Evaluation of resin-dentin interface on caries treatment

树脂-牙本质界面对龋齿治疗的评价

• 批准号: 12671848
• 负责人: NAKAJIMA Masatoshi
• 金额: $ 1.86万
• 依托单位: Tokyo Medical & Dental University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2002
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-12671848/
• 关键词: Dentinal Caries; Bond Strength; Hardness; Composite Resin; EPMA; Remineralization; Glass Ionomer Cement; 脱灰象牙質; セルフエッチングプライマー; フッ素徐放性材料; pH分布; 光走査型化学顕微鏡; う蝕; 象牙質; コンポジットレジン; エッチング

Resin bond strengths to caries-affected dentin are of more clinical relevance than those made to normal dentin. The microtensile bond testing technique permits measurement of bond strength to both normal and caries affected dentin. Moreover, using this technique, it is possible to evaluate bonding durability to dentin floor of in vivo cavities. The bond strengths of resin composites to caries-affected dentin were lower than those of normal dentin, and the in vivo and in vitro resin-dentin interfaces gradually degraded over time.In order to evaluate the physiological remineralization of dentin, nanohardness and elemental distributions of artificial demineralized dentin beneath glass ionomer cements were measured after 3 or 360 days in vivo using nanoindentation tester and EPMA. The nanohardness of 3 days sample were lower than that of 360 days sample. Although Ca density was sparse within demineralized dentin, a high Mg density within this lesion was detested at 360 days.

与正常牙本质相比，对受龋齿影响的牙本蛋白的树脂键强度更具临床相关性。微义键测试技术允许对正常和龋齿的键强度测量受影响的牙本质。此外，使用这种技术，可以评估与体内腔牙本质底层的粘结耐用性。树脂复合材料与受龋齿影响的牙本质的键强度低于正常牙本质，体内和体外和体外体外二丁物界面逐渐逐渐降解。在时间上，使用denteries deenters offivive deente deenters viviv ivivive评估牙本质的生理回忆性，以评估牙本质的生理性回忆性，并逐渐降解。纳米引导测试仪和EPMA。 3天样本的纳米核酸度低于360天样本。尽管CA密度在去矿化的牙本质中稀疏，但在360天后，该病变内的高毫克密度被逐渐厌恶。

项目成果

北迫勇一,平石典子,中島正俊,二階堂徹,田上順次,野村聡: "半導体シリコンセンサーを用いたpHイメージング顕微鏡によるヒト抜去う蝕象牙質の表面観察"日本歯科保存学会雑誌. 44(1). 56-63 (2001)

Yuichi Kitasako、Noriko Hiraishi、Masatoshi Nakajima、Toru Nikaido、Junji Tagami、Satoshi Nomura：“使用半导体硅传感器的 pH 成像显微镜对人体切除的龋齿牙本质进行表面观察”日本保守牙科学会杂志 44(1)。 56-63（2001）

Nakajima M, Sano H, Urabe I, Tagami J, Pashley DH: "Bond strengths of single-bottle dentin adhesives to caries-affected dentin"Operative Dentistry. 25. 2-10 (2000)

Nakajima M、Sano H、Urabe I、Tagami J、Pashley DH：“单瓶牙本质粘合剂与受龋齿影响的牙本质的粘合强度”牙科手术。

Kitasako Y, Nakajima M, Pereira PNR, Okuda M, Sonoda H, Otsuki M, Tagami J: "Monkey pulpal response and microtensile bond strength beneath a one-application resin bonding system in vivo"Journal of Denristry. 28. 193-198 (2000)

Kitasako Y、Nakajima M、Pereira PNR、Okuda M、Sonoda H、Otsuki M、Tagami J：“体内一次性树脂粘合系统下的猴牙髓反应和微拉伸粘合强度”Journal of Denristry。

Okuda M, Pereira PNR, Nakajima M, Tagami J, Pashley DH: "Long-term durability of resin-dentin interface : nanoleakage vs. microtensile bond strength"Operative Dentistry. 27. 289-296 (2002)

Okuda M、Pereira PNR、Nakajima M、Tagami J、Pashley DH：“树脂-牙本质界面的长期耐久性：纳米渗漏与微拉伸粘合强度”牙科手术。

Nikaido T, Kunzelmann K-H, Chen H, Ogata M, Harada N, Yamaguchi S, Cox CF, Hickel R, Tagami J: "Evaluation of thermal cycling and mechanical loading on bond strength of a self-etching primer system to dentin"Dental Materials. 18(3). 269-275 (2002)

Nikaido T、Kunzelmann K-H、Chen H、Ogata M、Harada N、Yamaguchi S、Cox CF、Hickel R、Tagami J：“热循环和机械载荷对自酸蚀底漆系统与牙本质粘合强度的评估”牙科材料