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CRANIOFACIAL POSITIONING > CRANIOFACIAL > Flashcards

CRANIOFACIAL Flashcards

(50 cards)

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1
Q

what are the views for skull

A

30 degree Townes
15 degree caldwell
lateral

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2
Q

what are the views for sinuses

A

waters
caldwell
lateral

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3
Q

what are the views for facial bones

A

caldwell
waters
reverse waters
lateral

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4
Q

what are the views for orbits

A

caldwell
reverse waters
lateral
fb (modified waters and lateral

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5
Q

what are the views for nasal bones

A

PA waters
lateral

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6
Q

what are the views for zygomatic arches

A

PA waters
tangential
townes
SMV

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7
Q

what are the views for mandible

A

PA
AP
Townes
axiolateral
axiolateral obliques
pa axial

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8
Q

what are the views for TMJ

A

modified townes
axiolateral open and closed mouth

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9
Q

SKULL TOWNES
- centering
- angle
- positioning lines

A

CR 2.5” above globella (hairline)
- 30 degrees caudal for OML
-37 degrees caudal for IOML
AP

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10
Q

SKULL CALDWELL
- centering
- angle
- positioining lines

A

CR exits at nasion
- 15 degrees caudal
- OML perpendicular to floor
PA

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11
Q

SKULL LATERAL
- centering
- angle
- positioning lines

A
  • CR 2 inches above EAM
  • IOML and IPL perpendicular to floor
  • no angle straight beam
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12
Q

SINUSES WATERS
- centering
- angle
-positioning lines

A
  • CR exits at acanthion
  • No angle
  • MML perpendicuar to IR
    PA
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13
Q

what sinuses are best visualized in waters

A

frontal and maxillary

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14
Q

SINUSES CALDWELL
- angle
-centering
positioning lines

A
  • CR exits at nasion
  • OML 15 degrees up from parallel to floor
    no angle
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15
Q

Where do the petrous ridges sit in caldwell sinues

A

In lower 1/3 of orbits

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16
Q

where to petrous ridges dit in waters sinuses

A

below maxillary sinuses

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17
Q

what sinus is best visaulized in caldwell projection

A

ethmoid and frontal

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18
Q

SINUSES LATERAL
- angle
- centering
-positioning lines

A
  • no angle
  • center mid way between EAM and outer canthus
  • IOML and IPL perpendicaulr to IR
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19
Q

What sinuses should be seen in lateral view

A

Ethmoid
sphenoid
frontal
maxillary

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20
Q

what should be superimposed for lateral sinuses

A

ramus of mandible and sphenoid wings

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21
Q

FACIAL BONES CALDWELL
- angle
- centering
- positioning lines

Study These Flashcards
A
  • 15 degree caudal
  • CR exiting at nasion
  • OML perpendicualr to board
22
Q

