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102500
Mastication
Description
bacalaureat Oral Physiology Mind Map on Mastication, created by Caroline Oxford on 22/05/2013.
No tags specified
oral physiology
oral physiology
bacalaureat
Mind Map by
Caroline Oxford
, updated more than 1 year ago
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Created by
Caroline Oxford
over 11 years ago
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Resource summary
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
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