Having white and straight teeth will not only help your health, but also give you confidence. In the current clinical situation, if a tooth is broken, it can be restored by porcelain technology, orthodontics, laser whitening technology and dental implant technology. 1, porcelain dental technology: is currently on the more widely used, and is a permanent restoration method. This method is to make a good porcelain tooth set bonded to the real teeth. Before bonding, the real teeth should be resharpened to achieve a comfortable and strong role. Clinically, according to the different needs of the patient, the color of the teeth can also be changed, which can make the overall image more natural and realistic. 2, orthodontic technology: this technology is mainly to correct the misalignment of teeth, upper and lower teeth bite disorder, etc., usually using this technology takes a year to a year and a half, for adults the time will be longer. 3.Laser whitening technology: This method is used to repair the symptoms of yellowing and darkening of teeth. And it is very widely used, usually need to do whitening once every three to five years. Usually, you can also perform ordinary teeth cleaning methods to help remove some substances on the surface of the teeth to achieve the whitening effect 4, dental implant technology: this method is used to fill the phenomenon of missing teeth in patients. However, dental implants require regular maintenance. When there are problems with the teeth, it is recommended to take different treatment methods according to their symptoms.