CPC A61C 7/08 (2013.01) [A61C 7/002 (2013.01)] | 22 Claims |
1. A dental appliance comprising:
a shell of polymeric material configured to implement a stage of a treatment plan, the shell comprising:
a plurality of tooth-receiving cavities having an inner surface that conforms to contours of a plurality of teeth of a first jaw, wherein the inner surface of the tooth-receiving cavities is configured to receive and resiliently reposition at least a portion of the plurality of teeth of the first jaw from an arrangement toward a second arrangement, a posterior tooth-receiving cavity of the plurality of tooth-receiving cavities configured to accept a posterior tooth of the plurality of teeth, wherein the posterior tooth-receiving cavity has side walls configured to extend to at least a gumline of the first jaw on a lingual side and a labial side of the posterior tooth; and
a tab coupled to the posterior tooth-receiving cavity, the tab comprising:
an exterior surface having a contoured surface configured to mate with a contoured surface of an opposing dental appliance on a second jaw opposing the first jaw; and
an interior surface opposite to the exterior surface, the interior surface configured to receive a coronal surface of an erupting tooth and manage eruption of the erupting tooth during the stage of the treatment plan.
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