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Rad Positioning > Chapter 11 - Sinuses/Mandible/TMJ Positioning > Flashcards

Chapter 11 - Sinuses/Mandible/TMJ Positioning Flashcards

1
Q

Mandible Protocol

A

Axiolateral (both sides)
PA Caldwell
Townes

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2
Q

Sinuses Protocol

A

Lateral
Modified Caldwell
Waters
Waters OM
SMV

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3
Q

TMJ Protocol

A

Townes
Modified Law or Schuller

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4
Q

Sinuses viewed in Lateral projection

A

Frontal
Ethmoid
Sphenoid
Maxillary

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5
Q

Where is OML to the IR in Modified Caldwell for sinuses

A

OML 15 degrees from perp

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6
Q

Where does the CR exit for Modified Caldwell (sinuses)

A

Nasion

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7
Q

What is perp to the IR in Waters

A

MML

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8
Q

What sinuses are viewed in Waters projection

A

Frontal, Maxillary

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9
Q

What sinuses are viewed in Open Mouth Waters projection

A

Sphenoid

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10
Q

What sinuses are viewed in SMV

A

Sphenoid
Ethmoid
Maxillary

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11
Q

What is parallel to the IR in SMV projection

A

IOML

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12
Q

What is the total degree of head tilt and CR angle for Axiolateral position

A

25 degrees

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13
Q

CR for PA Caldwell (Mandible)

A

@ Lips

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14
Q

What is perp to the IR for Townes (Mandible)

A

OML

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15
Q

What angle is used for Townes

A

30 degrees caudal

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16
Q

Where is the CR for Townes (Mandible)

A

1” above Glabella
Crosshairs running through ramus

17
Q

Where does the CR exit for Axiolateral projection

A

Mandible body of interest

18
Q

Where is the CR for Townes (TMJ)

A

2” superior to nasion
Crosshairs running through TMJ

19
Q

What is perp to the IR in a Modified Law projection

A

IPL

20
Q

What is the tube angle and face rotation in Modified Law projection

A

Rotate face 15 degrees towards IR
15 degree caudal angle

21
Q

CR for Modified Law projection

A

1.5” superior to upside EAM

22
Q

What is perp to the board in the Schuller projection

A

IPL

23
Q

What is the tube angle in Schuller projection

A

25-30 caudal

24
Q

Where is the CR for Schuller projection

A

2” above EAM

25
Q

What sinuses are viewed in Modified Caldwell

A

Frontal
Ethmoid
Maxillary

26
Q

What mandible position best demonstrates the ramus

A

Lateral

27
Q

Axiolateral projection for Mandible; 10-15 degree rotation best demonstrates:

A

General survey of mandible

28
Q

Axiolateral projection for Mandible; 30 degree rotation best demonstrates:

A

Body of mandible

29
Q

Axiolateral projection for Mandible; 45 degree rotation best demonstrates:

A

Mentum of mandible

30
Q

Axiolateral oblique projection - What must be done to prevent the ramus of the mandible from being superimposed over the cervical spine

A

Extend the chin

31
Q

If mandible body is the area of interest, what is perp to the IR in PA projection

A

AML

32
Q

What aspect of the mandible is best visualized with AP axial projection?

A

Condyloid process

33
Q

What crainal line is parallel to the floor for orthopantomography of the mandible

A

IOML

34
Q

What projection provides a bilateral and functional study of the TMJ

A

Modified Law

Rad Positioning (39 decks)

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