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6 Cards in this Set
- Front
- Back
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Muscles of mastication
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Medial pterygoid
Lateral pterygoid Temporalis Masseter |
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Masseter action
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Elevation of mandible
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Temporalis action
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Elevation of mandible
Retraction of mandible (posterior fibres) |
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Medial pterygoid
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Elevation of mandible
Protraction of mandible |
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Lateral pterygoid
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Depression of mandible
Protraction of mandible |
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Movements of TMJ joint
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Superior compartment: Gliding movements
Inferior compartment: Hinge movements Both compartments contribute to elevation-depression Superior compartment is site of most protraction-retraction, grinding movements |
