Sofsera Corporation

Jnc Corporation

Iwatani Corporation

Okabe Company, Inc.

Medical Foundation Natural Smile

Yasumichi Kogai

Kenji Yamada

Karl Kazushige Kawabe

Daisuke Nomi

Nobuo Aoi

Takashi Iwamoto

Kunihiko Koike

Yukinori Kataoka

You Umebayashi

Minoru Miyauchi

Hisashi Hattori

Masami Nakagawa

Miwa Fujinami

Shinichi Okabe

Yohki Hieda

Jun Fujinami

This invention provides a measure that makes it possible to prevent more effectively, in comparison with the prior art, the invasion of germs from the gap between a dental prosthesis and the gingiva when the dental prosthesis is used in an oral cavity as well as the infection and inflammation associated therewith. There is a dental prosthesis or a component thereof, characterized in that: the dental prosthesis or the component thereof has hydroxyapatite fine particles on a surface of the dental prosthesis or the component thereof; the hydroxyapatite fine particles are sintered bodies; and the hydroxyapatite fine particles have a mean particle size of 10 to 1,000 nm.

Dental prosthesis and component thereof

To provide a ceramic particle separable composite material having a calcium phosphate sintered body particle with which bioaffinity reduction and solubility change are suppressed as much as possible and which has a smaller particle diameter. A ceramic particle separable composite material comprising a ceramic particle and a substrate, wherein: the ceramic particle and the substrate are chemically bonded to each other, or the ceramic particle physically adheres to or is embedded in the substrate; the ceramic particle has a particle diameter within a range of 10 nm to 700 nm; the ceramic particle is a calcium phosphate sintered body particle; and the ceramic particle contains no calcium carbonate.

Ceramic particle composite material

This invention has an object to provide a means for providing a calcium phosphate sintered body particle group that does not cause a phenomenon of bubble generation in any use mode thereof, and further has a smaller particle diameter. There is provided a ceramic particle group containing spherical ceramic particles, which is characterized in that the ceramic particle has a particle diameter within a range of 10 nm to 700 nm, and is a calcium phosphate sintered body particle, and further the ceramic particle group contains no calcium carbonate.

Calcium phosphate sintered particles and production method therefor

To provide a technology for sintering calcium phosphate to manufacture a calcium phosphate sintered body and suppressing generation of calcium oxide when calcium phosphate is sintered, there is provided a process for manufacturing a sintered calcium phosphate molded body is characterized by including a step for heating a composition containing at least a composite of calcium phosphate fine particles and polyether and sintering the calcium phosphate fine particles.

Sintered calcium phosphate molded body and process for manufacturing the same

An inner surface-modified tube includes fine particles that are buried in an inner surface of a tube with part of surfaces of the fine particles exposed, wherein the fine particles are unevenly distributed such that more fine particles are distributed in a region from a center of the tube to the inner surface of the tube than in a region from the center of the tube to an outer surface of the tube based on a thickness direction of the tube, an arithmetic average roughness Ra of the inner surface of the tube is 1 nm or more and 100 &#x3bc;m or less, a particle diameter of each fine particle is 10 nm or more and 100 &#x3bc;m or less, and an inner diameter of the tube is 0.01 mm or more and 100 mm or less.

Inner surface-modified tube, inner surface-modified tube manufacturing method, and inner surface-modified tube manufacturing device

To provide a method for producing a porous calcium phosphate body having open micro-pores, by the method for producing the porous calcium phosphate body, in which calcium phosphate is subjected to electro-spinning.

Method for producing porous calcium phosphate body

Provided is a means for fixing calcium phosphate onto the surface of a metal by a treatment method which uses no acid and produces less residue. A method of producing a calcium phosphate composite in which calcium phosphate is bonded to the surface of a base material, the method including a surface treatment step of bringing the surface of the base material into contact with a surface treating agent, and then into contact with a silane coupling agent, to surface treat the base material; a polymerization step of initiating, after the surface treatment step, polymerization of the silane coupling agent by means of a polymerization initiator; and a bonding step of bonding the silane coupling agent at the surface of the base material after the polymerization step, with calcium phosphate; wherein the base material is a metal, and the surface treating agent is ozone water.

Calcium phosphate complex, and method for production thereof

Growing community of inventors

Tokyo, Japan

Yasumichi Kogai