An improvement of experimental primer of light-cured glass ionomers

光固化玻璃离聚物实验底漆的改进

基本信息

  • 批准号:
    10557179
  • 负责人:
  • 金额:
    $ 6.98万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
  • 财政年份:
    1998
  • 资助国家:
    日本
  • 起止时间:
    1998 至 2000
  • 项目状态:
    已结题

项目摘要

1. Stability performance testThe aim of this research project was to evaluate the influence of the storage temperature of experimental primer on bond strength of light-cured glass ionomer cement (LCGIC). Three self-etching primers, Fuji ionomer type II LC (GC), and curing unit GC New light VL-II (GC), were employed. Employed primer were made by GC and their main composition were ; 1) phosphate-monomer, 2) carbonic acid, and 3) glass polyalkenoic acid. By evaluating shear bond strength and comparing the SEM interfacial morphology, Following results were obtained.1 The dentin bond strengths were significantly decreased with longer storage periods, and this tendency was pronounced with higher storage temperatures.2 The highest bond strength was obtained with the use of the self-etching primer containing Glass polyalkennoic acid.2. Clinical performance evaluationThe second stage of this study was to conduct the clinical trail of LCGIC with use of the experimental self etching glass polyalkenoic acid primer and evaluate 6 month clinical performance., Fuji ionomer type II LC (GC), and curing unit GC New light VL-II (GC) were employed. LCGIC were clinically evaluated according to the modified USPHS criteria. SEM observation was also performed for the morphological change of restored teeth using epoxy models made form impression. The preparation of Nihon Univ.dental hospital on this clinical evaluation has been perfect. However, it is not possible to receive the authorization for conducting this project from Ministry of Health and Welfare. The clinical evaluation will carry out till the permission is received.
1.稳定性性能测试本研究的目的是评估实验底漆的储存温度对光固化玻璃离子水门汀(LCGIC)粘结强度的影响。使用三种自蚀刻底漆,Fuji离聚物II型LC(GC)和固化单元GC New light VL-II(GC)。采用气相色谱法制备了涂布底漆,其主要成分为:1)磷酸酯单体,2)碳酸,3)玻璃聚烯酸。结果表明:1.牙本质粘接强度随储存时间的延长而显著降低,且储存温度越高,这种趋势越明显; 2.含玻璃聚烯酸的自酸蚀底漆的粘接强度最高.临床性能评价本研究的第二阶段是使用实验性自酸蚀玻璃聚烯酸引物进行LCGIC的临床试验,并评价6个月的临床性能。使用Fuji离聚物II型LC(GC)和固化单元GC New light VL-II(GC)。根据改良的USPHS标准对LCGIC进行临床评价。用印模制作环氧树脂模型,扫描电镜观察修复牙的形态变化。Nihon Univ.dental医院关于本临床评价的准备工作已经完善。然而,无法从卫生和福利部获得开展这一项目的授权。临床评价将进行至获得许可。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
安藤 進: "光硬化型グラスアイオノマーセメントに関する研究"日本歯科保存学雑誌. 42・6. 1123-1130 (1999)
安藤进:“光固化玻璃离子水门汀的研究”日本保守牙科杂志 42・6(1999 年)。
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    0
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ONOSE Hideo的其他文献

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{{ truncateString('ONOSE Hideo', 18)}}的其他基金

Development of Single Application Adhesive System for Root Surface Caries
根面龋齿一次性粘合系统的开发
  • 批准号:
    11470408
  • 财政年份:
    1999
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Development of experimental dentin primer of Lightcured Glass Ionomer Cement
光固化玻璃离子水门汀实验性牙本质底漆的研制
  • 批准号:
    08557107
  • 财政年份:
    1996
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Development of new primer for light-cured glass Ionomer cement-effect of priming on dentin bond strength-
光固化玻璃离子水门汀用新型底漆的开发-底漆对牙本质粘合强度的影响-
  • 批准号:
    06454547
  • 财政年份:
    1994
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Infuence of the condition of light activation on physical properties of dual-cured resin cements.
光活化条件对双固化树脂水门汀物理性能的影响。
  • 批准号:
    04454477
  • 财政年份:
    1992
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Development and Investigation of Argon Ion Laser Activator for Resin Composite
树脂复合材料氩离子激光活化剂的研制与研究
  • 批准号:
    02557074
  • 财政年份:
    1990
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research (B)
Influence of Light Irradiation Technique on Resin Hardness and Polymerization Shrinkage
光照射技术对树脂硬度和聚合收缩率的影响
  • 批准号:
    63480426
  • 财政年份:
    1988
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Study on unpolymerized area in the surface layer of light activated composite resins
光活化复合树脂表层未聚合区域的研究
  • 批准号:
    60480416
  • 财政年份:
    1985
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
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