It conveys sensory information from the skin of the cheek, and parts of the oral mucosa, periodontium, and gingiva.

[1] It connects with the buccal branches of the facial nerve on the surface of the buccinator muscle.

[1] Buccal nerve block (long buccal nerve block) is indicated for procedures involving the mucosa adjacent to the posterior molar teeth, such as the placement of a rubber dam clamp.

The injection site is distal and buccal to the third molar, with the needle penetrating 1-2mm as the nerve lies directly below the mucosa.

The buccal nerve may be damaged by surgical incisions near the external oblique ridge of the mandible.