15 Questions
In the Submentovertex (SMV) projection, where should the CR be centered?
Midway between the gonions
Which projection is an alternative view for patients who cannot flex their necks?
PA axial (Haas Method)
In the PA axial (Haas Method) projection, what is the angle of the CR with respect to the OML?
25⁰
For which kind of pathology is the PA axial 0⁰ projection specifically intended?
Inner temporal bone structures
What is the specific instruction for patient positioning in the PA axial 15⁰ / 30⁰ / 0⁰ projection?
Patient's head on vertex
How should the patient's neck be positioned in the Submentovertex (SMV) projection?
Hyperextended
What is a key difference between the PA axial (Haas Method) and the PA axial 0⁰ projections?
Angle of CR
In which projection should the patient's nose and forehead be raised against the table/Bucky?
'PA axial (Haas Method)'
What is the correct CR angle for the AP axial (modified Towne method) projection of the TMJs?
35⁰ caudad from OML
What is the purpose of the modified Towne method projection in imaging the TMJs?
To highlight the mandibular condyles
In the AP axial (modified Towne method) projection, where should the CR be directed in relation to the level of the TMJs?
2.5 cm anterior to TMJs
What instructions are given for patient positioning in the AP axial (modified Towne method) projection?
OML perpendicular to IR
Which textbook is listed as a main reference for Facial Bones Projection – TMJs - AP axial (modified Towne method)?
Textbook of Radiographic Positioning and Related Anatomy
What is the recommended kV range for the AP axial (modified Towne method) projection?
70-80 kV
Which part of the anatomy should be visualized in a successful AP axial (modified Towne method) projection?
Condyloid processes of mandible
Test your knowledge on positioning the head in a true lateral position for skull and cranial projections. Make sure to align the mid-sagittal plane (MSP) and the infraorbital line (IPL) properly to ensure accurate imaging results.
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