| 摘要 |
PURPOSE: A self-ligation type teeth bracket is provided to prevent the discoloration of the bracket and the damage of teeth and to lower the price of the bracket by shortening operational processes. CONSTITUTION: A self-ligation type teeth bracket includes a body(210) and a cap spring(220). A fastening part is formed at one side of the body, and a straightening wire is inserted into the fastening part. An attaching part is formed at another side of the body. A groove, a plurality of protrusions, supporting protrusions, guiding protrusions, and a hooking space are formed in the body. An elastic fixed part is formed at one side of the cap spring. An elastic hooking part is formed at another side of the cap spring. A bending part is formed at end part of the elastic fixed part. The bending part of the elastic fixed part is inserted between the supporting protrusions of the body. The elastic hooking part is inserted into the hooking space of the body.
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