Inferior alveolar nerve block anesthesia needle occurs facial paralysis is needle insertion direction

Inferior alveolar nerve block anesthesia: one needle (intraoral method). It is simple and easy to use and is commonly used in the extraction of mandibular molars. Operation note: needle direction, Angle, distance from edge height. Injection point, depth. The dose of the substance, and the injection method. Direction Angle: From the opposite side between the fourth and fifth teeth, the needle and the puncture point at a 45 degree Angle. The height from the edge of the tooth: 1 cm above the third molar. Injection point: the tip of the cheek fat pad. Depth: 2.5-3 cm. Note: 2ml, back tip slightly back out, while receding. The inferior alveolar nerve, buccal nerve and lingual nerve were anesthetized. It'll kick in in five minutes. Individual patients with heavy inflammation will affect the absorption of the substance. At this time in the buccal side of the teeth in a small amount of anesthesia. Be effective