Local anesthesia is a cornerstone of pain management in dentistry, facilitating comfortable dental procedures for patients. However, despite its widespread use, complications can occur, ranging from minor discomfort to more serious injuries. This thesis delves deeply into the realm of local complications of dental local anesthesia. Local complications of dental anesthesia encompass a diverse array of adverse events that may occur during the administration of local anesthetics. Awareness of these complications, along with diligent technique and prompt intervention when necessary, is essential for ensuring patient safety and optimizing outcomes in dental practice.