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Oral Radiography > SKULL RADIOGRAPHY > Flashcards

SKULL RADIOGRAPHY Flashcards

1
Q

CEPHALOMETRIC PROJECTIONS
(2)

A

LATERAL CEPHALOMETRIC PROJECTION
PA CEPHALOMETRIC PROJECTION

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2
Q

LATERAL CEPHALOMETRIC PROJECTION
Indications
(3)

A

Orthodontics/ Growth and development
Orthognathic surgery evaluation
Anterior-posterior view of paranasal sinuses

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3
Q

LATERAL CEPHALOMETRIC PROJECTION
Be able to
identify:
(3)

A

Maxillary sinus
Frontal sinus
Sphenoid sinus

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4
Q

POSTERIOR-ANTERIOR (PA)
CEPHALOMETRIC PROJECTION
Be able to
identify:
(3)

A

Orbits
Nasal cavity
Frontal sinus

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5
Q

POSTERIOR-ANTERIOR (PA)
CEPHALOMETRIC PROJECTION
Indications
(4)

A

Orthodontics/Growth and development
Orthognathic surgery evaluation
Mediolateral developmental changes
Facial asymmetry

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6
Q

WATERS PROJECTION
Be able to identify:
(3)

A

Maxillary sinuses
Floor of orbit
Inferior rim of orbit

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7
Q

WATERS PROJECTION
Waters projection demonstrates:
(3)

A

Maxillary sinuses
Orbits
Midfacial bones

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8
Q

SUBMENTOVERTEX PROJECTION
Be able to identify:
(2)

A

Sphenoid sinus
Mandibular condyles

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9
Q

SUBMENTOVERTEX PROJECTION
Submentovertex demonstrates:
(4)

A

Skull base
Sphenoid sinus
Mandibular condyles
Zygomatic arches

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10
Q

REVERSE TOWNE
PROJECTION
Indications:
(2)

A

Occiput
Subcondylar fractures

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11
Q

Occlusal Radiography
Indications
(2)

A

Large segment of dental arch
Limited opening

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12
Q

Occlusal Radiography
Clinical Uses
(6)

A
  1. Roots, impactions, supernumerary teeth
  2. Foreign bodies, sialoliths
  3. Fractures
  4. Extent of pathoses
  5. Sinus and nasal integrity
  6. Monitor orthodontic palatal expansion
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13
Q

Dental Film Sizes

A

0 - pediatric
1 – PA , pediatric
2 - Standard
3 – special BW
4 - occlusal

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14
Q

Maxillary
Occlusal Radiography
(3)

A
  1. Anterior maxillary occlusal projection
  2. Topographic maxillary occlusal projection
  3. Lateral maxillary occlusal projection
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15
Q

Anterior Maxillary
Occlusal Projection
Vertical Angle:
Central Ray:

A

(+) 45 degrees
through tip of the nose

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16
Q

Topographic Maxillary
Occlusal Projection
Vertical Angle:
Central Ray:

A

(+) 65 degrees
through bridge of the nose

17
Q

Lateral Maxillary
Occlusal Projection
Vertical Angle:
Central Ray:

A

(+) 60 degrees
2cm below lateral canthus of eye

18
Q

Mandibular
Occlusal Radiography
(3)

A
  1. Anterior Mandibular Occlusal Projection
  2. Topographic (Cross-Sectional)
    Mandibular Occlusal Projection
  3. Lateral Mandibular Occlusal Projection
19
Q

Anterior Mandibular
Occlusal Projection
Vertical Angle:
Central Ray:

A

-55 to plane of receptor
through tip of chin

20
Q

Topographic Mandibular
Occlusal Projection
Vertical Angle:
Central Ray:

A

perpendicular to receptor
in midline, through floor of mouth

21
Q

Lateral Mandibular
Occlusal Projection
Vertical Angle:
Central Ray: (3)

A
  • perpendicular to receptor
  • beneath the chin
  • 3 cm posterior to chin
  • 3 cm lateral to midline
22
Q

Anterior Maxillary
Occlusal Projection
can see
(2)

A

Anterior maxilla, canine to canine
Anterior floor of nasal fossa

23
Q

Topographic Maxillary
Occlusal Projection
can see (4)

A

Palate, nasal septum
Maxillary 2nd molar to 2nd molar
Anterioinferior portion of maxillary sinuses
Nasolacrimal canals

24
Q

Lateral Maxillary
Occlusal Projection
can see
(3)

A

Quadrant of maxillary ridge
Lateral incisor to contralateral 3rd molar
Inferolateral portion of maxillary sinus

25
Q

Anterior Mandibular
Occlusal Projection
can see
(2)

A

Anterior mandible, canine to canine
Inferior cortex of mandible

26
Q

Topographic Mandibular
Occlusal Projection
can see
(3)

A

Floor of mouth
Buccal/lingual cortex of mandible
from 2nd molar to 2nd molar

27
Q

Lateral Mandibular
Occlusal Projection
can see
(3)

A

Half of floor of mouth
Lateral incisor to contralateral third molar
Buccal/lingual cortex of half of mandible

Oral Radiography (24 decks)

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