Page 26 - Directions for the manipulation of the Gysi adaptable articulator

97 At the widest part of the articulator, there will be seen a small thumb screw on each side. If this be loosened, the plate which forms the glenoid fossae is released and may be turned horizontally at will. See illustration No. 23. pac^e 23. m L 17 U'K in 13° 10° 33" 15" «" 11' 15-" 18° 16" 15-^ IZ" 30 ZO" ZO' 3° 10" 10° 11° W 1^° iZ" r 111. No. 11. Six pairs of condyles have their inward lateral movements recorded in the tracing^s. Ten other pairs ha\e their deg^rees of inward lateral move- ment recorded in the central columns, but the tracings are not given. The average inward movement of these 16 pairs of condyles is 17*^ for the left condyle and 16^ for the right. To get the proper effect, hold the bottom of this illustra- tion nearly as high as the eye and look along the illustra- tion from bottom to top. The upper surface of this plate is marked in degrees, i for 10°, 2 for 20 , 3 for 30 . The plate on each side should be adapted to the degree determined by the Lateral Path Register. Use care to avoid mixing the sides. Close beside the hand screws governing the horizontal move- ments of the glenoid fossa plate, will be seen a set screw having holes through its top. The lower end of the Incisor Guide Pin fits the holes and the screw may be loosened by it. A slim metal pointer resting above a plate marked with degrees, will be seen, and when the screw is