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Official Journal of the Italian Society of Maxillofacial Surgery
THE TEMPOROMANDIBULAR JOINT
Cascone P., Di Paolo C., Arangio P., Bianca C., Carducci Artenisio E., Iannetti G.
Department of Dentistry and Maxillofacial Surgery, La Sapienza University, Rome, Italy
The temporomandibular joint (TMJ) is a highly particular and complex anatomical entity in terms of structure and functions. Many authors have given great importance to muscle activation as a determinant of mandibular function since ligaments, tendons, and other soft tissues inside and outside the joint cavity give stability to the joint and maintain the proper alignment of the articulating bone surfaces and soft tissues component, during motion. The authors intended to analyze the biomechanical physiology of TMJ and highlighted that the correct postural and functional relationships between the various components of the joint are controlled by a series of biomechanical restrictions, considering that the main factor determining a correct postural and mandibular movements is not the direction of the applied force but the biomechanical restrictions acting in the TMJ. In this paper the authors analyze the role of each TMJ biomechanical restriction considering that the knowledge of such structures has a great importance for the understanding of the functional dynamics and surgical treatment of the TMJ.