| 摘要 |
Sectional or modular impression tray characterized by the fact that said impression tray is composed by a "U" shaped plain base with a handle for the grasp (1), and an "oval hole" (3) set at the two final distal points of the "U", and its vestibular arc (23) with a rectangular shaped "hole for the handle" (6) located down in the center to insert the handle for the grasp (1) and its two "internal guides" (7) to stabilize the impression tray, with a "hook for the pliers" (8) set just above the grasp handle hole, and to obtain the final impression tray this vestibular arc fits with one base through the "hole for the handle" (6). |
