Abstract: PURPOSE: This study aimed to summarize and analyze dental emergence data and compare with the same period from 2017 to the first half of 2020, to provide a basis for improving the quality of dental emergency care and formulating rational allocation. METHODS: A total dental emergency cases from 2017 to the first half of 2020 were collected, statistical analysis was carried out according to patients' sex and age, chief complaints and diagnosis with SPSS 18.0 software package. RESULTS: The top three diseases in 2017 of dental emergency were maxillofacial trauma, facial infection and dental pulp disease. From 2018, most of the specialized patients were treated due to oral craniomaxillofacial injury , maxillofacial infection and tumors. The top three chief complaints for 3 consecutive years were facial swelling, toothache and dental trauma. The difference of emergency data within 4 years was statistically significant. CONCLUSIONS: There are a large number of patients which follow the regular pattern and a wide scope of disease types in dental emergency department. The total amount has a rising trend year by year. After divisions of dental emergency department are established, the patients' treatment is more timely, convenient and targeted, and the quality of medical service has been improving.

Key words: Dental emergency, Numbers of patients, Types of diseases, Triage