Facebow transfer is used for what purpose in prosthodontics?

• A. To relate the maxillary cast to the hinge axis and transfer spatial relationships to the articulator
• B. To record shade information for color matching
• C. To adjust the vertical dimension of occlusion
• D. To measure tooth width on the cast

Answer: (A)

The main idea is that a facebow transfer captures how the upper jaw sits in the skull and moves, then reproduces that spatial relationship on the articulator. By relating the maxillary cast to the hinge axis and transferring that orientation, the articulator can mimic the patient’s jaw movements and occlusal relationships more accurately. This ensures the occlusal plane, cusp contacts, and anterior guidance on the mounted casts reflect the patient’s true anatomy, improving fit and function of dentures or other prostheses. It isn’t used for shade matching, adjusting vertical dimension, or measuring tooth widths.