Abstract

The purpose of this study was to determine the effect of ibuprofen on the healing and remodeling of bone and cartilage in the temporomandibular joint of the rabbit. Forty-two rabbits were operated on to create a groove and a hole in the articular surface of both the right and left mandibular condyles. Following surgery, the animals were divided into three groups. Group A (12 rabbits) was used as a control and the animals did not receive any medication. Group B (15 rabbits) was given a daily dose of 17 mg/kg of ibuprofen. Group C (15 rabbits) was given a daily dose of 34 mg/kg of ibuprofen. All animals were killed after 4 weeks. The 84 condyles were examined clinically and histologically. Statistical analysis showed a highly significant difference in the healing of bone and cartilage between groups A and C (P less than .01) and a significant difference between groups A and B (P less than .05). The results of this study indicate that ibuprofen has an adverse effect on the healing of bone and cartilage in the temporomandibular joint of the rabbit.

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