The present invention relates to an improved method of and dental flask, suitable for use with a dental reline jig for the purpose of cold pour acrylic processing of dentures, acrylic implant retained bridges and other dental prosthesis as well as any other manufactured products using conventional flask techniques and materials.

Disclosed is a method of manufacturing a denture prosthesis by using a denture molding flask made of heterogeneous materials, the denture molding flask being composed of a left body (110) and a right body (120) coupled to each other to form an assembled structure, in which: a resin injection hole (104) is formed at a top portion of the assembled structure; an investment material injection hole (103) is provided to be spaced from the resin injection hole (104); a wax outlet (106) is formed at a bottom portion of the assembled structure such that molten wax is discharged out of the assembled structure when a wax denture base and an investment material in the assembled structure are heated and melted; and a void that is formed due to the wax denture base being melted is refilled with resin, wherein the left and right bodies (110, 120) are made of different materials.

Disclosed is a method of manufacturing a denture prosthesis by using a denture molding flask made of heterogeneous materials, the denture molding flask being composed of a left body (110) and a right body (120) coupled to each other to form an assembled structure, in which: a resin injection hole (104) is formed at a top portion of the assembled structure; an investment material injection hole (103) is provided to be spaced from the resin injection hole (104); a wax outlet (106) is formed at a bottom portion of the assembled structure such that molten wax is discharged out of the assembled structure when a wax denture base and an investment material in the assembled structure are heated and melted; and a void that is formed due to the wax denture base being melted is refilled with resin, wherein the left and right bodies (110, 120) are made of different materials.

A processing target mold is usable to form, by molding, a processing target to be shaved by a shaving device. The processing target includes a hold portion held by the shaving device, a target portion to be formed into a post-shaving item, and a coupling portion coupling the hold portion with the target portion. A main body of the processing target mold includes a bottom member, an outer frame member extending upward from the bottom member, and a protruding member extending upward from a portion of the bottom member that is enclosed by the outer frame member as seen in a plan view. The main body includes an injection space enclosed by the bottom member and the outer frame member. A material is injected into the injection space. The injection space includes a hold space, a target space and a coupling space in which the hold portion, the target portion and the coupling portion are respectively formed by molding.