牙齿泛黄主要是因为污染牙齿表面的釉质而造成的。咖啡、红茶、乌龙茶、红酒等本身颜色较重的饮品是最容易污染牙釉质的食品。此外，调味汁、酱油、番茄酱等调味品以及咖喱、巧克力这种颜色深的食物也同样属于易染色...
teeth pan yellowed teeth do teeth whitening yellow is mainly due to the pollution of the surface of the tooth enamel. Coffee, black tea, oolong tea, red wine and so on their own color is the most easy to pollute the food of the enamel. In addition, sauces, soy sauce, tomato sauce and other seasonings, as well as curry, chocolate, such a deep color of food is also easy to dye...
