Zusammenfassung der Ressource
Mastication
- Able to apply strong forces and yet able to to control fine detail, whistle, speech etc.
- Componants of Mastication
- Dentitions
- Periodontal tissues
- Maxilla/Mandible
- TMJ
- Mandibular muscles
- Muscles of lips/cheek/tounge
- soft tissues
- Innervation/Vascultaion
- Muscles of Mastication
- Temprolalis
- O-Temporal
- I-corinoid process
- Elevates, retracts
- Masseter
- O-Zygomatic Arch
- I Angle of Mandible
- Elevation
- Lateral Pterygoid
- O-Lateral surface of Ptyrigoid plate
- I-Capsule of TMJ+Neck of Mandible
- Protrution/side to side
- Medial Pterygoid
- O-Medial surface of Lateral Ptyrigoid
- Medial surface near angle
- Elevation/Side to side
- Non Masticatory muscle
- Digastric
- Mylohoid
- Geniohyoid
- Obicularis Oris
- Development
- Not born with it
- 3 Classes of Movement
- Voluntary
- Speech
- Reflex
- Swallowing
- Cyclical
- Chewing
- Factors determining Mastication
- Teeth
- Bite force
- Neuromuscular control
- Saliva
- Taste/Texture food
- Interplay with tounge and cheek
- Stretch Reflex
- Primary
- Sensitive to minute changes
- Secondary
- Continuos info on muscle length
- Keeps mouth closed/in rest and firm
- 3-8mm apart
- Mechanisims involved
- Muscle spindle receptors
- Sensory Neurons
- Mechanoreceptors
- Must detect hard/soft food