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( ) : 07-3121101~2755 yukkwa@kmu.edu.tw Diseases affecting TMJ Slide 2 Understanding: 1. Vocabulary 2. Anatomy of TMJ 3. Normal joint function 4. Temporomandibular disorders 5. Patient evaluation 6. Examination 7. Imaging 8. Main pathological conditions affecting TMJ Slide 3 1.Oral Pathology for the Dental Hygienist. Olga AC Ibsen, Joan Anderson Phelan, 4th edition, 2004, Chapter 10, p. 356-364 2.Eric Whaites: Essentials of dental radiography & radiology 3rd edition, Chapter 29, p. 371-388 3. super_toolcool References: Slide 4 Diseases Affecting the Temporomandibular Joint Ref. 1 Slide 5 Diseases Affecting the Temporomandibular Joint Ref. 1 Slide 6 Diseases Affecting the Temporomandibular Joint Ref. 1 Slide 7 Diseases Affecting the Temporomandibular Joint Ref. 1 Slide 8 Slide 9 Slide 10 Slide 11 Slide 12 Slide 13 Slide 14 Slide 15 Condyle head Disc/meniscus Glenoid fossa Lateral pterygoid attachment Upper joint space Lower joint space Ext auditory meatus Ref. 2 Slide 16 LateralAnterior Base Ref. 2 Slide 17 Ref. 1 Slide 18 Slide 19 mandible Ref. 1 Slide 20 Slide 21 Slide 22 Slide 23 Slide 24 Refs. 1, 3 Slide 25 Rest position Mouth closed Refs. 1, 2 Slide 26 Rotary and translatory movements of condyle during normal mouth opening Rest position Mouth closed Primary rotation Mouth opened Translation Mouth opened initially Mouth opened widely Secondary rotation 1 2 34 Ref. 2 Slide 27 Ref. 1 Slide 28 Slide 29 Slide 30 Slide 31 Slide 32 Slide 33 Slide 34 Slide 35 Slide 36 Slide 37 Slide 38 Slide 39 Conventional radiographic projections Other techniques and investigations Imaging Ref. 2 Slide 40 Summary of different parts of TMJ shown by the conventional projections Ref. 2 Slide 41 Main pathological conditions affecting the TMJ Main pathological conditions affecting the TMJ TMJ pain dysfunction syndrome Internal derangements Osteoarthritis Juvenile rheumatoid arthritis (Stills disease) Ankylosis Tumors Fractures Developmental anomalies Slide 42 Summarie s Knowing: 1.Anatomy (glenoid fossa, disk, condyle, capsule, superior belly of lateral pterygoid muscle 2.Function of muscles of mastication 3.Three factors implicated in TMD 4.Two symptoms suggestive of TMD 5.Imaging methods for TMD 6.Main pathological conditions affecting TMJ