| 摘要 |
The element (1) has three slots for retaining an orthodontic treatment arc. A mating face engages with an orthodontic treatment rail (5) to exert rotational torques and/or forces on a tooth (3) during orthodontic intervention. The slots exhibit a circular, quadratic, rectangular or polygonal shaped cross-section and are arranged in a central occlusal-gingival direction. The element comprise a Teflon (RTM: PTFE) coating and is made of a ceramic material, a plastic material or metal. A form and a size of a tooth bonding surface are adapted to the tooth. An independent claim is also included for a guide element set. |
