Temporomandibular disorders: current concepts of epidemiology, classification, and treatment

Temporomandibular disorders (TMDs) are among the most controversial disorders in dentistry. Despite the publication of numerous theories, the origin of most TMDs is either unknown or is described as multifactorial. This article reviews the contribution of epidemiology to the understanding of TMDs, describes a classification system that emphasizes uniform criteria for diagnosis, and discusses current therapeutic considerations.