Frontal branch of the facial nerve: Galeal temporal relationship

Risks to the frontal branch of the facial nerve, especially at the juncture of the zygomatic arch, have been well studied in connection with aesthetic procedures. The use of bicoronal incisions led to the observation that there is a second area in which injury to the frontal branch of the facial nerve is at risk: the transition plane between the area over the temporalis muscle and the pericranial region.