The inferior alveolar nerve block (IANB) is the most common anesthetic techniques in dentistry; however, its success rate is low. The purpose of this study was to determine the correlation between IANB failure and mandibular skeletal characteristics.
The inferior alveolar nerve block (IANB) is one of the most common and important procedures in dentistry and has widespread applications in all fields of dentistry including oral surgery, endodontics, periodontics, and prosthodontics.
However, in practice, even with a standardized anesthetic technique, not all IANB procedures are successful.
IANB failure rates have been reported as high as 29%-39%, and clinical studies have reported failure rates of 44%–81% in mandibular posterior teeth with irreversible pulpitis.
Some of the causes of IANB failure involve poor anesthetic techniques and anatomical variations such as differences in the ramus width and height, mandibular foramen position, musculature, and adipose tissue.
