| 摘要 |
A device for measuring inclination, angulation and rotation parameters of teeth has a rolling table on flat base that has a right and left screws with expansion spring, and on the surface of which a groove is cut in the form of parabola to accommodate two cotter pins with bearings, also placed on a tripod, which made immovable, with two laser sources (vertical and horizontal) and measuring element in the form of spherical graduated scale, divided into upper and lower parts, in the center of each of which on the mark "0" is the opening for the passage of laser beam on L-shaped mirror, fixed to a rod that is attached to the rack bushings, ground to the face of the table, to determine the level of the occlusal plane made removable, with constant height, and L-shaped. |
