was brown. Mainly due to the following: In the past the most common is the tetracycline (mainly because of children under the age of eight years of taking drugs cause dental tetracycline yellow colour and black). In our sixties and seventies, more widespread use of tetracyclines, excessive use of these drugs can be savings in dental tissues, the formation of calcium complexes tetracycline impede the normal calcification of the teeth, so that stained dentine, resulting in yellowing teeth. Years ago, China's Ministry of Health has banned the production and use of tetracycline in children, so a new Dental Artcles generation of young people have a little tetracycline. The other is coloured teeth, that tooth surface pigmentation.

Pigment can be derived from diet, tobacco, tea colored material, pigment long in the tooth surface can calm surface of the teeth yellow-green or brown. Another tooth enamel discoloration. Enamel dark yellow or brown patches, called plaques enamel teeth (also known as dental fluorosis). The incidence of tooth enamel plaque was mainly due to excessive fluoride in drinking water during embryonic development result in tooth enamel hypoplasia, food coloring is easy to penetrate, the passage of time that was brown.