A self-ligating attachment intended to form part of an orthodontic appliance, the external surface of said attachment being provided with a groove for receiving an orthodontic arch. A elastic clip that can be reversibly moved between an open position forming an open passage allowing the insertion of the arch into the groove and a closed position sealing the groove. A base including an external surface that supports the attachment and an occlusal surface which is intended to rest on one of the patients teeth, so as to hug the surface of the tooth. In addition, the base comprises a support for the attachment and said base assists in the guiding of the clip, cooperating with the attachment, as the clip moves between the open and closed positions.
