| 摘要 |
<p>1. A working place for preparing wire arches (A) for orthodontic works, said working place being characterized in that it comprises at least the following elements grouped in one set : a surface (1) to be lighted by transparency, for examining radiographs against the light, and an apparatus for controlling said surface lighting, a projector (2) of arch curve models with a translucent projection screen (3) and at least one control and/or adjustment apparatus (26), two electric terminals (4, 4') each able to receive one end of an arch (A) and each connected to one electric wire (4a, 4b), one of said wires being provided with a switch (5), a vat (6) for reduction of the arches (A) for receiving an etching agent or an electrolyte, a vat (7) able to receive an etching agent and/or electrolyte neutralizing solution, and mechanical connection means (8) maintaining associated all said elements and making said set look like a piece of furniture.</p> |
