| 摘要 |
The present invention encompasses supports (Figures 1, 2, 3, 4) with horizontal (6, 10) and vertical (5, 9) crossed inner grooves at their basis, at the same level or not, superposed or not (Figure 2), whose retaining means may be direct for rings (21) or with screens (2) to provide for better adhesive power, permitting direct attachment on teeth. Supports with crossed inner grooves (5, 6, 9, 10), object of the present invention, are designed to permit passage of square, rectangular and rounded wires (16), of different metal alloys, permitting dentist to use additional stationary (17) or mobile (18, 19, 20) levers to correct pivotal movements, torsions, etc., and facilitating alignment and levelling of teeth, since it is possible to provide hooks (23) to use rubbers, springs and other means utilized additionally for teeth movement. Tubular support (Figure 4) is also characterized in that it may have welded at its feet (14, 14a) a tubular section (12) to provide passage for wires (16) through their inner groove (13), with a jag for utilization of tying wires and rubbers. |
