| 摘要 |
<p>That portion of any bony anchor which protrudes from the bone can have placed on it a head to which a connector assembly is attached. The free end of this connector assembly attaches to a bar and rigidly holds the bar in place. On the bar, a variety of attachments are placed thereby extending the influence of the bony anchor to other, more ideal locations from which to apply forces to move teeth in all directions. <IMAGE></p> |
