TMJ TEST #2 Flashcards
What type of joint is the TMJ?
-Diarthrodial Atypical Synovial joint
What are some occlusal stresses to the TMJ?
- Class II division 2
- Open Bite
- Prematurities natural or iatrogenic (most common)
Besides occlusal problems what might cause stresses to the TMJ?
- Procedures
- Missing teeth
- Macro and micro trauma
- Psychological, social, medical, genetic
- Fibromyalgia
What medications can promote parafunctional habits?
-Anti-depressants
What are the symptoms Muscle-ligamentous?
- Headache
- Tightness to jaw
- Ear pain
- Tender enlarged muscles
- Minimal noise
Neck vs Jaw, in muscle ligamentous, what is the dividing line?
-In front of ear canal dividing line
If it is in front of the ear in muscle ligamentous what are the most likely problems?
-Jaw problems
What is an acute internal derangement?
- Some event
- Jaw may be pushed to the side
- Minimal to mild noise
- Joint may be very tender
What is the treatment for acute internal derangement?
- Meds
- Splint
- Steroid oral or injection
- Physical therapy
What is episodic internal derangements?
- Occurs every 3-9 months
- Mild to moderate noise
- Some joint tenderness
What is the treatment for episodic internal derangements?
- Meds
- Splint
- Steroid
- Physical therapy
- Educations
What is chronic internal derangements?
- Longer than 4-6 months
- Varying joint pain and noise
What is the treatment for chronic internal derangements?
- Meds
- SPlint
- Steroids
- Physical therapy
- Education
- Surgery
What is closed lock internal derangement?
- May be acute or chronic
- Limited opening
- Deviation on opening common
- May be very painful
What is the treatment for closed lock internal derangement?
- Arthrocentesis
- Meds
- Splint
- Physical therapy
- Surgery
What do you see with Rheumatoid and variant TMJ arthritis?
- Develop intra-articular pannus formations
- Bone loss
What do you see with osteoarthritis TMJ arthritis?
- Occurs in middle to late yrs
- May have mild to substantial bony changes, bone spurs, sub condylar cyst formation
- Bone on bone fibrillar sounds
What is the treatment for TMJ osteoarthritis?
- Bite splint
- Meds
- Arthrocentesis
- Steroid
- Physical therapy
- Reconstructive occasional prosthesis
What is fibrous TMJ ankylosis?
-Some movement usually greater than 10-15 mm
What is the treatment of fibrous TMJ ankylosis?
- Steroid injection
- Physical therapy
- manipulation under anesthesia
- Surgery-arthroscopy
What is bony TMJ ankylosis?
- No movement
- Often less than 5-10mm
- Usually trauma induced
- Post fracture most common
What is the treatment for bony TMJ ankylosis?
- Surgery
- Muscle flap
- Rib
- Silastic sheeting or block
What is your primary treatment for TMD?
-Physical therapy
T/F TMJ tumors are common
False
-Uncommon
What are some TMJ tumors?
- Osteo-chondroma (1)
- Osteoma (2)
- Chondroma (3)
T/F Malignancy is common in TMJ tumors
False
-It is rare
What is the treatment for TMJ tumors?
-Surgery
