Abstract: Objective: To investigate the clinical effect of injection of ozone into temporomandibular joint cavity in the treatment of temporomandibular arthritis. Methods: Sixty patients diagnosed as temporomandibular arthritis in our hospital were included from June 2014 to June 2015. The patients were randomly divided into two groups, 30 patients in the treatment group and 30 patients in the control group. Patients in the treatment group were treated with injection of ozone into the temporomandibular joint cavity while patients in the control group were treated with the injection of triamcinolone acetonide into the temporomandibular joint cavity. The curative effects in the two groups were compared. Results: The VAS score and maximum mouth opening showed insignificant difference between two groups. Conclusion: The injection of ozone into the temporomandibular joint cavity is clinically as effective as that of triamcinolone acetonide, meanwhile it showed fewer complications and higher security.

Key words: Ozone, Joint cavity, Arthritis of the temporomandibular joint