同济大学：《口腔生理学》课程电子教案（PPT教学课件）下颌运动 Mandible movement

Oral physiology Mandible Movement ZHANG LEI School of Dentistry,Tongji University 1907 G11

Oral physiology Mandible Movement ZHANG LEI School of Dentistry, Tongji University

Oral functions Mastication Swallowing Speech mandible movement Sucking Respiration Sensation 4907

Oral functions Mastication Swallowing Speech Sucking Respiration Sensation … mandible movement

mandible movement Nervous system Muscles TMJ Occlusion 190> mandible movement

mandible movement Muscles Nervous system TMJ Occlusion mandible movement

Factors affect mandible movement 1.Bilateral TMJ 2.Occlusion 3.Nervous system and muscles 190> G

Factors affect mandible movement 1.Bilateral TMJ 2.Occlusion 3.Nervous system and muscles

Factors affect mandible movement 1.TMJ Temporal bone articulating surface Superior cavity Articular surface Avascular part of of condyle meniscus Synovial membrane Synovial membrane Lateral pterygoid muscle: Superior head Posterior Inferior head capsule UNIV

Factors affect mandible movement 1.TMJ

Factors affect mandible movement Condyle Aaa0山

Factors affect mandible movement Condyle

Factors affect mandible movement 翼外肌 M.pterygoideus lateralis Ligaments 关节童 Capsula articularis 外侧韧带 Lig.laterale 基突下额韧带 Lig.stylomandibulare 02

Factors affect mandible movement Ligaments

Factors affect mandible movement 1.Jaw closing reflex 2.Jaw opening reflex 3.Jaw unloading reflex 4.Horizontal jaw reflex 5.Stretch reflex 4907 © G

Factors affect mandible movement 1. Jaw closing reflex 2. Jaw opening reflex 3. Jaw unloading reflex 4. Horizontal jaw reflex 5. Stretch reflex

Factors affect mandible movement Occlusion Nervous-muscular response TMJ 190> 悠

Factors affect mandible movement Occlusion Nervous-muscular response TMJ

Ranges of mandible movement Border movements: Maximum movements in all directions Represented in the orbit of incisal point 4907 G

Border movements: Maximum movements in all directions Represented in the orbit of incisal point Ranges of mandible movement