Cast clasp with good biocompatibility made by titanium
钛合金铸造表扣,具有良好的生物相容性
基本信息
- 批准号:11671946
- 负责人:
- 金额:$ 1.86万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:1999
- 资助国家:日本
- 起止时间:1999 至 2000
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The purpose of this study was to investigate the application of titanium as denture material. There were two matters in this research. One was to evaluate the casting surface of titanium with commercial titanium investments. Another was to explore the possibility of heat-shock method when fabricating titanium metal plate. The surface texture of titanium cast was inferior to other dental casting metal. However, the surface of titanium cast obtained from phosphate-bonded investments with silica was obviously rougher than that of obtained from investments without P and SiO_2. In addition, these titanium cast was the almost same surface texture as Co-Cr alloy Thus, it was considered that the quality of titanium cast just depended on mold materials.Furthermore the application of a heat-shock method was also investigated when fabricating titanium cast plate. The heat shock was tried for a commercial titanium casting system (Selecast, selec) including two investments (DM, D) as a duplication and as a mold. The mold according to manufacture's instruction (Step-1), the mold including cluplication without a heat treatment (Step-2) and duplication itself before making the mold (Step-3) were prepared after 30min from mixing and then directly put into the furnace preheated at 850℃. The heat shock was found to be effective for the mold made by Step-1. However, the duplication (Step-3) exploded within a few minutes after placing in the furnace. This explosion was successfully avoided by the preheated temperature under 850℃ or prolonged heat-starting time, but a lot of cracks extended while cooling became the hazard for cast. Furthermore we found that the dry for the mold around 100℃ was useful for the heat shock. These results suggest that the heat shock was effective to eliminate the labor time for this system, but factors affecting such as the preheated temperature and heat-starting time should be considered prior to use.
本研究的目的是探讨钛作为义齿材料的应用,本研究的目的有两个:一是评估商业钛投资的铸造表面。制造钛金属板的表面纹理比其他牙科铸造金属差,但是用二氧化硅磷酸盐粘合的包埋材料获得的钛铸件的表面明显比不含磷和磷的包埋材料获得的表面粗糙。此外,这些钛铸件的表面织构与Co-Cr合金几乎相同,因此认为钛铸件的质量仅取决于模具材料。此外,还研究了制造时热激法的应用。根据制造商的说明,对商业钛铸造系统(Selecast,selec)进行了热冲击试验,包括两个投资(DM,D)作为复制品和模具。 (步骤-1),混合30分钟后,制备包括未经热处理的合体(步骤-2)和制作模具之前的复制体(步骤-3)的模具,然后直接放入预热至850℃的炉中。发现冲击对于步骤1制作的模具是有效的,但是复制品(步骤3)在放入炉中后几分钟内就爆炸了,通过预热温度低于850℃或延长时间成功避免了爆炸。热启动时间短,但冷却时大量裂纹扩展成为铸件的危险。此外,我们发现100℃左右的模具干燥对于热冲击是有效的。这些结果表明热冲击可以有效地消除热冲击。该系统的劳动时间,但在使用前应考虑预热温度和热启动时间等影响因素。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Zhang Z: "Fundamental studies on ammonia-free phosphate-bonded binder for dental investment."昭和歯学会雑誌. 20・2. 322-326 (2000)
张Z:“牙科包埋用无氨磷酸盐结合剂的基础研究”,昭和牙科学会杂志20・2(2000)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Harun Q: "Labor Reduction for Mold Preparation of a Commercial Titanium Cast Denture System Using a Heat-shock Method."Dental Materials Journal. 19・4. 413-421 (2000)
Harun Q:“使用热激法减少商业钛铸造义齿系统模具制备的劳动力”《牙科材料杂志》19・4 (2000)。
- DOI:
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- 影响因子:0
- 作者:
- 通讯作者:
Tamaki Y: "Two-stage Heat-Shock Procedure Can Fabricate Sound Co-Cr Casting Denture Plates by Using Conventional Phosphate-Bonded Investments"昭和歯学会雑誌. 20・2. 149-152 (2000)
