Title:
多層歯科装具
Document Type and Number:
Japanese Patent JP7394858
Kind Code:
B2
Abstract:
A dental appliance for positioning a patients teeth includes a polymeric shell with a plurality of cavities for receiving one or more teeth. The polymeric shell includes at least 3 alternating polymeric layers AB, wherein layer A includes a thermoplastic polymer A, layer B includes a thermoplastic polymer B, and the thermoplastic polymer B is different from the thermoplastic polymer A. Each of the thermoplastic polymers A and B have a flexural modulus of about 1.0 GPa to about 4.0 GPa; and each of the thermoplastic polymers A and B have a glass transition temperature (Tg) greater than about 40° C.
Inventors:
Riu, Richard Jufen
Scumsel, Daniel Jay.
Veramakanni, Vasker buoy.
Lane, Nathaniel Eye.
Hirsch, Michelle A.
Peklobsky, Lud Mira A.
Scumsel, Daniel Jay.
Veramakanni, Vasker buoy.
Lane, Nathaniel Eye.
Hirsch, Michelle A.
Peklobsky, Lud Mira A.
Application Number:
JP2021538201A
Publication Date:
December 08, 2023
Filing Date:
December 30, 2019
Export Citation:
Assignee:
3M Innovative Properties Company
International Classes:
A61C7/08
Domestic Patent References:
| JP2020522405A | ||||
| JP2009000555A |
Foreign References:
| US20130302742 |
Attorney, Agent or Firm:
Ken Fujii
Taro Akazawa
Wakako Nomura
Tsukuda Seigen
Hideto Asamura
Taro Akazawa
Wakako Nomura
Tsukuda Seigen
Hideto Asamura
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