| 摘要 |
A self-ligating orthodontic bracket includes a bracket body, a slide member, and a resilient member. The slide member is movable relative to the bracket body between an opened position, a first ligating position, and a second ligating position. In the first ligating position and in the second ligating position, a surface of the slide member bounds the archwire slot on a side generally opposite to the base surface to retain the archwire. The resilient member is configured to engage the other of the slide member and the bracket body and has a deformed state for biasing the slide member toward the base surface in at least one of the first and second ligating positions. In the first and second ligating positions, the base surface of the archwire slot and the surface of the slide member are separated by different distances. |
| 主权项 |
1. An orthodontic bracket for coupling an archwire with a tooth, comprising:
a bracket body configured to be mounted to the tooth, the bracket body including an archwire slot configured to receive the archwire therein and having a base surface that at least partly defines the archwire slot; a slide member movable relative to the bracket body between an opened position, a first ligating position, and a second ligating position, wherein in the first ligating position and in the second ligating position, a surface of the slide member bounds the archwire slot on a side generally opposite to the base surface; and a resilient member coupled to one of the slide member and the bracket body and configured to movably engage the other of the slide member and the bracket body, the resilient member being configured to bias the slide member toward the base surface of the archwire slot in at least one of the first and second ligating positions, wherein in the first ligating position, the base surface of the archwire slot and the surface of the slide member are separated by a first distance and, in the second ligating position, the base surface of the archwire slot and the slide member are separated by a second distance that is different from the first distance. |
