Dental crown
OwnerJohn Funginventor
Life of this patent
Estimating the term…
Abstract
A construction applicable to dental crowns, facings, inlays, and the like including a stainless steel wire mesh (3) shaped to fit closely over a prepared tooth remnant (1), and being integrally bonded to a cavity (11) of a crown body (4) so as to form an integral crown (5) ready for use. The integral crown (5) can be adhered to the remnant (1) in a conventional manner, for instance by using dental filler. The body (4) and mesh (3) are very strongly joined by a mechanical interlock action by virtue of the mesh texture.
Claims9
A method of manufacturing a dental prothesis comprising the steps of:
- shaping a textured corrosion resistant flexible insert to a general cup shape so as to fit over an outer surface of a prepared tooth remnant;
- forming a dental outer body shell of heat hardenable material which is partially fired, with an internal cavity and an external surface being of a tooth shape;
- coating the insert with a porcelain paint and positioning the insert into the cavity;
- and
- bonding the shell to the insert by further firing to complete the firing process of the body shell and bond the body shell to the insert.
A method as claimed in any one of the preceding claims wherein the insert is firstly shaped about a tooth remnant of a patient and removed therefrom before positioning it into the cavity of the tooth shell for subsequent firing.
Dependencies are inferred from the claim text.