Before revision: However, the long buccal nerve is not anesthetized by an IANB and therefore an area of buccal gingiva (gums on the cheek side) of the lower posterior teeth will retain normal sensation unless that nerve is also anesthetized , via a long buccal nerve block.
After revision: However, the long buccal nerve is not anesthetized by an IANB and therefore an area of buccal gingiva adjacent to the lower posterior teeth will retain normal sensation unless that nerve is anesthetized separatelydepending on technique,reliably , via a long buccal nerve block.