Ear rods are placed firmly in the ears, securing the head. Be certain that the Frankfurt horizontal is parallel to the floor and the patient is looking straight forward (not to the side), teeth together (eyes closed to keep the patient from moving), push the button. Tracing the frontal ceph Why is it important to first crop the vertical of the frontal ceph BEFORE tracing?
The ceph image and numbers must all fit on one page. If the head is too “tall”, then the numbers will be on top of the image.
What happens if you crop AFTER you have already traced a ceph?
The point locations are all lost and you must move ALL the structures to the new cropped image.
what is a quick check that you have the points correct for Nasion and zygoma right/left?
The sagittal plane passes through ANS.
Approximately how far below the orbit (eye) is the zygomatic plane?