Neck and jaw

  1. What are symptoms of TMJ?
    clicking/popping of jaw, HA/migraines, earaches/tinnitus, neck/shoulder pain, pain behind eyes, numbness/tingling of fingers
  2. TMD can be arthrogenous and myogenous. What are causes of TMJ?
    • Bad bite (from mouth breathing from allergies even), thumb sucking when younger.
    • Also grinding/clenching, injury, arthritis, emotional stress,

    • Myogenous: TMD (myofascial pain and dysfunction) Etiology is multifactorial and includes malocclusion, jaw clenching, bruxism, personality disorders, increased pain sensitivity, and stress and
    • anxiety.

    • Arthrogenous TMD: most common: disk displacement. Others: DJD, polyarthritides such as
    • RA, ankylosis, dislocation, infection, neoplasia, and
    • congenital anomalies.
  3. TMJ is now known as what?
    TMD (temporomandibular disorder)
  4. . What population does TMD affect the most?
    • Age: 20-40
    • Sex: 1:4 (male:female)
  5. What is bruxism?
    the habit of grinding the teeth, esp unconsciously
  6. Differentials include?
    Migraines, postherpetic neuralgia, giant cell arteritis,
  7. Labs for TMD?
    • CBC if infection is suspected.
    • Rheumatoid factor (RF), ESR, antinuclear antibody (ANA), for RA, temporal arteritis, or a connective tissue disorder is suspected.
    • Uric acid should be checked for gout. Pseudogout has also been reported in the TMJ. Arthrocentesis is required to demonstrate specific crystals.
  8. What imaging studies for diagnosing TMD?
    • Conventional X-ray = the most utilized imaging study. It is simple, evaluates bony structures, and in most cases is sufficient.
    • CT scans can explore both bony structures and muscular soft tissues
    • MRI = study of choice if an articular or meniscal pathology is suspected and may need endoscopic/ surgery, or in the case of traumatic TMD.
  9. Meds for TMD?
    • NSAIDs for pain.
    • Muscle relaxants (diazepam, methocarbamol, and cyclobenzaprine)
    • Tricyclic antidepressants, in low doses help control pain.
    • Botulinum injections.
Card Set
Neck and jaw
neck and jaw