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Temporomandibular Joint Diagnostic InjectionAka: TMJ Injection

Indication
1. Orofacial Pain Evaluation
Procedure
1. Landmarks
  1. Inferolateral margin of the mandibular condyle
2. Pitfalls
  1. Superficial temporal artery and vein lie in close proximity
3. Instruments
  1. Syringe with 0.5 cc 1% Lidocaine and 30 gauge 1 inch needle
4. Technique
  1. Prepare area with topical betadine or hibiclens
  2. Insert needle at landmark above and to depth of 1-2 cm below the skin
  3. Aspirate to confirm needle position not within vessel
  4. Deposit 0.5 cc of Lidocaine
Interpretation
1. Relief of pain following injection suggests Temporomandibular Joint Disorder as source of pain

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This page was written by Scott Moses, MD. This page was last revised on 2/20/2008 9:14:08 PM. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.