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Facial Exp Muscles

Dental Anatomy DENT-110

muscleorigin/insertionActionExpression
Epicranial-frontal belly epicranial aponeurosis/eyebrow and root of nose raise eyebrows and scalp surprise
epicranial-occipital belly occipital and temporal bones/epicranial aponeurosis raise scalp and eyebrows surprise
Orbicularis Oculi orbital rim, frontal bone, maxilla/lateral canthus area close the eyelid squinting
Orbicularis Oris facial modiolus/labial commisure closing lips, pursing, rolling toward teeth, thrusting outward closing, pursing, grimacing, pouting
buccinator Maxilla, mandible, pterygomandibular raphe/labial commisure shortens cheek vertically and horizontally compresses cheeks during chewing
risorious fascia superficial to masseter/labial commisure stretches lips laterally grimacing
levator labii superiorus maxilla/labial commisure raising upper lip raising upper lip
levator labii superiorus alaeque nasi maxilla/ala of nose and lip lifts upper lip and wing of nose sneer or snarl
zygomaticus major zygomatic bone/labial commisure elevates the ipsilateral commisure of the upper lip smiling (smizeing)
zygomaticus minor zygomatic bone/upper lip elevates upper lip smiling
levator anguli oris mazilla/labial commisure 'lifter of the angle of the mouth' lifts edge of mouth in smiling
depressor anguli oris mandible/lower lip 'depressor of the angle of the mouth' frowning with lowering labial commisure
depressor labii infirioris mandible/lower lip 'depressor of the lower lip' lowering lower lip
mentalis mandible/chin raises the chin raising chin and protruing lower lip
platysma clavicle, shoulder/mandible and muscles of mouth raises the skin of the neck, pulls at labial commisure raising neck skin, grimacing
Created by: SonyaP
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