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CRANIOFACIAL POSITIONING > CRANIOFACIAL > Flashcards

CRANIOFACIAL Flashcards

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

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

where to petrous ridges sit for caldwell facial bones

A

lower 1/3 of orbit

23
Q

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

A

30 degrees to put ridges below maxillary sinuses

24
Q

FACIAL BONES WATERS
- angle
- centering
- positioning lines

A
  • no angle
  • MML perpendicualr to board (drowning)
  • OML forms a 37 degree angle with IR
  • CR exits at acanthion
25
Q

FACIAL BONES REVERSE WATERS
- angle
what is the difference

A

done AP in trauma cases
- angle so that MML and CR match
center to acanthion

26
Q

FACIAL BONES LATERAL
- angle
-positioning lines
- centering

A

no angle
- IOML and IPL perpendicular to IR
centering midway between EAM and outer canthus

27
Q

ORBTIS (PA axial)
- angle
- positioning lines
- centering

A
  • 30 degrees caudal
  • OML perpendicualr to IR
    centering mid orbit
  • want ridges out of orbits
28
Q

ORBITS REVERSE WATERS
- angle
centering
positioning lines

A
  • angle so that LML is and CR match
  • centering bid orbit
  • LML perpendicualr to IR with angle if cannot move neck
29
Q

ORBITS FB MODIFIED WATERS
- angle
- centering
-positioning lines

A
  • no angle
  • mid orbits centering
  • LML perpendicular to IR
  • want ridges out of orbits
30
Q

LATERAL ORBITS (FB AND REGULAR)
- angle
-centering
-positioning lines

A
  • no angle
    -center at outer canthus
  • IOML and IPL perpendicular to IR
  • want back to EAM
31
Q

NASAL BONES WATERS
- angle
- centering
- positioning lines

A
  • no angle
  • MML perpendicualr to IR
  • CR exits mid nasal boenes
32
Q

LATERAL NASAL BONES
- angle
- centering
- positioning lines

A
  • no angle
  • centering mid nose on nose 0.5” below nation
  • IOML and IPL perpendicualr to IR
33
Q

ZYGOMATIC ARCHES WATERS
- angle
- centering
- positioning lines

A
  • NO angle
  • MML perpendicualr to IR
  • similar to facial bones
  • CR exits at acanthion
    ridges below max sinuses
34
Q

ZYGOMATIC ARCHES TANGENTIAL
- angle
- centering
- positioning lines

A

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
Q

ZYGOMATIC ARCHES townes (modified)
- angle
- centering
- positioning lines

A
  • OML perpendicalr to IR
  • 30 degree caudad angle
  • bilat zygos
  • CR 1 inch above nasion
36
Q

ZYGOMATIC ARCHES SMV
- angle
- centering
- positioning lines

A
  • 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
Q

MANDIBLE (MODIFEID TOWNES)
- angle
- centering
- positioning lines

A
  • OML perpendicular to IR
  • 35 degree angle
  • CR 1 inch superior to globella
    AP
38
Q

MANDIBLE PA axial
- angle
- centering
- positioning lines

A
  • OML perpendicular to IR
  • 20-25 degree cephalad angle
  • CR exit at acanthion
  • best visualized proximal rami and elongates condyloid process
39
Q

PA AXIAL MANDIBLE BEST DEMONSTRATES

A

PROXIMAL RAMI AND ELONGATES CONYLOID PROCESS

40
Q

PA MANDIBLE
- angle
- centering
- positioning lines

A
  • OML PERPINDICULAR TO IR
  • NO ANGLE
  • CR EXITS AT JUNTION OF LIPS
41
Q

AP MANDIBLE

A
  • OML PERPENDICULAR TO IR
  • NO ANGLE
    -EXITS AT LIP JUNTION
42
Q

AXIOLATEAL MANDIBLE
- WHAT IS THE POSITION OF THE HEAD
- CR POINT

A
  • 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
Q

WHEN IS THE RAMUS BEST DEMONSTRATED

A

TRUE LATERAL MANDIBLE

44
Q

WHEN IS A GENERAL SURVEY BEST DEMONSTRATED

A

10-15 DEGREE AXIOLATERAL

45
Q

30 DEGREE ROTATION AXIOLATERAL OBL BEST DEMONSTRATES…

A

THE BODY OF MANDIBLE

46
Q

45 DEGREE ROTATION ACIOLATERAL OBL MANDIBLE BEST DEMONSTRATES

A

MENTUM

47
Q

GENERAL TUBE ANGLE RULE FOR MANDIBLE

A

DONT HAVE TO ANGLE TUBE IF LET HEAD FALL IN 25 DEGREES INTO THE BOARD

48
Q

AXIOLATERAL OBL MANDIBLE
- angle
- positioning
- centering

A
  • 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
Q

TMJ modified towns
- angle
- positioning
- centering

A
  • 35 degree caudad
  • OML perpendicualr to IR
    -CR 3” superior to nasion
  • think right at TMJ joint
50
Q

TMJ AXIOLATERAL OPEN AND CLOSED MOUTH
- SCHULLERS METHOD
- ANGLE
- POSITIONING
-CENTERING

A
  • 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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