Temporomandibular disorders represent a significant percentage of craniofacial disorders. Mainly they can be caused by abnormal occlusion, which has a important impact on the whole stomatognathic system. This is a difficult issue both in terms of diagnosis and treatment, which is an impulse to discussion of many researchers and clinicians. The aim of this study was to assess the impact of the presence of malocclusions, orthodontic treatment and occlusion disorders on temporomandibular joints dysfunctions based on the literature of the past 20 years. It is not possible to determine which malocclusions have a direct impact on the temporomandibular joint disorder, because results of examinations carried out so far, are ambiguous. It is also difficult to assess the impact of the orthodontic and orthognathic treatment on the temporomandibular joints. The problem described is noteworthy due to the complex etiology of these diseases and requires an interdisciplinary approach and the cooperation of many specialists

Key words: temporomandibular joint, malocclusion, occlusion, temporomandibular disorders.