在第二构造中，正牙孔圈(12)允许耦合至正牙矫正设备(14)。

In the second configuration the orthodontic eyelet (12) permits coupling to an orthodontic corrective device (14).

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可卷曲部分（18）连接至可伸缩部分（19），并且配置成用于 耦合至矫正设备（14）。

The crimpable portion (18) is attached to the telescopable portion (19) and is configured for coupling to a corrective device (14).

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作为选择地或者作为附加地，绑扎结构(53)可以配置成限制矫正设备(16)在横切轴线的方向上的移动。

Alternatively or additionally, the ligating structure (53) may be configured to restrict movement of the corrective device (16) in a direction transverse to the axis.

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