4. Position the patient’s head so that the patient’s midsagittal plane
coincides with the midsagittal plane laser light.
The midsagittal plane laser light is shown in the middle of the patient’s
face.
5. If you use the rear head support, you can slide it up or down for optimal
support of the patient's head.
10 2D exposure
38 Planmeca Viso User's manual