Face Flashcards
What prevents the collapse of cheeks in infants during suckling?
Buccal fat pad
What takes longer?
Growth of calvaria
OR
Growth of facial bones
Growth of facial bones
When do the ethmoid, orbital cavities and superior part of nasal cavities complete their growth?
they complete their growth by 7th year
What happens from the expansion of orbits and the growth of nasal septum?
The maxillae are pushed anteroinferiorly by the growth.
What muscle acts as a synergist?
Occipitofrontalis
Which muscle ahs no bony attachment?
Frontal belly of the occipitofrontalis
Which muscle is important in speech (articulation)?
Orbicularis oris
What is pterygomandibular raphe?
It is a tendinous thickening of the buccopharyngeal fascia that separates the superior pharyngeal constrictor.
What is the exact location of buccinator?
Buccinator is more medially placed than others
It is nearer to the buccal mucosa than the skin
It keeps the cheek taut.
Which muscles provide gentle resistance to the teeth so that they won’t grow outwards (buck teeth)?
Orbicularis oris and buccinator
What causes buck teeth?
Short upper lips
What is modiolus?
Lateral to the angle of mouth, fibers of 9 facial muscles merge and form modiolus.
What is responsible for dimples in some people?
Modiolus
The attachments of platysma are divided into two parts
Superior and inferior attachment.
What does the superior attachment do?
Tenses the skin, creating vertical ridges.
Releases the pressure on superficial veins
The attachments of platysma are divided into two parts
Superior and inferior attachment.
What does the inferior attachment do?
Depresses the mandible
Draws the corners of mouth inferiorly
