A retainer for straightening and/or for maintaining the front teeth positioning achieved during orthodontic therapy, having at least two connection pieces for fastening the retainer on one tooth in each case and having a connection wire for establishing a connection among the teeth and/or for forming a constraint to restrict the movement capabilities of the connected teeth. In order to be able to prevent compensation reactions by the body, the connection wire is movably mounted in at least one of the connection pieces.
