Porcelain teeth are a common method of dental restoration. When good porcelain teeth are used normally, there is usually no problem, but there are some people who have the phenomenon of odor. After doing porcelain teeth for incisors, there are several reasons for the odor: 1, after doing porcelain teeth, the odor may be the caries is not cleared, after installing porcelain teeth, due to the porcelain teeth cover is not easy to find, the caries continues to develop, resulting in porcelain teeth inside the abutment teeth necrosis rotten, the odor. 2.After making porcelain teeth, do not pay attention to oral hygiene. After installing porcelain teeth, the cleaning of porcelain teeth is not in place, resulting in bacterial growth between porcelain teeth and neighboring teeth, and the long-term accumulation of bacteria will lead to tooth decay, resulting in bad odor. 3, with the doctor’s operating techniques. Porcelain dental restoration on the doctor’s high requirements, if the doctor deviates in the process of operation, will lead to the emergence of inflammation after installation, repeated inflammation, is likely to cause odor. 4, and porcelain dental quality related. Porcelain teeth when the material is poor, there will be a chemical reaction in the process of use, the odor. In short, incisor porcelain teeth odor should be promptly to the hospital for examination and timely treatment.