Patent ID: 8714974

Claim:
An orthodontic assembly comprising: a buccal tube appliance including a base for bonding to a tooth surface and a body extending outwardly from the base, the body including first wall portions defining an archwire slot extending in a mesial-distal direction and second wall portions defining a passage extending in a generally mesial-distal direction; and an attachment module releasably connected to the buccal tube appliance, the attachment module including a shank having a longitudinal axis and extending into the passage and a first rotation stop extending in a direction generally parallel to the shank to a free end located in an occlusal-gingival direction from the shank, the first rotation stop including a longitudinal axis generally parallel to the longitudinal axis of the shank, the first rotation stop protruding across at least a portion of the body and located outside the passage in a facial direction relative to at least a portion of the body, the attachment module also including a second rotation stop having a generally flat surface, wherein the attachment module includes a first segment that comprises the first rotation stop and a second segment that comprises the second rotation stop, wherein the attachment module further comprises a section that integrally interconnects the first segment and the second segment and enables relative movement of the segments between an open state and a closed state, wherein, during use in the closed state, the second stop is located outside the passage in a lingual direction relative to the shank and the flat surface extends along a portion of the body adjacent a lingual, wall portion of the passage between the body and the tooth surface, wherein the second segment includes a pair of spaced apart pegs that straddle and receive a free end of the shank in the closed state, the pegs not receiving the shank in the open state, such that the open state allows for insertion of the shank into the passage.