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US 11,717,382 B2Granted
Orthodontic or dental appliance
AssigneeHIT Health Intelligent Technologies AG
InventorMarkus Hirsch
Life of this patent
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Abstract
A method for producing an orthodontic or dental appliance includes laminating a layer of polyethylene terephthalate (PET) with a layer of polyethylene to form a multilayer film, forming the multilayer film into the shape of an orthodontic appliance, trimming the formed film to a desired shape, and removing the layer of polyethylene. In one embodiment, the appliance is a multi-layer structure formed from two adjacent layers of PET with a plurality of functional elements such as sensors or actuators between the two layers.
Claims6
A method for producing an orthodontic or dental appliance, comprising:
- laminating a layer of polyethylene terephthalate (PET) in the form of a sheet with a layer of polyethylene in the form of a sheet, prior to forming the orthodontic or dental appliance, to form a multilayer film,
- subsequently forming the multilayer film into the shape of the orthodontic or dental appliance;
- trimming each layer of the formed multilayer film to a desired shape;
- and
- subsequently removing the layer of polyethylene from the trimmed formed multilayer film after said step of trimming.
2 more elements
Dependencies are inferred from the claim text.