Disclosed is a resin modified dental luting cement composition having a polymerizable resin component, a polyacidic polymer component, a filler component, a redox initiator system, and water.

The present invention enables modification of an intraosseous implant device that is not only biologically non-inert, but can stimulate bone and vascular growth; decrease localized inflammation; and fight local infections. The method of the present invention provides a fiber with any of the following modifications: (1) Nanofiber with PDGF, (2) Nanofiber with PDGF+BMP2, and (3) Nanofiber with BMP2 and Ag. Nanofiber can be modified with other growth factors that have been shown to improve bone growth and maturationBMP and PDGF being the most common. Nanofiber can be applied on the surface of the implant in several ways. First, a spiral micro-notching can be applied on the implant in the same direction as the threads with the nanofibers embedded into the notches. Second, the entire surface of the implant may be coated with a mesh of nanofibers. Third, it can be a combination of both embedding and notching.

A solid freeform fabrication material set includes a material A for solid freeform fabrication and a material B for solid freedom fabrication. The material A includes a polymerization initiator A and at least one of an organic particle and an inorganic particle. The material B includes a polymerizable compound B.

The invention relates to magnesium reinforcements and magnesium-reinforced barrier membranes for use in biomedical applications, such as dental, craniofacial and orthopedic applications. The magnesium reinforcements and barrier membranes are composed of a biodegradable, magnesium/polymer composite. They can be used in a wide variety of applications, such as, but not limited to, vertical and horizontal ridge augmentation, guided bone/tissue regeneration, periodontal bone regeneration, fracture fixation and orthopedic and spinal bone grafting applications; as well as in general surgery (hernia repair) and urogynecological surgery.

Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the NH bonds in component (b) and (c) [epoxide.sub.(a)]/[NH.sub.(b),(c)] is in the range of from 0.9 to 1.1; wherein the di- or polyepoxide having 2 to 5 epoxide groups is a compound of the following formula (I):

A(BZ.sub.m).sub.n (I) wherein A represents an n-valent organic moiety optionally having 1 to 10 heteroatoms selected from oxygen atoms and sulfur atoms; and B represents an m+1-valent organic moiety, Z is an epoxide group which may have a substituent, m which are independent from each other represent an integer of at least 1; and n is an integer of from 1 to 5; wherein the m are selected so that 2 to 5 epoxide groups are present; wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.

To enable firm bonding to a member including a polyaryl ether ketone resin. A bonding method including: a bonding material applying step for applying, to the surface of a member including a polyaryl ether ketone resin, a bonding material including (A) a polymerizable monomer and (B) at least a portion of components for configuring a polymerization initiator, the content ratio of polymerizable monomers at least having two or more polymerizable functional groups in a (p2) molecule among all polymerizable monomers being 50% by mass or greater, and the content ratio of polymerizable monomers at least having one or more polymerizable functional groups and one or more functional groups capable of hydrogen bonding in a (p1h1) molecule being 5% by mass or greater; and a curing step for curing the bonding material. A bonding material and bonding kit using the bonding method.

Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2;
(b) one or more primary monoamines and/or disecondary diamines;
(c) optionally one or more aliphatic polyamines;
(d) a particulate filler,
wherein the molar ratio of epoxide groups in component (a) to the NH bonds in component (b) and (c) [epoxide.sub.(a)]/[NH.sub.(b),(c)] is in the range of from 0.9 to 1.1;
wherein the di- or polyepoxide having 2 to 5 epoxide groups is a compound of the following formula (I):
A(BZ.sub.m).sub.n(I)
wherein
A represents an n-valent organic moiety optionally having 1 to 10 heteroatoms selected from oxygen atoms and sulfur atoms; and
B represents an m+1-valent organic moiety,
Z is an epoxide group which may have a substituent,
m which are independent from each other represent an integer of at least 1; and
n is an integer of from 1 to 5;
wherein the m are selected so that 2 to 5 epoxide groups are present;
wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.

A fixture (10) to be embedded in a bone (H), comprising: a fixture body (11) through which a central hole (13) penetrates over the entire length thereof; and a cap body (21) which closes an opening on a root end side of the central hole (13). The cap body (21) has a first shaft section (24) to be fitted into the central hole (13). The central hole (13) has a first tapered hole section (14) which decreases in diameter from the root end side toward a top end side, and the cap body (21) has a first tapered shaft section (25) to be fitted into the first tapered hole section (14).

Embodiments described herein are related to pellets that are placed within an extraction site that is in need of bone augmentation and preservation. The pellets are typically cylindrical in shape and comprise a material and a polymer coating. The goal of the pellets are to encourage sufficient new bone growth that jaw bone deterioration is prevented. The pellets create, arrange, and assemble an ideal growth environment for new bone growth to rapidly grow and preserve the original contours of an individual's jaw bone.

Disclosed is a method of manufacturing a multilayer zirconia block for artificial teeth, including a first material mixing step of mixing a 3 mol % yttrium oxide-tetragonal zirconia polycrystal and an organic binder, a second material mixing step of mixing a 3 mol % yttrium oxide-tetragonal zirconia polycrystal, a 5 mol % yttrium oxide-tetragonal zirconia polycrystal and an organic binder, a third material mixing step of mixing a 5 mol % yttrium oxide-tetragonal zirconia polycrystal and an organic binder, a compression molding step of sequentially placing the mixtures obtained in the first material mixing step, the second material mixing step, and the third material mixing step in a mold for compression molding and performing compression molding, and a calcination step of calcining a compression molded product obtained in the compression molding step. This method provides a multilayer zirconia block that contains yttrium oxide, the amount of which is adjusted in the manufacturing process, thus showing a color similar to that of natural teeth after impregnation with a coloring solution.