Automatic placement of precision cuts
First Claim
1. A computer-implemented method of trimming an orthodontic positioning appliance having teeth receiving cavities, the method comprising:
- receiving material including a portion having the shape of an orthodontic positioning appliance having teeth receiving cavities;
receiving a digital representation of trimming instructions, the trimming instructions including an elastic band receiving member cutout line or a hook cutout line, wherein the elastic band receiving member cutout line or the hook cutout line defines a gingival-facing surface of the orthodontic positioning appliance; and
cutting the material along the elastic band receiving member cutout line or the hook cutout line with a cutting element.
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Accused Products
Abstract
An orthodontic positioning device and methods for making an orthodontic positioning device including a first patient removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to receive and apply a resilient positioning force to a patient'"'"'s teeth provided in one of an upper jaw and a lower jaw. The first appliance includes a hook configured to receive an orthodontic elastic band. The orthodontic positioning device also includes a second patient removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to receive and apply a resilient positioning force to a patient'"'"'s teeth provided in the other of the upper jaw and the lower jaw. The second appliance includes a cutout operable to expose an orthodontic elastic band receiving member.
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Citations
20 Claims
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1. A computer-implemented method of trimming an orthodontic positioning appliance having teeth receiving cavities, the method comprising:
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receiving material including a portion having the shape of an orthodontic positioning appliance having teeth receiving cavities; receiving a digital representation of trimming instructions, the trimming instructions including an elastic band receiving member cutout line or a hook cutout line, wherein the elastic band receiving member cutout line or the hook cutout line defines a gingival-facing surface of the orthodontic positioning appliance; and cutting the material along the elastic band receiving member cutout line or the hook cutout line with a cutting element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification