Many people will have adverse reactions such as bleeding after finishing porcelain teeth, which is a symptom of porcelain teeth failure. What if porcelain teeth fail? Dental experts pointed out that the failure symptoms of porcelain teeth mainly include: porcelain teeth fall off, bad chewing, poor color, unsatisfactory shape, gingival coloring, bleeding, black lines on teeth, porcelain collapse, broken with teeth, gingival periodontal disease and so on. If there are porcelain teeth with the above symptoms, it is recommended to go to a regular hospital for examination and treatment in time. Tooth problems caused by the failure of porcelain restoration in orthodontic treatment of Meiguan. At present, beauty crown is a very effective and lasting dental restoration method in the world, which can repair blue edges, irregular dentition, crevices, tetracycline teeth, dental fluorosis, deformed teeth, discolored teeth, all kinds of tooth defects, missing teeth with porcelain failure and so on, so that dental patients can get their wishes. Director Wu of Wuxi Ruili Dental Center introduced that the beauty crown has the following advantages: 1, and the color effect is realistic. Every tooth of bionic beauty crown is customized by CAD/CAM. When it comes into contact with air, water or any other electrolyte, it will quickly form a micro-oxidation film, which can effectively avoid corrosion. The aesthetic degree is decades, and the level and color are closest to the real teeth. 2. Safety. The thermal conductivity of bionic crown is extremely low, only one seventeenth of that of gold, which is more conducive to protecting dental pulp, and its weight is only one quarter of that of gold, making it more comfortable for patients to wear. 3, the tooth beauty effect is good. This technology has more than ten colors to choose from, and the colors are stable, which can provide beautiful, natural and active restoration effects, and can be selected according to each patient's own situation and needs to achieve the best effect of personalized dental care.