中华口腔医学研究杂志（电子版）
中華口腔醫學研究雜誌（電子版）
중화구강의학연구잡지（전자판）
CHINESE JOURNAL OF STOMATOLOGICAL RESEARCH(ELECTRONIC VERSION)
2015年
4期
295-300
,共6页
李小龙%覃峰%钱宇%尹映竹%罗涛%黄雪清
李小龍%覃峰%錢宇%尹映竹%囉濤%黃雪清
리소룡%담봉%전우%윤영죽%라도%황설청
表没食子儿茶素没食子酸酯%龋影响牙本质%粘接强度%显微硬度
錶沒食子兒茶素沒食子痠酯%齲影響牙本質%粘接彊度%顯微硬度
표몰식자인다소몰식자산지%우영향아본질%점접강도%현미경도
Epigallocatechin-3-gallate%Caries-affected dentin%Bonding strength%Micro-hardness
目的：探讨表没食子儿茶素没食子酸酯(EGCG)改良后自酸蚀粘接剂可乐丽Clearfil SE Bond对龋影响牙本质即刻粘接性能影响。方法选取中龋离体牙20颗,在龋指示剂下去除龋感染牙本质,保留龋影响牙本质。将EGCG配制成100、200、300μg/ml Clearfil SE Bond粘接剂溶液及水溶液,以不添加EGCG粘接剂及水溶液作为对照组。微拉伸试件分组按照Clearfil SE Bond说明书指导进行粘接,上方堆塑5~6 mm Z350树脂。使用慢速线性切割机沿牙齿长轴进行切割,形成约1 mm ×1 mm试件,进行微拉伸实验。显微硬度试件分组浸泡于EGCG水溶液中24 h后测试显微硬度。使用SPSS 22.0统计学软件,在One-Way ANOVA模式下进行统计学分析。结果 EGCG处理后龋影响牙本质的粘接强度及显微硬度均明显提高,差异有统计学意义(F粘接强度=24.554,P粘接强度﹤0.05；F 显微硬度=20.418,P显微硬度﹤0.05)。结论 EGCG可增强龋影响牙本质的即刻粘接强度及显微硬度。
目的：探討錶沒食子兒茶素沒食子痠酯(EGCG)改良後自痠蝕粘接劑可樂麗Clearfil SE Bond對齲影響牙本質即刻粘接性能影響。方法選取中齲離體牙20顆,在齲指示劑下去除齲感染牙本質,保留齲影響牙本質。將EGCG配製成100、200、300μg/ml Clearfil SE Bond粘接劑溶液及水溶液,以不添加EGCG粘接劑及水溶液作為對照組。微拉伸試件分組按照Clearfil SE Bond說明書指導進行粘接,上方堆塑5~6 mm Z350樹脂。使用慢速線性切割機沿牙齒長軸進行切割,形成約1 mm ×1 mm試件,進行微拉伸實驗。顯微硬度試件分組浸泡于EGCG水溶液中24 h後測試顯微硬度。使用SPSS 22.0統計學軟件,在One-Way ANOVA模式下進行統計學分析。結果 EGCG處理後齲影響牙本質的粘接彊度及顯微硬度均明顯提高,差異有統計學意義(F粘接彊度=24.554,P粘接彊度﹤0.05；F 顯微硬度=20.418,P顯微硬度﹤0.05)。結論 EGCG可增彊齲影響牙本質的即刻粘接彊度及顯微硬度。
목적：탐토표몰식자인다소몰식자산지(EGCG)개량후자산식점접제가악려Clearfil SE Bond대우영향아본질즉각점접성능영향。방법선취중우리체아20과,재우지시제하거제우감염아본질,보류우영향아본질。장EGCG배제성100、200、300μg/ml Clearfil SE Bond점접제용액급수용액,이불첨가EGCG점접제급수용액작위대조조。미랍신시건분조안조Clearfil SE Bond설명서지도진행점접,상방퇴소5~6 mm Z350수지。사용만속선성절할궤연아치장축진행절할,형성약1 mm ×1 mm시건,진행미랍신실험。현미경도시건분조침포우EGCG수용액중24 h후측시현미경도。사용SPSS 22.0통계학연건,재One-Way ANOVA모식하진행통계학분석。결과 EGCG처리후우영향아본질적점접강도급현미경도균명현제고,차이유통계학의의(F점접강도=24.554,P점접강도﹤0.05；F 현미경도=20.418,P현미경도﹤0.05)。결론 EGCG가증강우영향아본질적즉각점접강도급현미경도。
Objective To explore the effect of the modified Epigallocatechin-3-Gallate (EGCG) on self-etch Clearfil SE Bond bonding strength to caries-affected dentin. Methods Twenty extracted human teeth with medial coronal carious lesions extending into middle dentin were used. The softened carious dentin was removed by Caries Marker. EGCG was incorporated at a ratio of 100, 200, and 300 μg/ml into water solution and a dental adhesive, Clear SE Bond. Caries-affected dentin was treated with EGCG water solution for 24 hours before micro-hardness test. And Microtensile bond strength (μTBS) test was used to evaluate the bonding strength to caries-affected dentin treated by Clearfil SE Bond with different EGCG concentration. Statistics analysis software SPSS 22.0 was used to evaluate the difference by One-Way ANOVA. Result Micro-hardness and bonding strength of caries-affected dentin are both significantly increased when treated with EGCG (Fbonding strength=24.554, Pbonding strength﹤0.05;Fmicro-hardnes=20.418, Pmicro-hardnes﹤0.05). Conclusion EGCG can significantly increase the micro-hardness and bonding strength of caries-affected dentin.
