医学资料-颞下颌关节紊乱病.ppt

颞下颌关节紊乱病 附二口腔科 解剖与生理功能 解剖与生理功能 Anatomy and Physiological Functions Anatomy and Physiological Functions Anatomy and Physiological Functions 颞下颌关节紊乱病Tempoaomandibular Disorder ( TMD )  颞下颌关节紊乱病( TMD ) 颞下颌关节紊乱病( TMD ) 颞下颌关节紊乱病( TMD ) 颞下颌关节紊乱病( TMD ) 颞下颌关节脱位Dislocation of the TMJ Dislocation of the TMJ Dislocation of the TMJ 陈旧性脱位 颞下颌关节强直Ankylosis of the TMJ Ankylosis of the TMJ Ankylosis of the TMJ Ankylosis of the TMJ Ankylosis of TMJ Categories : (A) internal ankylosis ( true ankylosis ) (B) external ankylosis ( false ankylosis or intermaxillary contraction ) (C) mixed ankylosis B. Etiology : infection : any of the suppurative conditions of the joint. traumatism : scar : C.临床表现 Manifestation : (A) 关节内强直True ankylosis : 1. 开口受限 2. 下颌发育障碍: 小下颌 3. 咬合紊乱Occlusal disturbance; 4. 髁突动度减少. 关节结构受损. * * 解剖: (A) 关节窝与关节结节 (B) 关节头 (C) 关节盘 (D) 关节囊 (E) 韧带: temporomandibular L, sphenommandibular L, pterygomandibular L, stylomandibular L B. 下颌运动 开口和闭口运动: 1. 开口运动: 由二腹肌 , 舌骨舌肌和颏舌骨肌收缩完成。 B. Movement of the mandible Jaw opening and closing movement: 2. 闭口运动: 由咬肌 , 颞肌和翼内肌收缩完成. B. Movement of the mandible: (B) 前伸和后退运动: 1. 前伸运动: 由翼外肌完成 2. 后退运动: 由颞肌后束和二腹肌前腹完成. B. Movement of the mandible: (C) 侧方运动: 1. 从正中到一侧: 由对侧的翼外肌收缩完成. 2. 从一侧到正中: 由对侧的颞肌收缩完成. 以前叫颞下颌关节紊乱综合征 . 1999年改为颞下颌关节紊乱病. It is the general name of a group diseases that includes masticatory muscle disorders , structural disorders ( internal derangement ), inflammatory disorders and osteoarthrosis. 病理: (A) 精神因素 (B) 咬合因素 (C) 免疫因素 (D) 关节过负荷 (E) 解剖因素 (F) 其他: 外伤 , 冷刺激 , etc. B. 临床表现: (A) 下颌运动紊乱: 开口度和开口型改变 (B) 疼痛 (C) 弹响和杂音 C. 诊断: 病史 , 临床检查 , X-线 检查. 鉴别诊断: tumor , tetanus , hysterical trismus , etc. D. 治疗: 尽量保守治疗. 侵入性的治疗不常用. The treatments include treatment guiding , Chinese medicine , hot or cold compress , physicotherapy, medicine therapy , occlusal pad , block therapy , arthroscope treatment , operation , et