Functional states of mandibular movements and synovial pumps of the temporomandibular joint. Is it possible to provide a biomechanically correct replacement for the TMJ?

• Published in: Annals of anatomy 2012-03, Vol.194 (2), p.200-207
• Main Authors: Kubein-Meesenburg, D., Nägerl, H., Fialka-Fricke, J., Hahn, W., Weber, S., Ihlow, D., Hönig, J., Hansen, C., Fanghänel, J., Thieme, K.M.
• Format: Article
• Language: English
• Subjects: Biomechanical Phenomena; Humans; Mandible - physiology; Mandibular Condyle - physiology; Mandibular movement; Movement - physiology; Pump system; Reconstructive Surgical Procedures; Skull - anatomy & histology; Skull - physiology; Synovial fluid; Synovial Fluid - physiology; Temporomandibular joint; Temporomandibular Joint - anatomy & histology; Temporomandibular Joint - physiology; Temporomandibular Joint Disc; Temporomandibular Joint Disorders - physiopathology; TMJ replacement
• ISSN: 0940-9602; 1618-0402
• DOI: 10.1016/j.aanat.2011.10.004

Due to its complexity, there is currently an incomplete understanding of temporomandibular joint (TMJ) function, especially in relation to the morphological interplay of the condyle and the disc as well as the disc, the Os temporale and the lateral pterygoid muscle. This also holds true for synovial flow and synovial pumps, the existence of which we postulate and for which we present a theory of their mechanism. In view of the complexity of mandibular movements and the morphology and function of the TMJ, we need to know how precisely a reconstruction of the TMJ, if necessary, must be adapted to nature. An analysis of the morphology of the functional states of the mandible, as well as the synovial pump system, should at least provide a basis for moulding reconstructions.