Abstract: ObjectiveTo observe the effect of Ornidazol on acute pericoronitis of wisdom tooth (PWT).Methods125 patients with PWT were randomly divided into the experiment group (63 cases, treated with Ornidazol) and control group (62 cases, treated with Metronidazole). The curative effect was observed when teeth extracted.ResultsThe effective rate of the experiment group was 95.2%, that of control group was 82.2%. There was a significant difference between two groups (P<0.05).ConclusionOrnidazol has an obvious effect on acute PWT.

Key words: Ornidazol, Metronidazole, pericoronitis of wisdom tooth (PWT)