Gc Corporation

Takayuki Michii

Kazuhisa Kashiwabara

Kiyotaka Nakao

Hiroshi Kamohara

Tomohiro Kumagai

Keiichi Sasaki

A method for designing dentures according to which artificial teeth can be easily and accurately attached to a denture base, which is designed and shaped by CAD/CAM, when the artificial teeth are arranged on the denture base is provided. The method for designing a denture () on a computer based on data on an intraoral shape comprises: creating data on a shape of a denture base () based on the intraoral shape (S); creating data on a position of an artificial tooth () to be arranged on the denture base (S); and creating data on a shape of an occlusal guide () that is tabular and has a recess part corresponding to a shape of the arranged artificial tooth in an occlusal surface side (S).

Method for designing denture, method for producing denture and positioning means

Dental impression tray

Provided is an impression tray with which three-dimensional data is easily obtained, including an upper jaw impression tray and lower jaw impression tray, wherein the upper jaw impression tray includes an upper jaw impression tray main bodyincluding a surface where the impression material is to be placed; the lower jaw impression tray includes a lower jaw impression tray main body including a surface where the impression material is to be placed; a handle is attachably and detachably provided on at least either one of the upper jaw impression tray main body and lower jaw impression tray main body; and the handle, having a posture of attachment, projects from at least any one of a labial side, the upper jaw impression tray excepting the surface where the impression material is to be placed, and lower jaw impression tray excepting the surface where the impression material is to be placed.

Impression tray

Dental tray retainer

Dental tray

Growing community of inventors

Tokyo, Japan

Takayuki Michii