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TMJ Anatomy

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TMJ Anatomy

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Presentation Transcript

    1. TMJ Anatomy Bony Structures Ligaments

    2. Basic Structures of the Temporomandibular Joint

    3. Ligaments Supporting the TMJ and the Mandible

    5. The Temporomandibular Disc Fibrous connective tissue Interface between bones, somewhat pliable Bi-concave shape Collateral ligaments No Innervation No Vascularization

    6. Sagittal View of Normal TMJ

    7. Normal TMJ Anatomy

    8. Bony Structures of the TMJ Sagittal & Inferior Views

    9. Anterior View of TMJ

    10. Articular Surface of the Condyle

    11. V-Shaped Fossa Producing Mandibular Movement

    12. Sagittal View – Articular Disc & Fossa

    13. Articular Disc Position Determined by Elastic Tissues

    14. Collateral Ligament Placement Articular Disc Position

    15. Capsular Ligament

    16. Two Accessory Ligaments: Stylomandibular & Sphenomandibular Ligaments

    17. Sagittal View – Temporomandibular Ligament Rotational Movement Limits Posterior Movement Limits

    18. Limitation of Movement with TM Ligament

    19. Involvement of TM Ligament During Opening Movement

    20. Inner Horizontal Fibers of the TM Ligament

    21. TMJ Structures - Sagittal View

    22. TMJ Anatomy

    23. TMJ Anatomy

    24. The End

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