Localized complications from local anesthesia.

The inherent safety of local anesthetics allows practitioners to use them frequently with the confidence that adverse events are rare. Nevertheless, complications can occur. The aim of this article is to briefly review the localized adverse events that may result from local anesthetic administration. Descriptions of each complication will be followed by suggestions for prevention and management. In spite of a dentist's conscientious practice, many of these complications cannot always be prevented.