The goal of every injectable procedure is to perform an effective, safe treatment with minimal pain. Therefore, a thorough knowledge of the neurovasculature in this area is desirable. Injectable vascular anatomy features heavily within literature, with good reason, given the possibility of intra and extra vascular occlusion and its sequela. There is, in contrast, a paucity of guidance and appreciation for the nervous distribution of the face when injecting dermal fillers.
The facial nerve and the trigeminal nerve are the two major nerves we encounter upon injecting the face. The trigeminal nerve splits into three main parts: the ophthalmic nerve, the maxillary nerve and the mandibular nerve. The trigeminal nerve passes through the foramina of the skull and divides into independent facial sensory components. In contrast, the facial nerve has one nerve trunk that passes through the…
