Objective: To study temporomandibular joint function after mandibular fracture. Methods: According to the methods of Helkimo, the questionnaire and clinical examination were administered in 36 cases with mandibular fracture and 32 health controls. Results:There were statistically significant difference between the fracture group and control group in anamnestic dysfunction and clinical dysfunction index(P0.05).Conclusion: People with mandibular fracture have more symptoms and sign of temporomandibular dysfunction in the time ranged.
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