Hinge Axis Location

1
Hinge Axis Location

• Face-bow or ear-bow used
• Record relationship of maxilla to transverse
  horizontal hinge axis of mandible

2
Hinge Axis

• Transferred to the articulator
• Important to prevent occlusal errors,
  particularly when cusped teeth are used in
  dentures.

3
Edentulous Bite Fork Allows patient to close
against the opposing rim to stabilize the record
bases
4
Heat bite fork and imbed it centered and parallel
the occlusal plane
5
Finger cots can be used over ear pieces for
infection control
Patient can assist with placement and orientation
in external auditory meatus
6
Orient in external auditory meatus
7
Slide facebow onto bitefork
Extend nasion support tighten
8
Tighten all facebow wrenches
9
Loosen these tighteners. Release the recordbase
by breaking the seal, and removing the facebow.
10
Loosen and remove the transfer jig from the earbow
11
Place facebow support on transfer jig and attach
to indirect mount. Dont use direct method with
indirect mount.
12
Remove incisal pin and set the centric latch
13
Indirect jig with record base on articulator
14
Place cast support and maxillary mounting plate
15
Attach cast with mounting plaster in two steps