Objetive To investigate the effect of elastic pivot stable biteplate on treating irredueible temporal bone displacement of the temporomandibular joint. Methods Twenty-eight cases of irredueible temporal bone displacement of the temporomandibular joint treated with the elasticpivot stable biteplate from 2000 to 2004 were summarized. The ages of the patients ranged from 15 to 58 yeras includding 11 men and 17 women.Results All the patients were treated for 1 month and followed up for 3 to 6 months. The effective rate was 87.51%. The patients who had shorter course of diseases obtained better effect than the patients who had longer courses of diseases. Conclusion Elastic pivot stable biteplate is an effective alternative for treating irredueible temporal bone displacement of the temporomandibular joint and it exerts better effect on the patients that have short courses of diseases.