1. Nerves Areas Anesthetized Landmarks Area of Insertion Target Area Needle
Anesthetized
MANDIBULAR -Inferior alveolar -Mandibular teeth to midline -Pterygomandibular raphe -Mucous membrane on the Inferior Alveolar 25
BLOCK nerve -Body of the mandible -Anterior border of ramus medial side of the mandibular Nerve gauge,
(CLASSICAL -Incisive nerve -Buccal mucoperiosteum, -External oblique line ramus, at the intersection of 2 long
INFERIOR -Mental nerve mucous membrane anterior -Internal oblique line lines:
st
ALVEOLAR -Lingual nerve to mandibular 1 molar -Coronoid notch a. Horizontal (Height of injection)
NERVE BLOCK) -Long buccal nerve -Anterior 2/3 of tongue -Occlusal plane of b. Vertical (Anteroposterior plane
-Lingual soft tissues & mandibular teeth of injection)
periosteum
CLOSED MOUTH -Occlusal plane of occluding Soft tissue overlying the medial Soft tissue on the 25
APPROACH/VAZI teeth border of the mandibular ramus medial border of the gauge,
RANI-AKINOSI -Mucogingival junction of directly adjacent to the maxillary ramus in the region long
maxillary molar teeth tuberosity at the height of the of the inferior
-Anterior border of ramus mucogingival junction adjacent to alveolar, lingual,
rd
the maxillary 3 molar. mylohyoid nerve
GOW-GATES -Nerves -Areas anesthetized by IANB A. External Mucous membrane on the mesial Lateral side of the
TECHNIQUE anesthetized by -Skin over zygoma -Lower border of tragus of of the mandibular ramus on a line condylar neck, just
IANB -Posterior portion of cheek ear from the intertragic notch to the below the insertion
-Mylohyoid nerve -Temporal region -Corner of mouth corner of the mouth, just distal to of the lateral
nd
-Auriculotemporal -Portion of external ear B. Internal maxillary 2 molar pterygoid muscle
nerves -Anterior border of ramus
-Mesiolingual cusp of
nd
maxillary 2 molar
BUCCINATOR Long buccal nerve Soft tissue & periosteum -Mandibular molars Mucous membrane distal and 25
(LONG BUCCAL) buccal to the mandibular -Mucobuccal fold buccal to the most distal molar gauge,
NERVE BLOCK molar teeth tooth in the arch short
LINGUAL NERVE Lingual nerve -Anterior 2/3 of tongue
BLOCK -Floor of oral cavity
-Mucosa & mucoperiosteum
on lingual side of mandible
MENTAL NERVE Mental nerve -Buccal mucous membrane -Mucobuccal fold Mucobuccal fold at or just Mental nerve as it 25
BLOCK anterior to mental foramen -Mandibular premolars anterior to mental foramen exits the mental gauge,
-Lower lip foramen short
-Skin of chin