Myofascial Pain Dysfunction (MPD)

Question 1

Define myofascial pain dysfunction

Answer 1

non-articular TMJ disorder that is dull regional masticatory myalgia that worsens with function and can lead to decreased range of motion
most common TMJ disorder

Question 2

4 etiologies of myofascial pain dysfunction

Answer 2

-parafunctional habits (bruxisim,nail biting,clenching,gum, chewing)
-life stressors
-apertognathia and/or overjet > 6 mm
-lack of posterior dentition leading to muscle hyperactivity

Question 3

Patients w myofascial pain dysfunction complain of

Answer 3

pain on side of face
pain is diffuse and involves muscles of mastication

Question 4

DDX myofascial pain dysfunction

Answer 4

Trigeminal neuralgia
Atypical facial pain
fibromyalgia

Question 5

10 Treatments of myofascial pain

Answer 5

-NSAIDS to reduce pain and inflammation
-occlusal appliance
-soft diet
-muscle relaxants
-warm compress
-occlusal equilibration
-trigger point injections
-botox intramuscular injections
-replacing posterior dentition
-physical therapy

Question 6

NSAID dosage for tx of myofascial pain
-ibuprofen
-naproxen
-mobic

Answer 6

-ibuprofen 600 mg QID x 2 weeks
-Naproxen 500 mg BID x 2 weeks
-Mobic 7.5-15 mg daily x 2 weeks

Question 7

muscle relaxant dosages for tx of myofascial pain
-cyclobenzaprine
-baclofen
why do we prescribe them as QHS?

Answer 7

-cyclobenzaprine 5-10 mg daily QHS
-baclofen 5-10 mg TID
concern for dizziness/sedation