Internal derangement is one of the most common disorders of the temporomandibular joint. The position of the mandibular condyle in temporomandibular joint disk displacement has been debated. Many researchers investigate the problem from different angles. This article reviews the general situation of temporomandibular joint internal derangement, the relationship between condyle position and disc displacement and the diagnostic value of condyle position in temporomandibular joint internal derangement.
