g) Loosen the wing nut of the nosepiece and remove the nazion relator assembly from the
face-bow. Then, loosen the central wing nut of the face-bow and hold the cross bar of the
bow at the same time the patient opens the mouth slowly, removing the whole set carefully
(fig. 15, 16 and 17)
FIG. 16
FIG. 19
FIG. 15
FIG. 18
FIG. 17
FIG. 20
2.2 - TOTALLY EDENTURELESS PATIENT
a) When registering totally edentureless patients with the face-bow, use the special
edentureless fork, or Conti fork (optional), to maintain the prove plate and roller wax.
b) After the patient's registration on the wax roller, heat both handles of the fork slightly in a
flame and press them on the upper wax roller, which was previously joined to the lower
wax roller, or not, with the midline of the fork handle aligned with the midline of the patient
(fig. 18, 19).
c) Place the set (fork + wax rollers) in the patient's mouth inserting it on the alveolar edges
(fig. 20)
Note: When carrying out the registration with wax rollers which were previously joined,
ask the patient to keep it in position and close his mouth.
d) Repeat steps (c) to (g) of item 2.1
4
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