Inferior Alveolar Nerve Block: Techniques & Landmarks
Learn inferior alveolar nerve block techniques, including anatomical landmarks, step-by-step procedure, and tips for achieving effective anesthesia.
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Inferior alveolar nerve block is a commonly used mandibular anesthesia technique in dentistry. Multiple approaches are described to improve success and reduce complications.
Common IANB Techniques
Conventional (Halstead) Technique – Injection near the mandibular foramen; standard method for mandibular teeth anesthesia.
Gow-Gates Technique – Targets the mandibular nerve trunk; provides higher success and broader anesthesia (IAN, lingual, mylohyoid, auriculotemporal).
Vazirani–Akinosi (Closed-Mouth) Technique – Useful in patients with trismus or limited mouth opening; needle advanced parallel to maxillary occlusal plane.
