Rare Complications of Two Most Common Nerve Blocks: Posterior Superior Alveolar and Inferior Alveolar Nerve Block: A Mini Review

Abstract

Administration of local anesthetic agents is a safe procedure. However, various localized, distant and systemic complications have been reported. Posterior superior alveolar nerve block (PSAB) and inferior alveolar nerve block (IANB) are the two most common nerve blocks in the jaws. In this mini review, we tend to describe rare complications of these two methods. Rare complications of IANB includenecrosis of the chin skin of, neuritis of the facial nerve, trismus, ischemia and blanching of skin, anemia in the face, numbness of the ear, diplopia , taste disturbance, infra condylar abscess, burning sensation in eye, reduction in visual acuity and atrophy of the optic nerve. Some Rare complications of PSA are diplopia, amaurosis, epiphoria, paralysis, esotropia, hematoma, pupillary dilation and ptosis, paresis of the lateral pterygoid muscle and trismus. Since complications of dental anesthesia are inevitable, their prevention and management are essential. Management of complications requires comprehensive knowledge regarding the management of complications and injection techniques to prevent these complications