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    • 9. 发明授权
    • Hardening material for medical and dental use
    • 用于医疗和牙科用途的硬化材料
    • US5238491A
    • 1993-08-24
    • US474766
    • 1990-03-21
    • Fumihito SugiharaTakashi IshiiTooru Kurihara
    • Fumihito SugiharaTakashi IshiiTooru Kurihara
    • A61K6/08A61K6/00A61K6/033A61K6/097A61L24/00A61L27/00A61L27/42A61L27/46
    • A61K6/0643A61K6/0085A61L24/0063A61L27/425A61L27/46
    • This invention relates to a hardening material for medical and dental use which is composed of a powder of calcium phosphate and a hardening liquid.A subject of the present invention is to provide a hardening material wherein a calcified hard tissue analogous to body hard tissue capable of making chemically a sufficient bond with body hard tissue is formed in a body within relatively short time passage.To attain the above-described objective, the hardening material for medical and dental use relating to the present invention is composed of a calcium phosphate powder and a hardening liquid and also of at least either one of collagen and/or collagen derivatives in a state of powder or solution, and the calcium phosphate powder contains a powder of .alpha.-tricalcium phosphate [.alpha.-Ca.sub.3 (PO.sub.4).sub.2 ]and/or tetracalcium phosphate [Ca.sub.4 (PO.sub.4).sub.2 O] as an essential component and the hardening liquid comprises at least one acid selected from inorganic acids and acetic acid.
    • PCT No.PCT / JP89 / 00726 Sec。 371 1990年3月21日 102(e)1990年3月21日PCT PCT 1991年7月20日PCT公布。 出版物WO90 / 00892 日本1990年2月8日。本发明涉及由磷酸钙粉末和硬化液构成的用于医疗和牙科用途的硬化材料。 本发明的目的是提供一种硬化材料,其中在相对短的时间通过内在身体中形成类似于能够与身体硬组织化学充分结合的身体硬组织的钙化硬组织。 为了实现上述目的,本发明的医疗用牙齿用硬化材料由磷酸钙粉末和硬化液体构成,并且还包含胶原和/或胶原衍生物中的至少一种,其状态为 粉末或溶液,并且磷酸钙粉末含有α-磷酸三钙[α-Ca 3(PO 4)2]和/或磷酸四钙[Ca 4(PO 4)2 O]作为必需组分的粉末,并且硬化液体包含至少一种 酸选自无机酸和乙酸。