RÉSUMÉ
Objective:To evaluate the prophylactic application of antibiotics in oral and maxillofacial surgery and to provide a scientific basis for its reasonable use .Methods: The use of prophylactic antibiotics in the oral and maxillofacial surgery was conducted in our hospital from January 2011 to August 2013 based on a retrospective survey , and the conditions and affecting factors were analyzed .Results:The utilization rates of prophylactic antibiotics were respectively 98.9%, 61.8%, and 24.6%, showing a downward trend .But the infection rate of surgical site did not significantly increase , and by Fisher ’ s exact test, the difference was not significant (P>0.05).Surgical site infections (SSI) rates did not rise between using and not using prophylactic antibiotics ( P>0 .05 ) .Conclusion: The use of prophylactic antibiotics is greatly influenced by the policy , and along with the decline in antibiotic usage , SSI have not increased significantly .