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18b TMJ

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Temporomandibular Disorders<br />

• Muscles of Mastication<br />

–Myalgia<br />

• Symptoms<br />

– Pain in localized area of one masticatory muscle<br />

(usually masseter or temporalis)<br />

– Fatigue with chewing<br />

•Signs<br />

– Tender muscles upon palpation<br />

– Sometimes limited active vertical range of mandibular<br />

motion

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