A dental material having (a) at least one radically polymerizable monomer, (b) at least one radiopaque filler, (c) at least one inorganic filler, (d) at least one composite filler, and (e) at least one initiator for the radical polymerization, wherein the monomer (a) comprises at least one urethane (meth)acrylate, at least one radically polymerizable bisphenol A derivative, optionally at least one polycyclic aliphatic dimethacrylate, optionally at least one monomer which does not fall into one of the groups (a-1) to (a-3) and (a-5), and optionally at least one chain regulator (a-5). The dental material allows the fabrication of esthetically pleasing restorations with only one material.

The present invention is related to a dental root canal filling composition comprising at least one di- or polyepoxide; at least one primary monoamine; and at least one diamine; wherein the at least one primary monoamine comprises at least one cyclic non-aromatic hydrocarbon group and at least one primary amino group; wherein said at least one primary amino group is directly attached to said at least one cyclic non-aromatic hydrocarbon group; or wherein said at least one primary amino group is comprised by a hydrocarbon moiety, which is directly attached to said at least one cyclic non-aromatic hydrocarbon group.

The present invention is related to a dental root canal filling composition comprising at least one di- or polyepoxide; at least one primary monoamine; and at least one diamine; wherein the at least one primary monoamine comprises at least one cyclic non-aromatic hydrocarbon group and at least one primary amino group; wherein said at least one primary amino group is directly attached to said at least one cyclic non-aromatic hydrocarbon group; or wherein said at least one primary amino group is comprised by a hydrocarbon moiety, which is directly attached to said at least one cyclic non-aromatic hydrocarbon group.

[Problem] To provide a dental photocurable composition having sufficient mechanical property and being excellent in color tone selectivity because of having a small color difference between before curing and after curing. [Solution] To provide a dental photocurable composition, comprising (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator, (D) photopolymerization accelerator and (E) filler, wherein, the dental photocurable composition comprises (B-1) α-diketone compound as the (B) photosensitizer, and the dental photocurable composition comprises, with respect to 100 parts by mass of the (A) polymerizable monomer, 0.15 parts by mass or less of the (B-1) α-diketone compound, 0.5 parts by mass or more of the (C) photoacid generator, and 100 parts by mass or more of the (E) filler.

[Problem] To provide a dental photocurable composition having sufficient mechanical property and being excellent in color tone selectivity because of having a small color difference between before curing and after curing. [Solution] To provide a dental photocurable composition, comprising (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator, (D) photopolymerization accelerator and (E) filler, wherein, the dental photocurable composition comprises (B-1) α-diketone compound as the (B) photosensitizer, and the dental photocurable composition comprises, with respect to 100 parts by mass of the (A) polymerizable monomer, 0.15 parts by mass or less of the (B-1) α-diketone compound, 0.5 parts by mass or more of the (C) photoacid generator, and 100 parts by mass or more of the (E) filler.

[Problem] To select a dental cement or a trial test material for easily obtaining high color tone adaptability to peripheral tooth substances, in mounting of or trial test of a prosthesis device [Solution] To provide a dental cement set consisting of a plurality of dental cements having color tones including color tones of 3 to n colors for selecting and using a dental cement from the plurality of dental cements having the color tones including the color tones of the 3 to n colors after trial test with trial test materials for the dental cement to be used from the plurality of dental cements having the color tones including the color tones of the 3 to n colors, wherein: the amount of information loss Pin with regard to first principal component determined by principal component analysis is less than 2, and. the dental cement set satisfies following Formula 1.
2≤((CL*.sub.p−1−CL*.sub.p).sup.2+(Ca*.sub.p−1−Ca*.sub.p).sup.2+(Cb*.sub.p−1−Cb*.sub.p).sup.2).sup.1/2<8  Formula 1
(wherein p is an arbitrary integer of 2≤p≤n).

In a functionalization method for use in dentistry, and a method for same, the application device includes a support for receiving a partially processed shaped dental part for producing a dental restoration, and a dispensing device for the at least partial infiltration of a functionalization material onto the surface of the shaped dental part.

In a functionalization method for use in dentistry, and a method for same, the application device includes a support for receiving a partially processed shaped dental part for producing a dental restoration, and a dispensing device for the at least partial infiltration of a functionalization material onto the surface of the shaped dental part.

Disclosed are a dental material with transmittance and color gradients and a method of preparing the dental material. The method includes (1) preparing at least three types of composite resin material precursor powders; (2) sequentially adding the precursor powders into a mold and performing dry pressing to obtain a preform body; alternatively, (2′) dry pressing the first type of precursor powder into a first green body, wrapping the first green body with the second type of precursor powder and then performing dry pressing to obtain a second green body, and repeating the wrapping and dry pressing operations until all types of precursor powder are dry pressed to obtain a preform body; and (3) performing hot-pressing consolidation on the preform body to obtain the desired dental material.

Disclosed are a dental material with transmittance and color gradients and a method of preparing the dental material. The method includes (1) preparing at least three types of composite resin material precursor powders; (2) sequentially adding the precursor powders into a mold and performing dry pressing to obtain a preform body; alternatively, (2′) dry pressing the first type of precursor powder into a first green body, wrapping the first green body with the second type of precursor powder and then performing dry pressing to obtain a second green body, and repeating the wrapping and dry pressing operations until all types of precursor powder are dry pressed to obtain a preform body; and (3) performing hot-pressing consolidation on the preform body to obtain the desired dental material.