YOSHIDA XP73 - Page 68

Directions for Use
66
Operation Manual
Suppl. : Improper midsagittal vertical beam alignment may affect the images as described
below.
1. Inclined patient’s face
Problems
• Prominent difference between the tops of
left and right temporomandibular joints.
• Distorted image with a difference in size
between left and right mandibular angles.
Possible causes
• Inclined patient’s face toward either of
the left and right sides.
Corrective measure
• Align the reference median line (vertical
line) to the patient’s midsagittal line.
2. One half of the patient’ face enlarged and the other reduced
Problems
• One half of the patient’s face is enlarged
and the other reduced.
• A difference in size between the tops of
left and right temporomandibular joints.
Possible causes
• The patient does not face front, tilting
toward either of the left and right sides.
• Inclined patient’s face toward either of
the left and right sides.
Corrective measure
• Align the reference median line (vertical
line) to the patient's midsagittal line.