Dental appliance with functional structures and transfer articles used in forming such appliances

Patent metadata

Field	Value
Publication number	US-12544190-B2
Application number	US-202017788013-A
Country	US
Kind code	B2
Filing date	Dec 29, 2020
Priority date	Dec 30, 2019
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A transfer article includes an acrylate layer releasable from a release layer including a metal layer, a metal oxide layer, or a doped semiconductor layer at a release value of from 2 to 50 grams/inch (0.8 to 20 g/cm). A functional layer overlies the acrylate layer, wherein the functional layer includes at least one layer of a functional material selected to provide at least one of a therapeutic, aesthetic or cosmetic benefit on a dental appliance in a mouth of a patient, and wherein the transfer article has a thickness of less than 3 micrometers. A pattern of a transfer material is on a major surface of the functional layer, wherein the transfer material includes an adhesion modifying material chosen from release materials and adhesives.

First claim

The invention claimed is:

1 . A dental appliance for positioning at least one tooth of a patient, the dental appliance comprising:
a polymeric shell comprising a plurality of cavities for receiving one or more teeth, wherein an interior surface of the polymeric shell comprises a pattern of discrete functional structures, wherein the discrete functional structures comprise a functional layer, and wherein the functional layer comprises a stack of inorganic layers including a layer of silver oxide and a layer of silicon aluminum oxide.

2 . The dental appliance of claim 1 , wherein the discrete functional structures comprise a plurality of acrylate layers with at least two different thicknesses.

3 . The dental appliance of claim 1 ,
wherein the discrete functional structures have a feature spacing of 100 microns to 2000 microns.

4 . The dental appliance of claim 1 ,
wherein the functional layer further comprises an antimicrobial agent, and wherein the antimicrobial agent is chosen from metal oxide, Ag, and mixtures and combinations thereof.

5 . The dental appliance of claim 1 ,
wherein the dental appliance transmits at least 75% of visible light.

6 . The dental appliance of claim 1 ,
wherein the functional layer is configured to deliver fluoride over a wear time of 7 days.

7 . The dental appliance of claim 1 , wherein the layer of silicon aluminum oxide has a thickness in a range of 5 nm to 100 nm.

Assignees

• Solventum Intellectual Properties Company

Inventors

• Velamakanni Bhaskar V
• Gotrik Kevin W
• Reddy Kevin T
• Jones Scott J
• Stay Matthew S
• Smith Matthew R D
• Wang Yizhong
• Pekurovsky Mikhail L
• Stepanova Narina Y

Classifications

• B32B2255/10

  on synthetic resin layer or on natural or synthetic rubber layer · CPC title

• B32B27/308

  comprising acrylic (co)polymers · CPC title

• B32B2535/00

  Medical equipment, e.g. bandage, prostheses or catheter · CPC title

• B32B2255/205

  Metallic coating · CPC title

• B32B2255/20

  Inorganic coating · CPC title