A dental polishing paste and a method of surface finishing a dental ceramic with the dental polishing paste is described. The dental polishing paste includes 60 to 90 weight percentage (wt. %) glycerin; 7.5 to 17.5 wt. % inorganic nanoparticles such as, diamond or zirconia, having a mean particle size of 5 to 25 nanometer (nm); and 2.5 to 32.5 wt. % additive, each based on a total weight of dental polishing paste.

The present invention provides a dental formulation for the treatment of tooth sensitivity, wherein the formulation comprises specifically engineered apatite particles, having an ideal morphology, size and density for the occlusion of dentinal tubules.

The present invention provides a dental formulation for the treatment of tooth sensitivity, wherein the formulation comprises specifically engineered apatite particles, having an ideal morphology, size and density for the occlusion of dentinal tubules.

What is described is a dental light-curable composition for elective production of a visible restoration in the anterior region or for filling of a cavity in the posterior region, comprising a total amount (A) of free-radically polymerizable monomers, where this total amount (A) consists of one, two, three or more than three free-radically polymerizable monomers and has a refractive index n.sub.A, 470nm in the range from 1.470 to 1.560, a total amount (B1) of nonaggregated and nonagglomerated inorganic filler particles having a particle size in the range from 7 to 70 nm, where this total amount (B1) has a refractive index n.sub.B1, 470nm in the range from 1.460 to 1.570 and where this total amount (B1) is in the range from 10 to 30 percent by volume, based on the overall dental light-curable composition, a total amount (B2) of inorganic filler particles having a particle size in the range from 0.12 μm to 10 μm, where this total amount (B2) has a refractive index n.sub.B2,470nm in the range from 1.450 to 1.560, and a total amount (C) of photoinitiators.

Disclosed herein are systems and methods for processing waste egg shells into (i) a first product including calcified egg shell particles having diameters of 3μ or less, and (ii) a second product including calcified egg shell particles having diameters in a range from about 3μ to about 7μ. The first product may be used as a CaCO.sub.3 substitute for paint compositions and plastics compositions. The second product may be used as a CaCO.sub.3 blasting media substitute for use with abrasive blasting equipment.

The present invention relates to a kit for indirect production of composite inlays, comprising a polymerizable material for production of a dental model, a polymerizable material for production of an inlay, a polymerizable material for luting of a crosslinked and non-sand-blasted, non-silanized, non-etched, non-primed and non-roughened composite inlay, the surfaces of which have been fully polymerized, in the cavity. Also disclosed is a polymerizable material for increasing the bond strength between the polymerizable material for luting of a crosslinked non-sand-blasted, non-silanized, non-etched, non-primed and non-roughened composite inlay, the surfaces of which have been fully polymerized, in the cavity, and the hard substance of the tooth, and an acid solution for surface etching of the hard substance of the tooth. The invention further relates to methods for producing a composite inlay.

The present invention relates to a curable dental material, to a cured dental material producible therefrom by polymerization, to a method for producing the curable or cured dental material and to the use of the curable or cured dental material.

The invention relates to a highly flowable crosslinkable medical or dental composition comprising a crosslinkable compound, a polymerization initiator and a heterogeneous radiopacifier. Also described is a crosslinked polymer composition obtainable by crosslinking said highly flowable, crosslinkable medical or dental composition and the use of said highly flowable crosslinkable medical or dental composition to fill cavities or hollow structures in human or animal subjects.

The invention relates to a highly flowable crosslinkable medical or dental composition comprising a crosslinkable compound, a polymerization initiator and a heterogeneous radiopacifier. Also described is a crosslinked polymer composition obtainable by crosslinking said highly flowable, crosslinkable medical or dental composition and the use of said highly flowable crosslinkable medical or dental composition to fill cavities or hollow structures in human or animal subjects.

The present invention provides a dentinal tubule occlusion material excellent in terms of initial degree of dentinal tubule occlusion, resistance of dentinal tubule occlusion to acids, handling properties, and storage stability. The present invention relates to an one-pack type dentinal tubule occlusion material comprising fluorapatite particles (A) having an average particle diameter of 0.6 to 10 μm, inorganic particles (B) having an average particle diameter of 0.6 to 10 μm and reactive with water to form apatite, and a non-aqueous dispersant (C).