Orbital pointer with clamp – used as a third reference point. Locking device – helps to attach the bite fork to the U-shaped frame. Wax material is usually attached to the bite fork, and the bite fork is held in contact with maxillary jaw or mandibular jaw in kinematic face-bow. This placement generally locates the rods within 5 mm of the true centre of the opening hinge axis of the jaw. Ĭondylar rods – are positioned 13 mm anterior to the auditory meatus on the Canto-Tragal line. ![]() Frame extends from the region of TMJ or external acoustic meatus to a distance of 2-3 inches in front of the face. U-shaped frame - forms the main part of the frame with remaining components attached to it by clamps. ![]() It aids in mounting maxillary cast on the articulator. It records the upper model's (maxilla) relationship to the External Acoustic Meatus, in the hinge axis. Specifically, it transfers the relationship of maxillary arch and temporomandibular joint to the casts. Its purpose is to transfer functional and aesthetic components from patient's mouth to the dental articulator. ![]() A face-bow is a dental instrument used in the field of prosthodontics.
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