Additional material needed includes: Procedural sedation supplies: Injectable diazepam or midazolam and an opioid such as fentanyl; equipment for peripheral venous catheterization Injectable local anesthesia supplies: Lidocaine 2% without epinephrine; 27-gauge, 2-cm long needle; 3-mL syringe, topical antiseptic (eg, chlorhexidine, povidone iodine) Additional Considerations Do TMJ reduction promptly.