It is not recommended to operate your own fillings, fillings are treated by filling, you need to go to a regular hospital and receive treatment from a professional dentist, your own operation may lead to infection, trauma and other adverse effects. 1. Infection: formal filling treatment needs to be carried out in aseptic conditions, when you fill the teeth can not guarantee aseptic operation, so that the instruments and bacteria in the environment may enter the wound, resulting in cross-infection. 2. Trauma: formal filling treatment requires the use of professional instruments, under the operation of a professional dentist for treatment, when not professionally trained to fill the teeth, can not complete the formal and correct operation, there may be oral occlusal trauma or penetration of the pulp and other undesirable phenomena. If you need to fill a tooth, do not operate on your own, it is recommended to go to the hospital in time, under the help of a professional doctor for treatment.