MULTILAYER DENTAL APPLIANCES AND RELATED METHODS AND SYSTEMS
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Jul 3, 2024
filing date -
Jul 3, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A dental appliance for positioning a patient's teeth includes a removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to directly receive at least some of the patient's teeth and apply a resilient positioning force to the patient's teeth. The appliance includes a hard polymer layer having a hard polymer layer elastic modulus disposed between a first soft polymer layer having a first soft polymer layer elastic modulus and a second soft polymer layer having a second soft polymer layer elastic modulus. The hard polymer layer elastic modulus is greater than each of the first soft polymer layer elastic modulus and the second soft polymer layer elastic modulus. At least one of the first soft polymer layer and the second soft polymer layer has a flexural modulus of greater than about 35,000 psi.
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International Classification(s)
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- A61C:DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL....
- A63B:APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMM....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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