Process of making a dental prosthesis
AssigneeDentsply Research & Development Corp.
InventorsAndrew M. Lichkus, William James Schiffer, Jr., Craig L. Nalbone, Michael L. DeCavalcante
Life of this patent
Estimating the term…
Abstract
The invention provides a method of making a removable partial dental prosthesis by molding a removable partial dental prosthesis having a base, an artificial tooth and a clasp. The artificial tooth is supported by said base. The base is integrally connected to the clasp. The base includes pigment and is substantially opaque. The clasp is effectively free of pigment and is substantially transparent. The base is formed to mate with oral mucosa for support of the prosthesis thereon.
Claims4
A method for making a removable partial dental prosthesis comprising:
- molding a removable partial dental prosthesis having a base, an artificial tooth and a clasp,
- said artificial tooth being supported by said base,
- said base being integrally connected to said clasp,
- said base comprising pigment and being substantially opaque,
- said clasp being effectively free of pigment and being substantially transparent,
- said base being formed to mate with oral mucosa for support of said prosthesis thereon.
A method for making a removable partial dental prosthesis, comprising:
- providing a mold having a mold cavity and containing said artificial tooth,
- injecting substantially transparent thermoplastic into a first portion of said mold cavity, and
- injecting substantially opaque thermoplastic into a second portion of said mold cavity,
- removing said removable partial dental prosthesis from said mold, removable partial dental prosthesis having an artificial tooth and an opaque base comprising pigment integrally connected to a substantially transparent clasp.
A method for making a dental prosthesis comprising:
- injection molding a dental prosthesis having a base, an artificial tooth and a clasp, said base being integrally connected to said clasp, said artificial tooth being supported by said base, said base comprising pigment and being substantially opaque, said clasp being effectively free of pigment and being substantially transparent, said base being formed to mate with oral mucosa for support of said prosthesis thereon.
Dependencies are inferred from the claim text.