Tamaki Y:“两阶段热冲击程序可以使用传统的磷酸盐粘合包埋材料制造良好的钴铬铸造义齿板”昭和牙科学会杂志 20・2(2000 年)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Ozawa A: "The Possibility of Fabricating Co-Cr casting Plates by Using a Heat-Shock Method with Conventional Phosphate-bonded Investments."昭和歯学会雑誌. 20・2. 153-157 (2000)
Ozawa A:“使用热冲击法和传统磷酸盐粘合包埋材料制造钴铬铸造板的可能性”,昭和牙科学会杂志 20・2(2000 年)。
- DOI:
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- 影响因子:0
- 作者:
- 通讯作者:
TAMAKI.Y, HARUN.Q, ZHANG.Z.et al: "Two-stage Heat-Scock Procedure Can Fabricate Sound Co-Cr Casting Denture Plates by Using Conventional Phosphate-Bonded Investments"The Journal of Showa University Dental Society. Vol.20 (2). 149-152 (2000)
TAMAKI.Y、HARUN.Q、ZHANG.Z.等人:“两阶段热冲程序可以使用传统的磷酸盐粘合包埋材料制造良好的钴铬铸造义齿板”昭和大学牙科学会杂志。
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TAMAKI Yukimichi其他文献
Evaluation of the mechanical properties and biocompatibility of gypsum-containing calcium silicate cements
含石膏硅酸钙水泥的力学性能和生物相容性评价
- DOI:
10.4012/dmj.2020-086 - 发表时间:
2021 - 期刊:
- 影响因子:2.5
- 作者:
HAYASHI Yumiyo;KAWAKI Harumi;HORI Masaharu;SHINTANI Kohei;HASEGAWA Tomoya;TANAKA Masashi;KONDOH Nobuo;YOSHIDA Takakazu;KAWANO Satoshi;TAMAKI Yukimichi - 通讯作者:
TAMAKI Yukimichi
Evaluation of the mechanical properties and biocompatibility of gypsum-containing calcium silicate cements
含石膏硅酸钙水泥的力学性能和生物相容性评价
- DOI:
10.4012/dmj.2020-086 - 发表时间:
2021 - 期刊:
- 影响因子:2.5
- 作者:
HAYASHI Yumiyo;KAWAKI Harumi;HORI Masaharu;SHINTANI Kohei;HASEGAWA Tomoya;TANAKA Masashi;KONDOH Nobuo;YOSHIDA Takakazu;KAWANO Satoshi;TAMAKI Yukimichi - 通讯作者:
TAMAKI Yukimichi
Distribution of elements in teeth and inhibition of demineralization by titanium fluoride: Effects of concentration and pH in a titanium fluoride solution
牙齿中元素的分布和氟化钛对脱矿质的抑制:氟化钛溶液中浓度和 pH 值的影响
- DOI:
10.4012/dmj.2020-193 - 发表时间:
2021 - 期刊:
- 影响因子:2.5
- 作者:
OKUYAMA Katsushi;MATSUDA Yasuhiro;YAMAMOTO Hiroko;SAKURAI Masahiko;NAITO Katsuaki;SHINTANI Kohei;SAITO Takashi;HAYASHI Mikako;TAMAKI Yukimichi - 通讯作者:
TAMAKI Yukimichi
Distribution of elements in teeth and inhibition of demineralization by titanium fluoride: Effects of concentration and pH in a titanium fluoride solution
牙齿中元素的分布和氟化钛对脱矿质的抑制:氟化钛溶液中浓度和 pH 值的影响
- DOI:
10.4012/dmj.2020-193 - 发表时间:
2021 - 期刊:
- 影响因子:2.5
- 作者:
OKUYAMA Katsushi;MATSUDA Yasuhiro;YAMAMOTO Hiroko;SAKURAI Masahiko;NAITO Katsuaki;SHINTANI Kohei;SAITO Takashi;HAYASHI Mikako;TAMAKI Yukimichi - 通讯作者:
TAMAKI Yukimichi
Evaluation of the mechanical properties and biocompatibility of gypsum-containing calcium silicate cements
含石膏硅酸钙水泥的力学性能和生物相容性评价
- DOI:
10.4012/dmj.2020-086 - 发表时间:
2021 - 期刊:
- 影响因子:2.5
- 作者:
HAYASHI Yumiyo;KAWAKI Harumi;HORI Masaharu;SHINTANI Kohei;HASEGAWA Tomoya;TANAKA Masashi;KONDOH Nobuo;YOSHIDA Takakazu;KAWANO Satoshi;TAMAKI Yukimichi - 通讯作者:
TAMAKI Yukimichi
TAMAKI Yukimichi的其他文献
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{{ truncateString('TAMAKI Yukimichi', 18)}}的其他基金
Synthesis of calcium-based biomaterials from routine dental materials
从常规牙科材料合成钙基生物材料
- 批准号:
24592967 - 财政年份:2012
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Investigation of all ceramic restoration with zirconia implant
氧化锆种植体全陶瓷修复体的研究
- 批准号:
20592310 - 财政年份:2008
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Property of sintering zirconia ceramics that is important for metal-free bridge restoration
烧结氧化锆陶瓷的特性对于无金属牙桥修复很重要
- 批准号:
18592142 - 财政年份:2006
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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