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Hinge Axis Location

Hinge Axis Location. Face-bow or ear-bow used Record relationship of maxilla to transverse horizontal hinge axis of mandible. Hinge Axis. Transferred to the articulator Important to prevent occlusal errors, particularly when cusped teeth are used in dentures. .

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Hinge Axis Location

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  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. Don’t 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

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