TMJ TEST #2

Question 1

What type of joint is the TMJ?

Answer 1

-Diarthrodial Atypical Synovial joint

Question 2

What are some occlusal stresses to the TMJ?

Answer 2

• Class II division 2
• Open Bite
• Prematurities natural or iatrogenic (most common)

Question 3

Besides occlusal problems what might cause stresses to the TMJ?

Answer 3

• Procedures
• Missing teeth
• Macro and micro trauma
• Psychological, social, medical, genetic
• Fibromyalgia

Question 4

What medications can promote parafunctional habits?

Answer 4

-Anti-depressants

Question 5

What are the symptoms Muscle-ligamentous?

Answer 5

• Headache
• Tightness to jaw
• Ear pain
• Tender enlarged muscles
• Minimal noise

Question 6

Neck vs Jaw, in muscle ligamentous, what is the dividing line?

Answer 6

-In front of ear canal dividing line

Question 7

If it is in front of the ear in muscle ligamentous what are the most likely problems?

Answer 7

-Jaw problems

Question 8

What is an acute internal derangement?

Answer 8

• Some event
• Jaw may be pushed to the side
• Minimal to mild noise
• Joint may be very tender

Question 9

What is the treatment for acute internal derangement?

Answer 9

• Meds
• Splint
• Steroid oral or injection
• Physical therapy

Question 10

What is episodic internal derangements?

Answer 10

• Occurs every 3-9 months
• Mild to moderate noise
• Some joint tenderness

Question 11

What is the treatment for episodic internal derangements?

Answer 11

• Meds
• Splint
• Steroid
• Physical therapy
• Educations

Question 12

What is chronic internal derangements?

Answer 12

• Longer than 4-6 months

- Varying joint pain and noise

Question 13

What is the treatment for chronic internal derangements?

Answer 13

• Meds
• SPlint
• Steroids
• Physical therapy
• Education
• Surgery

Question 14

What is closed lock internal derangement?

Answer 14

• May be acute or chronic
• Limited opening
• Deviation on opening common
• May be very painful

Question 15

What is the treatment for closed lock internal derangement?

Answer 15

• Arthrocentesis
• Meds
• Splint
• Physical therapy
• Surgery

Question 16

What do you see with Rheumatoid and variant TMJ arthritis?

Answer 16

• Develop intra-articular pannus formations

- Bone loss

Question 17

What do you see with osteoarthritis TMJ arthritis?

Answer 17

• Occurs in middle to late yrs
• May have mild to substantial bony changes, bone spurs, sub condylar cyst formation
• Bone on bone fibrillar sounds

Question 18

What is the treatment for TMJ osteoarthritis?

Answer 18

• Bite splint
• Meds
• Arthrocentesis
• Steroid
• Physical therapy
• Reconstructive occasional prosthesis

Question 19

What is fibrous TMJ ankylosis?

Answer 19

-Some movement usually greater than 10-15 mm

Question 20

What is the treatment of fibrous TMJ ankylosis?

Answer 20

• Steroid injection
• Physical therapy
• manipulation under anesthesia
• Surgery-arthroscopy

Question 21

What is bony TMJ ankylosis?

Answer 21

• No movement
• Often less than 5-10mm
• Usually trauma induced
• Post fracture most common

Question 22

What is the treatment for bony TMJ ankylosis?

Answer 22

• Surgery
• Muscle flap
• Rib
• Silastic sheeting or block

Question 23

What is your primary treatment for TMD?

Answer 23

-Physical therapy

Question 24

T/F TMJ tumors are common

Answer 24

False

-Uncommon

Question 25

What are some TMJ tumors?

Answer 25

• Osteo-chondroma (1)
• Osteoma (2)
• Chondroma (3)

Question 26

T/F Malignancy is common in TMJ tumors

Answer 26

False

-It is rare

Question 27

What is the treatment for TMJ tumors?

Answer 27

-Surgery