Patterned dental positioning appliances
AssigneeAlign Technology, Inc.
InventorsChunhua Li, Yan Chen
Life of this patent
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Abstract
Patterned dental positioning appliances including a shell having cavities shaped to receive and exert repositioning forces on one or more teeth of a subject's dentition. The shell may include a first cavity having a first raised pattern configured to exert a first force on a first tooth of the one or more teeth, and a second cavity having a second raised pattern configured to exert a second force on a second tooth of the one or more teeth. The second raised pattern may be different than the first raised pattern.
Claims20
A removable dental positioning appliance, comprising:
- a shell having a plurality of cavities shaped to receive and exert repositioning forces on one or more teeth of a subject's dentition, the shell comprising:
- a first cavity of the plurality of cavities having a first raised pattern configured to exert a first force on a first tooth of the one or more teeth, and
- a second cavity of the plurality of cavities having a second raised pattern configured to exert a second force on a second tooth of the one or more teeth, wherein the second raised pattern is different than the first raised pattern.
A system of removable dental positioning appliances, comprising:
- a plurality of successive removable dental positioning appliances, each of the plurality of successive removable dental positioning appliances including a shell having a plurality of cavities shaped to receive and exert repositioning forces on one or more teeth of a subject's dentition according to a stage of a treatment plan, wherein at least one shell of the plurality of successive removable dental positioning appliances comprises:
- a first cavity of the plurality of cavities having a first raised pattern configured to exert a first force on a first tooth of the one or more teeth, and
- a second cavity of the plurality of cavities having a second raised pattern configured to exert a second force on a second tooth of the one or more teeth, wherein the second raised pattern is different than the first raised pattern.
Dependencies are inferred from the claim text.