Clinical Anatomy of the Face Flashcards
What is the cranium
The skeleton of the head
What is the neurocranium
Bony covering of the brain and meninges
What is the roof of the neurocranium called
The calvaria
What is the floor of the neurocranium called
The cranial base
How many bones does the neurocranium consist of
8
What is the viscerocranium
Facial skeleton
How many bones does the viscerocranium consist of
14
Why is resorption of one tooth an issue
As it effects the tooth next to it causing it to restore
Big issue for lower teeth as the mental foramen resorbs
Presses on the nerves causing pain
What are the sensory branches of the trigeminal nerve
Ophthalmic
Maxillary
Mandibular
What nerve does the chicken pox virus sit in
Trigeminal nerve
Where are the boundaries of the masseter
Zygomatic arch
Mandible
Where are the boundaries of the temporalis
Frontal/parietal bones to the coronoid process of the mandible
How many facial muscles are there
43
What are the facial muscles arranged around
The orifices
Where do the facial muscles originate and insert
Originate from bone or fascia and insert onto the skin
How are facial expressions made
Muscles contract and pull on skin exerting their effect
What nerve are facial muscles supplied by
Facial CN 7
What is the orbicularis oris
Encloses the opening to the oral cavity
Where does the orbicularis oris attach and insert
Attaches from the maxilla and other muscles of the cheek
Inserts into the skin and mucous membranes of the lips
What does a defect in the joining of the orbicularis oris result in
Cleft lip
What is the buccinator
Muscle located between the mandible and maxilla
What does the buccinator do
Pulls the cheek inwards against the teeth, preventing food accumulating in that area
What is the orbicularis oculi
Surrounds the eye socket and extends into the eyelid
What does the orbicularis oculi do
Blinking
Continual contraction in sleep
Draining of tears
Scrunching up the eyes
