To investigate the occupational exposure and its risk fatctors among the medical staff of stomatological department and, in order to improve the occupational protection and reduce the risk for occupational exposure.

The occupational exposures that occurred in 44 medical staff from Jan 2013 to Dec 2015 were investigated, and the occupation, exposure sources, types of exposures, exposure link were analyzed.

Among the 44 medical staff of oral department with occupational exposure, doctors accounted for 54.5%, nurses 34.1%. There were 39 medical staff with sharps injuries and 3 medical staff with mucous membrane exposure. The major expose reason is cleaning medical instruments or equipment at the end of medical treatment, accounting for 43.2%(19 cases). Needle stick injures in operation is the second major reason, accounting for 34.1% (15 cases). All the subjects with occupational exposures have received appropriate treatment, and the follow-up showed that none of the medical staff were infected due to the occupational exposure.

The major expose reason is cleaning medical instruments or equipment at the end of medical treatment. It is crucial to intensify the training of medical staff of stomatological department in the knowledge of occupational exposure, implement the standard of preventive measures, and standarize the operation procedures so as to reduce the risk of occupational exposure.