Aerogel, calcined articles, and crystalline articles comprising ZrO.sub.2. Exemplary uses of the crystalline metal oxide articles include dental articles (e.g., restoratives, replacements, inlays, onlays, veneers, full and partial crowns, bridges, implants, implant abutments, copings, anterior fillings, posterior fillings, and cavity liner, and bridge frameworks) and orthodontic appliances (e.g., brackets, buccal tubes, cleats, and buttons).

The present invention relates to devices and systems for detecting the existence of oral conditions. In one aspect, the invention is a device including a detector capable of detecting a marker of an oral condition; a self-contained indicator that is actuated by a signal from the detector, wherein the indicator is one of a structural indicator adapted to undergo a physical change that is haptically perceptible, a dye adapted to be released into a user's mouth, and a flavor adapted to be released into a user's mouth; and wherein said device is detachably securable to an oral care implement.

The present invention provides a dental color tone adjustment material kit that has improved properties in terms of surface drying and of discoloration after curing and that enables adjustment to a desired color tone. The present invention relates to a dental color tone adjustment material kit including: a primer composition (A) including an acid group-containing polymerizable monomer (a) and a volatile organic solvent (b); and a dental color tone adjustment material B including a polymerizable monomer (d), a polymerization initiator (e), particle aggregates (f) that are chain aggregates of ultrafine filler particles having an average primary particle diameter of 1 to 50 nm, titanium dioxide (g), and a pigment (h). The monomer (a) accounts for 0.05 to 45 weight % of the primer composition (A), and the organic solvent (b) accounts for 55 to 99.95 weight % of the primer composition (A). The monomer (d) includes a polyfunctional acrylate monomer (d1) and a volatile monofunctional (meth)acrylate monomer (d2), and the monomers (d1) and (d2) account for 88 weight % or more of the monomer (d). The content of the particle aggregates (f) is 5 to 20 parts by weight, and the content of the titanium dioxide (g) is 0.05 to 2 parts by weight, per 100 parts by weight of the total of the monomer (d) and the particle aggregates (f).

The invention relates to a dental restorative material which comprises a thermolabile or photolabile polymerizable compound of Formula I:
[(Z.sup.1).sub.m-Q.sup.1-X)].sub.k-T-[Y-Q.sup.2-(Z.sup.2).sub.n].sub.lFormula I,
in which T represents a thermolabile or photolabile group, Z.sup.1 and Z.sup.2 in each case independently represent a polymerizable group selected from vinyl groups, CH.sub.2CR.sup.1COO and CH.sub.2CR.sup.1CONR.sup.2 or an adhesive group selected from Si(OR).sub.3, COOH, OPO(OH).sub.2, PO(OH).sub.2, SO.sub.2OH and SH, wherein at least one Z.sup.1 or Z.sup.2 is a polymerizable group, Q.sup.1 in each case independently is missing or represents an (m+1)-valent linear or branched aliphatic C.sub.1-C.sub.20 radical which can be interrupted by O, S, COO, OCO, CONR.sup.3, NR.sup.3CO, OCONR.sup.3, NR.sup.3COO or NR.sup.3CONR.sup.3, Q.sup.2 in each case independently is missing or represents an (n+1)-valent linear or branched aliphatic C.sub.1-C.sub.20 radical which can be interrupted by O, S, COO, OCO, CONR.sup.3, NR.sup.3CO, OCONR.sup.3, NR.sup.3COO or NR.sup.3CONR.sup.3, X and Y in each case independently are missing or represent O, S, COO, OCO, CONR.sup.3, NR.sup.3CO, OCONR.sup.3, NR.sup.3COO or NR.sup.3CONR.sup.3, R, R.sup.1, R.sup.2 and R.sup.3 in each case independently represent H or a C.sub.1-C.sub.7 alkyl radical and k, l, m and n in each case independently are 1, 2 or 3.

