What best describes a successful infraorbital nerve block?

A successful infraorbital nerve block is characterized by its ability to block a large area of sensation in the maxillary region while using a relatively small amount of anesthetic agent. The infraorbital nerve is a branch of the maxillary division of the trigeminal nerve and provides sensation to various structures, including the upper lip, the maxillary teeth, and the skin of the cheek and lower eyelid. By effectively targeting this nerve, the block can provide sufficient anesthesia for procedures involving the maxillary teeth and soft tissues in that area.

Using a small volume of anesthetic yet achieving coverage over a broad area is advantageous in a clinical setting. It minimizes the potential for systemic effects and adverse reactions associated with larger volumes of anesthetics while still providing adequate pain control for the intended dental procedures. This efficiency reflects the proper technique and anatomical understanding necessary for performing the infraorbital nerve block successfully.