Face and Mastication GT

What is the predominant nerve and artery for the muscles of facial expression

facial nerve and facial artery

What nerve is primarily for the sensory innervation of the face

trigeminal n

Which muscle will say “angelina jolie is going to kill you”; Angles brow down and in (muscle fibers run on an angle)

corrugated supercilli

What muscle raises the eyebrows

occipitofrontalis

Which muscle enables a cool party trick of flaring your nostrils

Nasalis

Blow a kiss?

Orbicularis oris

Wink?

Obicularis oculi

Wrinkle the bridge of your nose?

Procerus

Grimace/Not barney? (RIP Finn)

Risorius

Evert/Elevate upper lip; insertion found on the superior lip

Levator labii superioris

Bilaterally you contract your zygomaticus muscles resulting in…

smile

They don’t smile back so you unilaterally contract the same muscles (zygomaticus) to

elevate the corner of your mouth

To grin/elevate angle of mouth laterally for a gentle (kinda fake smile); insertion found at the corner of the mouth moving up to origin

Risorius

To play the trumpet and BLOW you will need the ….

buccinator

To be a sad emoji you need a good..

depressor anguli oris

To evert and depress your lower lip bc the ref did not call roughing the passer –waaaaah

depressor labi inferioris

To pout and protrude the lower lip

Mentalis

What type of joint is the Temporo-Mandibular joint

Synovial modified hinge joint

What are the movements of the temporo-mandibular joint?

Mandible drifts anteriorly
Mandible drifts posteriorly (returning to normal following protraction)
Mouth is closed
Mouth is opened

Protursion, retraction, elevation (mouth closed), depression (mouth open)

What movement of the TMJ is restricted by the Stylomandibular Ligament

Prevents excessive anterior movement of the mandible during extreme opening

What movement of the TMJ is restricted by the Sphenomandibular Ligament

Limits depression of the mandible and prevents dislocation when opening the mouth

What is the salivary gland that will secrete watery/amylase saliva

Parotid (CN IX (GVE) )

Thick, gross saliva?

Sublingal (especially when you add orange juice)

Normal baseline saliva

submandibular

What nerve innervates the muscles of mastication and can you complete its story

Trigeminal Nerve (Motor aspect of V3 (mandibular branch), through forman ovale and trigeminal ganglion)

What is the artery supply?

Maxillary artery and superficial temporal

Which muscles will primarily elevate the mandible

Masseter and temporalis

What muscles will primarily stand alone deep to grind food

pterygoids deep to masseter (Flutie muscles as they form a “7”)