A hardenable (e.g. dental) compositions is described comprising an encapsulated material. The encapsulated material comprises a basic core material and an inorganic shell material having certain viscosity criteria. Also described are dispensing devices and kits are described comprising a hardenable (e.g. dental) composition comprising a liquid material and an encapsulated material wherein the encapsulated material comprises a basic core material and an inorganic shell material comprising a metal oxide surrounding the core. The dispensing devices and kits can facilitate the methods of applying the hardenable composition. The hardenable or hardened (e.g. cured) composition can provide various technical effects such as a delayed release of a basic core material, a delayed increase in basicity, promoting remineralization of a tooth or bone structure, and increasing the average alkaline phosphatase (ALP) activity of pulp cells. In some embodiments, the composition is a dental (e.g. sealant) composition for application to a tooth structure.

To provide a dental curable composition having excellent solubility of an ultraviolet absorber, sunlight stability, fluorescence property, and mechanical property.

To provide a dental curable composition comprising, (A) polymerizable monomer, (B) polymerization initiator, (C) fluorescent agent, and (D) ultraviolet absorber, wherein, the dental curable composition comprises, as the (D) ultraviolet absorber, (D-1) compound having at least one first absorption maximum in the wavelength region of 250 to 320 nm and at least one second absorption maximum in the wavelength region of 320 to 400 nm, wherein the ratio of an absorbance of the first absorption maximum to an absorbance of the second absorption maximum is within the range of 1 to 4.

To provide a dental curable composition having excellent solubility of an ultraviolet absorber, sunlight stability, fluorescence property, and mechanical property.

To provide a dental curable composition comprising, (A) polymerizable monomer, (B) polymerization initiator, (C) fluorescent agent, and (D) ultraviolet absorber, wherein, the dental curable composition comprises, as the (D) ultraviolet absorber, (D-1) compound having at least one first absorption maximum in the wavelength region of 250 to 320 nm and at least one second absorption maximum in the wavelength region of 320 to 400 nm, wherein the ratio of an absorbance of the first absorption maximum to an absorbance of the second absorption maximum is within the range of 1 to 4.

The present invention provides an oxide ceramic pre-sintered body for dental use and a method of production thereof having excellent machinability with a low probability of chipping while exhibiting high translucency after sintering. The present invention relates to an oxide ceramic pre-sintered body for dental use comprising oxide ceramic particles with an average primary particle diameter of 50 to 300 nm, and pores, and having a D10 of 20 nm or more and a D90 of 90 nm or less in a cumulative distribution of pores within the pre-sintered body. The oxide ceramic pre-sintered body for dental use has a relative density of preferably 43 to 63%. The oxide ceramic pre-sintered body for dental use has a BET specific surface area of preferably 5 to 25 m.sup.2/g as measured in compliance with JIS Z 8830:2013.

A pharmaceutical formulation for topical dental administration or medical (e.g., implant) treatment, including effective amounts of: at least one antimicrobial compound; at least one peroxide source compound; and at least one gel agent. Also disclosed are methods of oral anatomy treatment. The pharmaceutical formulation and treatment methods provide the patient with oral anatomy benefits including, for example, decreased or arrested gum recession; decreased or arrested bone recession; decreased or arrested bone mass loss; decreased or eliminated pain; decreased or eliminated bleeding; decreased or eliminated swelling; enhanced regeneration of bone; enhanced soft tissue repair; or a combination thereof.

A pharmaceutical formulation for topical dental administration or medical (e.g., implant) treatment, including effective amounts of: at least one antimicrobial compound; at least one peroxide source compound; and at least one gel agent. Also disclosed are methods of oral anatomy treatment. The pharmaceutical formulation and treatment methods provide the patient with oral anatomy benefits including, for example, decreased or arrested gum recession; decreased or arrested bone recession; decreased or arrested bone mass loss; decreased or eliminated pain; decreased or eliminated bleeding; decreased or eliminated swelling; enhanced regeneration of bone; enhanced soft tissue repair; or a combination thereof.