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