It provides sensation to the chin, lower lip, mucosa, and gingiva of the lower lip. It draws the nose down inferiorly. The buccal and zygomatic branches travel superficially over the buccal fat pad and just below the SMAS. Oral Cavity Salivary Glands Pharynx. The buccal branch often has numerous anastomotic connections with the zygomatic branch and sends fibers to similar muscles, in addition to the buccinator, orbicularis oris, depressor anguli oris, and risorius muscles. The venous system of the medial aspect of the face the dangerous triangle involves the drainage of the upper lip and paranasal areas.
Facial Anatomy in Cutaneous Surgery
Oral Muscle Pressures , Angle Orthod Google Scholar , Crossref , Medline. The facial vein and its communications are devoid of valves in their own lumens. The facial muscles are a group of striated skeletal muscles supplied by the facial nerve cranial nerve VII that, among other things, control facial expression. Angle of mouth drawn upwards and laterally.
Anatomy of facial expression and its prosthodontic significance - ScienceDirect
The facial artery courses around the jaw anterior to the masseter, where it is palpable, and continues superomedially to end as the angular artery near the medial canthus. Quiz to build your knowledge. Branches of the facial nerve. The facial vein parallels the facial artery and drains blood from the middle of the face into the internal jugular vein. It has three distinct parts — palpebral, lacrimal and orbital. July 15, Revisions: These muscles may be observed at work by the dentist when he first views his patient and that patient begins to speak.
The superficial musculoaponeurotic system SMAS is a discrete fibromuscular layer that envelops and interlinks the muscles to provide these synergies. Working individually, these muscles rotate the head or flex the neck laterally to the left or right. Note the nasalis muscle is comprised of two parts. Generate a file for use with external citation management software. This muscle is called the orbicularis oculi.