In the 1960s and 1970s, tetracycline was applied without considering the effects on fetal or child dental development, resulting in a group of patients with tetracycline teeth. Tetracycline teeth can cause discoloration of the teeth in the lighter cases, and in the more severe cases, defective teeth and enamel stripping. In the anterior region, it has a greater impact on the aesthetics. The main strategies to deal with it are: i. Bleaching. Bleaching is useful for mild discoloration, and there may be a transient occurrence of tooth sensitivity after bleaching, which will recur after several years. But after all, there is no great damage, the cost is moderate, for light discoloration of tetracycline teeth patients, urgent urgent matters, such as marriage, etc., to quickly change the color of the teeth, you can try. Resin veneer. A resin material is used to fill directly on the outside of the discolored teeth to cover the color of the teeth and adjust the shape in a small amount. This method is very common in the early days, the advantage is no damage, the number of visits, the cost is relatively moderate, the disadvantage is that the color adjustment is limited; teeth will become thicker, need time to adapt; resin will be discolored after several years, wear, need to redo. Third, ceramic veneers. The lip surface of the teeth will be ground off 0.3~0.8mm, and a thin slice of ceramic will be made and attached to the surface of the teeth, somewhat like a false nail. This method is now more common, the advantages are obvious improvement in color and shape, beautiful, lasting color without discoloration, do not move the functional surface of the teeth, does not affect normal eating. The disadvantage is that a small amount of natural teeth have to be removed, the strength of the general, can eat normally, but can not chew things, high melon. Fourth, do porcelain full crown. The front teeth, usually 16, all made of porcelain teeth. This practice is also more common, but in recent years less, because the advantage is the exact color or shape of the improvement effect, strong and not easy to fall off. The disadvantage is that too much of the natural tooth will be worn away, altering the functional surface of the tooth, and chronic inflammation of the pulp may occur later. Patients can make a choice according to their needs, combined with the doctor’s advice, and choose the right improvement solution for them. There is no perfect method, only the one that suits you!