TMJ Overview Quiz

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

• Inferior

• Anterior

• Posterior

• Superior

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

• Lateral Pterygoid Muscle

• Medial Pterygoid Muscle

• Masseter Muscle

• Temporalis Muscle

How is the Temporalis Muscle palpated intraorally?

• Put thumb posterior to masseter muscle

• Put little finger between upper molars

• Ask patient to open mouth

• Put hand between zygomatic arch & angle of mandible

What is the normal range for lateral deviation of the mandible?

• 2:5 mm

• 8:11 mm

• 15:20 mm

• 5:8 mm

What is the maneuver for the Joint Compression Test?

• Put tongue depressors between molars

• Push thumbs on TMJ inwards

• Put cotton pad between molars

• Put index inside external auditory meatus

How is the Lateral Pterygoid Muscle palpated?

• Put hand on temporal bone

• Put little finger between upper molars & cheeks

• Put thumb intraorally posterior to masseter muscle

• Put lateral aspect of index below mandible

What is the normal range for protrusion of the mandible?

• 10:12 mm

• 3:4 mm

• 6:8 mm

• 1:3 mm

What is the Preload Test used for?

• To assess range of motion

• To assess mouth opening

• To measure lateral deviation

• To differentiate atherogenic or muscular pain

Where is the Coronoid process located in relation to the zygomatic arch?

• Anterior

• Posterior

• Superior

• Inferior

What is the maneuver for the Separation-Clench Test?

• Put tongue depressors between molars

• Put cotton pad between molars

• Put index inside external auditory meatus

• Put cotton pad between molars of affected side