Abstract: A dental material of a metal composition for reinforcing the metal framework of a dental restoration comprising an aggregate combination of metal particles including a first high fusing temperature precious metal component and a second low fusing temperature precious metal component. The particles of the first component are in a proportion of 1-15% by volume of the total composition and have a particle size at least about five times larger than the particle size of the second component.

Abstract: A metal foil for forming a dental coping in the construction of a dental restoration comprising at least two or more layers of precious metal with a disc-like shape and a cross-section of variable thickness and/or an undulating surface geometry.

Abstract: The invention relates to the construction of a prefabricated pontic for use in constructing a dental bridge. The prefabricated pontic has a framework that is adjustable in that it is comprised of a plurality of pliable metal members which interconnect for an open skeleton framework including an elongated central member extending lengthwise from the mesial to the distal and at least two members having open ends which overlap the central member at the mesial and distal ends with the open ends being separable from each other for adjusting the framework.

Abstract: A dental material and method for forming, reinforcing or repairing a dental restoration comprising a combination of a high fusing temperature metal component in a major proportion and a low fusing temperature component in a minor proportion. A binder may be added to form a putty-like consistency. The dental material is molded into a predetermined shape and heat treated at a temperature which will substantially melt the low fusing metal components but below the melting temperature of the high fusing metal component for forming a porous, sponge-like mass of interconnected particles of the high fusing temperature metal component. A filler material having a low melting temperature is then added to the porous mass and the mass is again treated to form a solid mass.

Abstract: A method and prosthesis assembly for fabricating a dental bridge to abutment teeth upon which metal retaining members have been mounted comprising suspending a pontic having non rigid arm rests extending from opposite ends thereof between the occlusal surfaces of the metal retaining members, adjusting the position of the arm rests to establish a desired alignment between the pontic and the abutment teeth, spot welding each arm rest to the occlusal surface of each retaining member to form a welded joint and soldering the interproximal space between each retaining member and the pontic. To facilitate the spot welding operation a metal spacer is interposed between the arm rest and the retaining member.

Abstract: A metal dental coping foil for dental restoration, having a high fusing temperature layer composed of a precious metal palladium-gold alloy and at least two precious metal gold layers symmetrically disposed about the palladium-gold layer.

Abstract: A dental crown restoration which comprises a metal coping and a relatively thick outer coating of a ceramic dental veneer. The metal coping is composed of a lamination of a low fusing temperature precious metal component substantially or entirely of gold and a high fusing temperature precious metal component. The high fusing component is formed from three layers with one layer composed of from 90 to 100% palladium bounded on both sides by a gold based layer.

Abstract: The dental jacket crown of the present invention is prepared from a thin metal foil substrate which is coated with a noble based metal composition having a low fusing temperature and folded in a predetermined manner to form multiple folds in the form of triangular like flaps or pleats. The folded foil represents the coping of the present invention. The coping is mounted over a die of the prepared tooth and the flaps wrapped in overlapping formation and then adapted to the die. The die is removed and the structure heated preferably under a bunsen burner. A bonding material may be coated over the free standing structure if desired. A veneering material such as porcelain is then coated over the structure to form the crown.

Abstract: The dental jacket crown of the present invention is prepared from a thin metal foil substrate which is coated with a noble based metal composition having a low fusing temperature and folded in a predetermined manner to form a multiple number of triangular like flaps or pleats. The folded foil represents the coping of the present invention. The coping is mounted over a die of the prepared tooth and the flaps wrapped in overlapping formation and then adapted to the die. The die is removed and the structure heated preferably under a bunsen burner. A veneering material such as porcelain is then coated over the structure to form the crown.

Abstract: A method of forming a clinically unbreakable composite structure between a noble based metal and a ceramic comprising depositing a thin layer of a bonding material including finely divided particles of a noble metal halide alone or in combination with particles of a noble metal; sintering the layer at a predetermined temperature between 1775.degree. F. and 1975.degree. F. and firing a ceramic over the sintered coating.

Abstract: A process for producing and intermediate layer between a high-melting dental alloy and a dental porcelain which comprises applying to said high-melting dental metal alloy a composition comprising.(a) at least a metal or a metal alloy which is thermally stable at a temperature of at least 800.degree. C.;(b) gold or a gold compound which decomposes to metallic gold, or a gold alloy;(c) at least one flux; and(d) aluminum and/or solver or an aluminum-silver alloy or a silver compound which decomposes two metallic silver, in a liquid vehicle (A) in which component (c) is at least partially soluble, drying the so-treated high-melting dental metal alloy and sintering said composition and thereafter treating the so-sintered composition with a liquid (B) in which the non-metallic components of said composition are at least partially soluble.

Abstract: The dental restorative structure of the present invention comprises a porcelain superstructure surrounding a metal substructure composed of a framework of relatively thin metal rod-like members. The rod-like members extend gingivally from a relatively crescent shaped member. An additional upright brace extends toward the incisal edge of the restoration and includes an opening for forming a porcelain pocket between the brace and the crescent shaped member.

Abstract: The reinforced jacket crown of the present invention comprises an inner structure including a thin metal foil of platinum conforming in shape to the tooth preparation to be restored, at least one fired on coating of a composition of finely divided particles of from about 1 to 100% by weight of a noble metal halide in combination with from zero to 99% by weight of a noble based metal and a relatively thick fired on outer coating of dental porcelain.

Abstract: The dental restorative structures of the present invention comprise a porcelain superstructure surrounding a metal substructure composed of a framework of relatively thin metal members interconnected to form concavities within the porcelain superstructure.