US 11,051,917 B2
Prosthesis as well as retrofit kit for a prosthesis
Robert Wolfgang Krybus, Oberschan (CH); Andreas Häfele Clemens, Weiler (AT); Konrad Hagenbuch, Haag (CH); and Roger Frei, Heerbrugg (CH)
Assigned to Ivoclar Vivadent AG, Schaan (LI)
Filed by Ivoclar Vivadent AG, Schaan (LI)
Filed on Jul. 29, 2019, as Appl. No. 16/524,520.
Claims priority of application No. 18187282 (EP), filed on Aug. 3, 2018.
Prior Publication US 2020/0038151 A1, Feb. 6, 2020
Int. Cl. A61C 13/01 (2006.01); A61C 13/25 (2006.01)
CPC A61C 13/01 (2013.01) 15 Claims
OG exemplary drawing
 
1. A dental prosthesis comprising
a prosthesis base, and
teeth which are attached to the prosthesis base,
wherein the prosthesis base comprises a ventilation element,
wherein the ventilation element comprises a ventilation valve,
wherein the ventilation valve is combined with a bleed valve,
wherein both the ventilation valve and the bleed valve close automatically under pretension and only the ventilation valve may be opened by manual actuation, and
wherein a valve body of the ventilation valve and the bleed valve ends in a valve body lip which extends on a tooth side of the prosthesis base and covers and closes the valve opening in the manner of a suction cup lip.
 
14. A retrofit kit for a dental prosthesis comprising
a prosthesis base having a valve body which is configured to be inserted into a valve opening to be installed in the prosthesis base, and is attachable thereat by adhesive bonding or polymerization, and
wherein the valve body is a ventilation valve combined with a bleed valve,
wherein both the ventilation valve and the bleed valve close automatically under pretension and only the ventilation valve may be opened by manual actuation, and
wherein the valve body of the ventilation valve and of the bleed valve ends in a valve body lip which extends on a tooth side of the prosthesis base and covers and closes the valve opening in the manner of a suction cup lip.