where to petrous ridges sit for caldwell facial bones

Study These Flashcards
A

lower 1/3 of orbit

23
Q

if ROI is orbital floors what angle is used for caldwell facial bones

Study These Flashcards
A

30 degrees to put ridges below maxillary sinuses

24
Q

FACIAL BONES WATERS
- angle
- centering
- positioning lines

Study These Flashcards
A
  • no angle
  • MML perpendicualr to board (drowning)
  • OML forms a 37 degree angle with IR
  • CR exits at acanthion
25
FACIAL BONES REVERSE WATERS - angle what is the difference
done AP in trauma cases - angle so that MML and CR match center to acanthion
26
FACIAL BONES LATERAL - angle -positioning lines - centering
no angle - IOML and IPL perpendicular to IR centering midway between EAM and outer canthus
27
ORBTIS (PA axial) - angle - positioning lines - centering
- 30 degrees caudal - OML perpendicualr to IR centering mid orbit - want ridges out of orbits
28
ORBITS REVERSE WATERS - angle centering positioning lines
- angle so that LML is and CR match - centering bid orbit - LML perpendicualr to IR with angle if cannot move neck
29
ORBITS FB MODIFIED WATERS - angle - centering -positioning lines
- no angle - mid orbits centering - LML perpendicular to IR - want ridges out of orbits
30
LATERAL ORBITS (FB AND REGULAR) - angle -centering -positioning lines
- no angle -center at outer canthus - IOML and IPL perpendicular to IR - want back to EAM
31
NASAL BONES WATERS - angle - centering - positioning lines
- no angle - MML perpendicualr to IR - CR exits mid nasal boenes
32
LATERAL NASAL BONES - angle - centering - positioning lines
- no angle - centering mid nose on nose 0.5" below nation - IOML and IPL perpendicualr to IR
33
ZYGOMATIC ARCHES WATERS - angle - centering - positioning lines
- NO angle - MML perpendicualr to IR - similar to facial bones - CR exits at acanthion ridges below max sinuses
34
ZYGOMATIC ARCHES TANGENTIAL - angle - centering - positioning lines
Think what scott taught you - no angle - neck hyper extended back - IOML parallel to IR - rotate head 15 degrees towards side imaging - tilt chin 15 degrees towards side to be examined - want zygos free of superimposition of mandivle and parietal bones
35
ZYGOMATIC ARCHES townes (modified) - angle - centering - positioning lines
- OML perpendicalr to IR - 30 degree caudad angle - bilat zygos - CR 1 inch above nasion
36
ZYGOMATIC ARCHES SMV - angle - centering - positioning lines
- Think erins way - IOML parallel to IR - hyperextended neck BILAT - CR 1.5" below tip of chin symmetric mandibualr symph and frontal bone superimposed
37
MANDIBLE (MODIFEID TOWNES) - angle - centering - positioning lines
- OML perpendicular to IR - 35 degree angle - CR 1 inch superior to globella AP
38
MANDIBLE PA axial - angle - centering - positioning lines
- OML perpendicular to IR - 20-25 degree cephalad angle - CR exit at acanthion - best visualized proximal rami and elongates condyloid process
39
PA AXIAL MANDIBLE BEST DEMONSTRATES
PROXIMAL RAMI AND ELONGATES CONYLOID PROCESS
40
PA MANDIBLE - angle - centering - positioning lines
- OML PERPINDICULAR TO IR - NO ANGLE - CR EXITS AT JUNTION OF LIPS
41
AP MANDIBLE
- OML PERPENDICULAR TO IR - NO ANGLE -EXITS AT LIP JUNTION
42
AXIOLATEAL MANDIBLE - WHAT IS THE POSITION OF THE HEAD - CR POINT
- HEAD SLIGHTLY AWAY FROM IR - HEAD IN TRUE LATERAL POSITION - THEN LET HEAD FALL IN 15 DEGREES TO TOUCH IR - CR EXITS MID MANDIBLE AND INCLUDE TMJ
43
WHEN IS THE RAMUS BEST DEMONSTRATED
TRUE LATERAL MANDIBLE
44
WHEN IS A GENERAL SURVEY BEST DEMONSTRATED
10-15 DEGREE AXIOLATERAL
45
30 DEGREE ROTATION AXIOLATERAL OBL BEST DEMONSTRATES...
THE BODY OF MANDIBLE
46
45 DEGREE ROTATION ACIOLATERAL OBL MANDIBLE BEST DEMONSTRATES
MENTUM
47
GENERAL TUBE ANGLE RULE FOR MANDIBLE
DONT HAVE TO ANGLE TUBE IF LET HEAD FALL IN 25 DEGREES INTO THE BOARD
48
AXIOLATERAL OBL MANDIBLE - angle - positioning - centering
- no anlge - 30 degree nose turn for body - 45 degree nose turn for mentum -25 degree head tilt all from true lateral - IOML and IPL perpendicular
49
TMJ modified towns - angle - positioning - centering
- 35 degree caudad - OML perpendicualr to IR -CR 3" superior to nasion - think right at TMJ joint
50
TMJ AXIOLATERAL OPEN AND CLOSED MOUTH - SCHULLERS METHOD - ANGLE - POSITIONING -CENTERING
- Put head in true lateral position - IOML perpendicular to IR - IPL PERPENDICULAR TO IR - CR angled 25-30 degrees caudad - CR 1/2" infront and 2" below EAM

CRANIOFACIAL POSITIONING (1 decks)

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