Tighten the toggle nut of the joint in two steps:
Step 1: to fix the bite fork in-situ, and
Step 2: for safe transportation.
Centralize the toggle and hold the joint support
with the other hand to counter the torque and to
absorb the pressure on the glabella support.
The face bow is in correct position and the joint
support fixed without tension, when the bite fork
will not drop considerably lower from the upper
teeth.
Open the face bow and pull it carefully away
from the patient, in forward and downward di-
rection. (If retention straps have been used,
open them carefully in advance.)
The procedure on the patient is completed.
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