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TMJ reference: chapter 14 of Mitchell OMS textbook, cos AL didn't…

- - - - ends of bones are encased in smooth cartilage
    - - md condyle articulates w base of skull
        
        @ glenoid fossa & articular eminence
      - interposed between the 2 is the articular joint/meniscus
        
        fx is to contribute to smooth action of joint
  - - - there is some info on freq of TMD
    - - opening
        
        initial mouth opening (up to 1cm)
        
        hinge-movement
        
        remainder (and majority)
        
        translation/bodily shift of condyle as it moves down the articular eminence
      - closing
        
        reverse of opening
      - side-side
        
        mixture of rotation of each condyle through a vertical axis and a minor degree of lateral shift