TMJ Overview Quiz

Where is the condylar head located in relation to the ear tragus?

• Anterior

• Inferior

• Posterior

• Superior

Which muscle is attached from the zygomatic arch to the angle of the mandible?

• Medial Pterygoid Muscle

• Masseter Muscle

• Temporalis Muscle

• Lateral Pterygoid Muscle

How can you palpate the Zygomatic arch?

• Put hand on cheeks

• Palpate from zygoma towards temporalis bone

• Apply pressure on it

• Ask patient to clench his teeth

What is the normal range for Mouth Opening in a Range of Motion Assessment?

• 25:40 mm

• 8:11 mm

• 6:8 mm

• 3:4 mm

Which test involves putting tongue depressors between molars at the affected side?

• Posterior TMJ Compression Test

• Separation-Clench Test

• Preload Test

• Joint Compression Test

Where is the Temporalis Muscle originated from?

• Temporal Bone

• Coronoid Process

• Zygomatic Arch

• Mandible

How can you differentiate atherogenic pain from myogenic pain in the Separation-Clench Test?

• Pain indicating TMJ dysfunction

• Relief of pain

• Pain increased

• Loading in contralateral side

What is the indication of the Posterior TMJ Compression Test?

• Relief pain

• Pain indicating atherogenic or discogenic pain

• Pain indicating TMJ dysfunction

• Loading in contralateral side

How can you palpate the Medial Pterygoid Muscle extra-orally?

• Ask patient to open his mouth

• Put lateral aspect of index below mandible

• Put hand on temporal bone

• Put hand between zygomatic arch & angle of mandible

What is the normal range for Lateral Deviation in a Range of Motion Assessment?

• 6:8 mm

• 8:11 mm

• 3:4 mm

• 25:40 mm