An orthodontic appliance, comprising: one or more orthodontic brackets; and an archwire configured to engage the one or more orthodontic brackets, the archwire comprising a male fastener configured to engage one of the one or more brackets, wherein the male fastener comprises: a mesial leg; a distal leg; and a projection between the mesial leg and the distal leg, the projection extending laterally away from a longitudinal axis of the archwire; and each of the one or more orthodontic brackets comprising: a mesial slot configured to removably secure the mesial leg of the male fastener to the bracket and prevent movement of the mesial leg in the occlusal and gingival direction relative to the bracket; a distal slot configured to removably secure the distal leg of the male fastener to the bracket and prevent movement of the distal leg in the occlusal and gingival direction relative to the bracket; a channel configured to receive at least a portion of the projection; and a stop comprising a projection configured to be positioned between the mesial and the distal legs of the male fastener. one or more orthodontic brackets; and an archwire configured to engage the one or more orthodontic brackets, the archwire comprising a male fastener configured to engage one of the one or more brackets, wherein the male fastener comprises: a mesial leg; a distal leg; and a projection between the mesial leg and the distal leg, the projection extending laterally away from a longitudinal axis of the archwire; and each of the one or more orthodontic brackets comprising: a mesial slot configured to removably secure the mesial leg of the male fastener to the bracket and prevent movement of the mesial leg in the occlusal and gingival direction relative to the bracket; a distal slot configured to removably secure the distal leg of the male fastener to the bracket and prevent movement of the distal leg in the occlusal and gingival direction relative to the bracket; a channel configured to receive at least a portion of the projection; and a stop comprising a projection configured to be positioned between the mesial and the distal legs of the male fastener. a mesial leg; a distal leg; and a projection between the mesial leg and the distal leg, the projection extending laterally away from a longitudinal axis of the archwire; and each of the one or more orthodontic brackets comprising: a mesial slot configured to removably secure the mesial leg of the male fastener to the bracket and prevent movement of the mesial leg in the occlusal and gingival direction relative to the bracket; a distal slot configured to removably secure the distal leg of the male fastener to the bracket and prevent movement of the distal leg in the occlusal and gingival direction relative to the bracket; a channel configured to receive at least a portion of the projection; and a stop comprising a projection configured to be positioned between the mesial and the distal legs of the male fastener. a mesial slot configured to removably secure the mesial leg of the male fastener to the bracket and prevent movement of the mesial leg in the occlusal and gingival direction relative to the bracket; a distal slot configured to removably secure the distal leg of the male fastener to the bracket and prevent movement of the distal leg in the occlusal and gingival direction relative to the bracket; a channel configured to receive at least a portion of the projection; and a stop comprising a projection configured to be positioned between the mesial and the distal legs of the male fastener.