TEMPOROMANDIBULAR JOINT MUSCLES OF MASTICATION DEPARTMENT OF HUMAN

TEMPOROMANDIBULAR JOINT & MUSCLES OF MASTICATION DEPARTMENT OF HUMAN ANTOMY – MUCOM 2019

Objectives 2 Ø Describe the anatomical features of the mandible Ø Know type, articulation, ligaments and movements of TMJ Ø Learn the mechanism and consequences of TMJ dislocation Ø Demonstrate the ability to list the names of muscles of mastication and their origin, insertion, action and nerve supply Department of Human Anatomy - MUCOM 2019 25 February 2021

Mandible Bone of the lower Jaw Consist of Body and two rami 3 Each ramus has coronoid process & condylar process Each condylar process has head and neck Department of Human Anatomy - MUCOM 2019 25 February 2021

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TMJ Ø TMJ = Temporo. Mandibular Joint Ø Synovial joint Ø Articulation between the head of the mandible and 7 the articular fossa and articular tubercle of the temporal bone Ø has fibrocartilage (articular disc); Ø 2 compartments Department of Human Anatomy - MUCOM 2019 25 February 2021