Fig. 4

Picture demonstrating the three injection points. Injection point is within the triangle made by a line connecting the mouth corner, the tragus, and the angle of the mandible. Inject deep into the muscle, careful not to touch the periosteum
Picture demonstrating the three injection points. Injection point is within the triangle made by a line connecting the mouth corner, the tragus, and the angle of the mandible. Inject deep into the muscle, careful not to touch the periosteum