Need. Stomatologists need to strictly abide by the guiding principles and norms of clinical application of antibacterial drugs and use antibacterial drugs reasonably in their practice. In order to improve the clinical application level of antibiotics for dentists and ensure the safety and health of patients, the relevant departments of the state organized the training and examination of clinical application of antibiotics, and issued the certificate of training of antibiotics. Only dentists who have been trained and obtained qualification certificates can be allowed to engage in the clinical application of antibacterial drugs.