Orthodontic bracket

An orthodontic bracket (1) comprises;

• a bracket body (3),
• one or a plurality of slot portions (7, 9) fixed to the bracket body (3) for passing a wire (5), and
• an auxiliary tool attachment portion (13) fixed to the bracket body (3) for attaching an auxiliary tool, wherein the auxiliary tool is different from the wire,
• wherein the auxiliary tool attachment portion (13) comprises;
• a body portion (15), and
• an opening and closing portion (17) for opening and closing the body portion (15), wherein the opening and closing portion (17) is a part of the body portion and the opening and closing portion are configured to be repeatedly opened and closed,
• wherein, when the opening and closing portion is closed, the body portion forms a ring and the opening and closing portion is a part of the ring formed by the body portion, and the ring-shaped body portion has an area surrounded by a ring facing the bracket body (3) and the ring-shaped body portion defining a closed loop,
• wherein at least a part of an area surrounded by the ring-shaped body portion is spaced from a surface of the bracket body (3) to define a space for receiving the auxiliary tool,
• wherein the opening and closing portion (17) is located at a portion of the ring-shaped body portion that is not in contact with the bracket body (3),
• wherein the auxiliary tool attachment portion (13) has a carabiner structure.