Facial trauma Flashcards
what veins drain to the cavernous sinus and so contribute to the danger triangle
supratrochlear and supraorbital
what nerve travels through the mental foramen
inferior alveolar nerve from V3
what does a fracture of the maxilla or zygoma cause
lateral wall of nose or lower eyelid numbness
due to damage to the infraorbital nerve V2
what is erb’s point
found along the anterior border of stenocleidomastoid
how can we anaesthetise large areas of the face
nerve blocks with local anaesthetics (look for foramen)
why is cranial nerve 7 more superficial in children
due to development of the mastoid and styloid
where is the buccal branch of cn 7 found
parotid duct
what facial muscle is most succeptible to injury
depressor anguli oris
what layer is the neurovascular bundle of the scalp found in
connective tissue (subcutaneous)
can bleed out
what should you do in an injury to the ear or nose
skin is tightly bound to underlying cartilage
you should make sure that cartilage is not left exposed
what cartilage would you use to reconstruct the ear
costal
what is a laceration
an injury caused by a blow or crushing force
what should you do when identifying a dental injury
look for loose teeth which could be aspirated to right lung
describe fractures to the mandible
usually bilateral
commonly sub condylar, or angle, body or parasymphysis
what might be the effect of a zygoma fracture or orbit fracture
numbness in upper lip and cheek
epistaxis
periorbital haematoma
zygomatic arch can fracture
