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metal plates wired to the teeth to occlude the jaw during maxillofacial surgery or during healing, maintain normal bite
arch bars
-
incision made between frontal and parietal bones bilaterally
bicoronal incision
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screws that penetrate both cortical layers and intervening spongy layer of bone
bicortical screws
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severe fracture of orbital cavity in which portion of globe may extrude outside cavity
blowout fracture
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number, type, and pattern of teeth
dentition
-
horizontal fracture of maxilla that causes hard palate and alveolar process to become separated from the rest of the maxilla
Le Fort I fracture
-
fracture extending from nasal bone to frontal processes of maxilla, lacrimal bones, and inferior orbital floor
Le Fort II fracture
-
fracture involving separation of all facial bones from cranial base
Le Fort III fracture
-
-
wiring of patient's teeth with arch bars
maxillomandibular fixation (MMF)
-
patient's bite pattern when jaw is closed
occlusion
-
tooth extraction
odontectomy
-
surgery involving bones of face
oromaxillofacial surgery
-
skin incision made approximately 2 mm inferior to lower eyelids
subciliary incision
-
incision made through conjunctiva
transconjunctival incision
-
bone plate with retaining posts used in procedure for dental implants
transosteal implant
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upper face is composed of?
frontal bone
-
superior margin of bony orbit is formed by?
frontal bone
-
midface composed of?
- ethmoid
- nasal bone
- zygoma
- maxillary bones
-
bone that contributes to floor of cranium and contains a number of sinus cavities
ethmoid bone
-
bone that forms the bridge of the nose and articulates with ethmoid and maxilla
nasal bone
-
forms lateral walls and floor of bony orbit
zygoma
-
what is the zygomatic arch?
cheekbone
-
lower face composed of?
mandible
-
only movable bone of the face
mandible
-
from what is mandible suspended?
temporal bone
-
bony outgrowth of palatine bones or mandible
torous palatinus/torus mandibularis
-
facial trauma most commonly caused by?
assault and MVA
-
bacterial infection and structural damage to teeth
dental caries
-
malposition of upper and lower jaw
malocclusion
-
congenital defect resulting in abnormally small lower jaw
mandibular micrognathia
-
undergrowth of maxilla
maxillary hypoplasia
-
primary means of repairing facial fractures
plates and screws
-
plate and screw sizes for mandibular fractures
at least 2 mm in size
-
plate and screw sizes for midface, orbital, and frontal sinus fractures
1 to 2 mm
-
most common causes of facial fractures
assault, MVA, and sports
-
how are facial fractures prepped?
with dilate Betadine scrub and paint - safest and most effective antiseptic for face
-
what area is prepped for facial fractures?
entire face from hairline to sternal notch
-
what types of sponges may be used?
4x4 and cottonoids
-
dressing that may be applied directly over site
Telfa or other nonadherent dressing
-
wrap dressings that may be used
Kerlix
-
if arch bars remain postop, what is sent with patient?
wire cutters - in event of airway emergency
-
anesthesia given for ORIF for midface fracture
general anesthesia through NG tube
-
suture used to close midface ORIF
3-0 absorbable
-
midface ORIF healing
6 to 8 weeks
-
why is ORIF of frontal sinus fracture performed?
to repair CSF leakage, prevent obstruction of frontal sinus ducts, and restore aesthetic contour to forehead
-
why is ORIF of orbital floor fracture performed?
to reduce fracture of orbital floor, prevent entrapment of extraocular muscles, and to support orbital contents
-
portion of globe extruding into the nasal sinus
enophthalmus
-
what can entrapment of the eye muscles result in?
diplopia (double vision)
-
most common causes of injury to orbital floor
assault and being struck by high-velocity object
-
what is instilled into the eye to provide moisture?
BSS
-
most common cause of mandibular fracture
assault
-
3 types of dental implants
- endosteal
- subperiosteal
- transosteal
-
implant in alveolus of maxilla or mandible and then covered with soft tissue
endosteal implant
-
implants placed beneath the periosteum directly on alveolar bone
subperiosteal implant
-
bone plates with retaining posts resembling a staple - used only when patient has severe loss of bone in mandibular alveolar ridge
transosteal implant
-
why is mandibular advancement performed?
to correct bony deformity of mandible
-
why is midface advancement performed?
to correct bony deformity of maxilla
-
why is temporomandibular joint arthroplasty performed?
to reduce pain and increase mobility of joint
-
bruxism
grinding of teeth
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