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Hinge Axis LocationHinge Axis LocationHinge Axis LocationHinge Axis Location• Face-bow or
ear-bow used
• Record relationship of maxilla to transverse horizontal hinge axis of mandible
• Face-bow or ear-bow used
• Record relationship of maxilla to transverse horizontal hinge axis of mandible
Hinge AxisHinge AxisHinge AxisHinge Axis
• Transferred to the articulator• Important to prevent occlusal
errors, particularly when cusped teeth are used in dentures.
• Transferred to the articulator• Important to prevent occlusal
errors, particularly when cusped teeth are used in dentures.
Edentulous Bite Fork:Edentulous Bite Fork: Allows patient to close Allows patient to close against the opposing against the opposing rim to stabilize the rim to stabilize the record basesrecord bases
Heat bite fork and imbed it centered and parallel the
occlusal plane
Heat bite fork and imbed it centered and parallel the
occlusal plane
Finger cots can be used over ear pieces for infection control
Finger cots can be used over ear pieces for infection control
Patient can assist with placement and orientation in external auditory meatus
Patient can assist with placement and orientation in external auditory meatus
Orient in external auditory meatus
Orient in external auditory meatus
Slide facebow onto Slide facebow onto biteforkbitefork
Extend nasion Extend nasion support& tightensupport& tighten
Tighten all facebow Tighten all facebow wrencheswrenches
Loosen these tighteners. Loosen these tighteners. Release the recordbase Release the recordbase by breaking the seal, by breaking the seal, and removing the and removing the facebow.facebow.
Loosen and remove the Loosen and remove the transfer jig from the transfer jig from the earbowearbow
Loosen and remove the Loosen and remove the transfer jig from the transfer jig from the earbowearbow
Place facebow support Place facebow support on transfer jig and attach on transfer jig and attach to indirect mount.to indirect mount.
Don’t use direct method Don’t use direct method with indirect mount.with indirect mount.
Remove incisal pin and set Remove incisal pin and set the centric latchthe centric latch
Indirect jig with record base on articulator
Indirect jig with record base on articulator
Place cast support and Place cast support and maxillary mounting maxillary mounting plateplate
Attach cast with Attach cast with mounting plaster in two mounting plaster in two
stepssteps