Patent ID: 8083521
Filing Date: 2011-12-27
Classification: A61C

Abstract:
1. Anchor apparatus for orthodontic appliances for moving a molar, comprising: a first anchor for attachment to a cortical bone adjacent to one side of the molar, and a second anchor for attachment to said first anchor and being disposed on the side of the molar opposite to said one side, said first and second anchors being substantially longitudinally aligned with each other to minimize the space taken up by said anchors adjacent to the molar, wherein said first anchor is elongated and comprises a first outer head portion for attachment to an orthodontic appliance, and a first threaded portion for extending through the cortical bone to the opposite side, wherein said second anchor comprises a second outer head portion for attachment to an orthodontic appliance, and an inner threaded bore in which said first threaded portion of said first anchor is adapted to be threadably received for attaching said first and second anchors together, wherein said second anchor further comprises a second outer threaded portion that is larger than and near said second head portion thereof for engagement with gum tissue adjacent to the cortical bone on the opposite side, and wherein said first anchor further comprises a third outer threaded portion that is larger than and near said first head portion for engagement with gum tissue adjacent to the cortical bone.