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18b TMJ

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Temporomandibular Disorders<br />

• Temporomandibular joints<br />

– Disc displacement without reduction (Closed<br />

lock)<br />

• Symptoms<br />

– History of clicking or popping noise in <strong>TMJ</strong><br />

– Limited mandibular range of motion<br />

•Signs<br />

– No <strong>TMJ</strong> sounds<br />

– Restriction in active vertical mandibular range motion and<br />

laterotrusion<br />

– May have deflection in active vertical mandibular range of<br />

motion and/or in protrusion

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