Orientation Jaw Relation Pdf Download
Parts of a Face bow The component parts of a face-bow are :- a. Slidematic type ( Denar ):- This face-bow has an electronic device, which gives the reading that can be seen in the anterior region. The orbital pointer is made to touch the infraorbital notch and locked in position to the U frame with an orbital clamp.Slide 25: The entire face-bow assembly along with the occlusal rim is removed from the mouth and positioned (transferred) in the articulator .RECORDING THE ORIENTATION JAW RELATION USING A KINEMATIC FACE-BOW: RECORDING THE ORIENTATION JAW RELATION USING A KINEMATIC FACE-BOW The kinematic face-bow is attached to the mandible occlusal rim and the hinge axis is located based upon the opening movements of the mandible. It is attached to the frame with the help of a rod called the stem. The thickness of the bite fork and the wax together should not be more than 6mm. FABRICATION OF A CLUTCH : The first step involves the fabrication of a clutch. An occlusal rim made of impression compound is built upon the record base. A point is marked 13mm in front of the auditory meatus on a line running from the outer cantus to the superior border of the tragus. Views: 8431 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: February 15, 2011 This Presentation is Public Favorites:2 Presentation Description No description available.
A record base is fabricated over the mandibular cast. The patient should be asked to make eccentric movements.Slide 29: The condylar rods will move during the mandibular movements. All other components are attached to the frame with the help of clamps. Channel Statistics Included in these Channels: You do not have the permission to view this presentation. They help to locate the hinge axis or the opening axis of the temporomandibular joint. Face- bows that have a condylar rod, to record the true hinge axis, are called Kinematic face-bows. Kinematic or hinge bowSlide 11: Arbitary face-bow : Most commonly used face-bow in complete denture construction.
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