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enamel demineralization
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  釉质脱矿
     Inhibition of enamel demineralization immediately adjacent to the restoration margins was more frequent with the glass ionomer cements(20.5%~25.0%) than with Compoglass (13.0%).
     用玻璃离子水门汀瞬间接触充填体边缘抑制釉质脱矿的能力 (2 0 .5 %~ 2 5 .0 % )较复合玻璃材料强 (13.0 % )。
短句来源
     Methods: After formed the enamel pellicles with saliva and MG1 in vitro, it was evaluated that the role of saliva and MG1 against enamel demineralization.
     方法 :以全唾液、腮腺唾液、颌下 舌下腺唾液和纯化的MG1对实验牙釉质表面进行体外孵育以形成唾液获得性膜 ,观察此膜抗釉质脱矿作用。
短句来源
     Results The result indicated that the rate of enamel demineralization of fluoridated protector treatment group reached 3% ,while that of the control group reached 15% . There was a statistically significant difference between the two groups(P< 0.05) .
     结果 实验组釉质脱矿发生率为3%,对照组釉质脱矿率为15%,两组相比差异有显著性(P<0.05)。
短句来源
     Comparation of the influence of lanthanum,calcium and fluoride on enamel demineralization
     镧、钙、氟对釉质脱矿影响的比较
短句来源
     Methods: An acrylic resin appliance containing 3 human enamel blocks (4 mm×4 mm×1 mm) was constructed for each volunteer (total 10). A 20% sucrose solution was dripped onto the enamel blocks from 0~8 times/days in 7-days. After 7-days, we evaluate the content of Ca, P, F, weight of dental plaque and enamel demineralization.
     方法:选取10名志愿者,制作附有3块4mm×4mm×1mm大小釉质块的口内装置,在7天 周期培养菌斑的同时,以0次/d~8次/d不同频率滴加20%的蔗糖溶液,每次作用5min,观察7d后菌斑钙、磷、氟 含量、菌斑重量和釉质脱矿
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  牙釉质脱矿
     After treatment,the incidence of enamel demineralization of the RMGIC group was lower than that of the CR group(P<0.01);
     矫治后,RMGIC组牙釉质脱矿率低于CR组(P<0.01);
短句来源
     Study of Suppressing the Enamel Demineralization by Combined Application of Fluoride Lanthanum and Molybdenum.
     氟化物与镧、钼协同应用抑制牙釉质脱矿过程的研究
短句来源
     COMPARATIVE STUDY OF BOVINE ENAMEL DEMINERALIZATION BY DIFFERENT KINDS OF SOFT DRINKS
     不同种类碳酸饮料导致牙釉质脱矿的比较研究
短句来源
     Study of the Effect of Nd:YAG Laser Irradiation on Enamel Demineralization
     Nd:YAG激光对预防正畸牙釉质脱矿的观察
短句来源
     Experimental Study on Enamel Demineralization of UsingSelf-etching Adhesives in Orthodontic Bonding
     自酸蚀粘接技术对牙釉质脱矿影响的实验研究
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  釉质缺损
     Conclusion The overdosed fluoride inhibits the secretion of MMP-20 and leads to the disturbed balance between MMP-20,TIMP-2 in rat incisor,which leads to the delay of the amelogenin removal and the enamel demineralization.
     结论过量氟可抑制MMP-20的表达,MMP-20和TIMP-2表达失衡,TIMP-2的抑制作用加强,致使釉基质蛋白清除延迟,导致矿化不全和釉质缺损
短句来源
  “enamel demineralization”译为未确定词的双语例句
     the DEI for enamel demineralization teeth of RMGIC group almost were Ⅰ scores(66.67%),otherwise the corresponding EDI of the CR group were almost over Ⅱ scores(60.53%).
     RMGIC组脱矿牙EDI值多数为Ⅰ度(66.67%),而CR组脱矿牙EDI值大多为Ⅱ度以上(60.53%);
短句来源
     Results:The result indicate that the rate of enamel demineralization of NaF treated group reaches 3.7%.
     结果 :处理组患者牙釉质表面脱矿发生率 3.7% ;
短句来源
     AIM:To study the influence of different drying methods on quantitative light-induced fluorescence(QLF) and analysis of early enamel demineralization to find an optimal drying method to obtain reliable QLF readings.
     目的:研究不同的干燥方法对定量光导荧光系统(guantitative light-induced fluorescence,QLF)分析病损脱矿程度的影响,探讨最适合QLF临床检查使用的干燥方法。
短句来源
     Conclusion:The demineralization gels containing Ca 2+ ,La 3+ ,F - can reduce enamel demineralization,Among them the function of F was the toppest,then La,and Ca was the last. [
     结论 :脱矿凝胶中加入 1g/L的Ca2 +、La3 +、F-均阻止釉质硬度的下降 ,氟的作用最强 ,钙的作用最弱 ,镧的作用界于氟和钙之间。
短句来源
     Conclusions:Bleaching could cause the enamel demineralization.
     结论 :夜间活髓牙漂白能造成釉质的脱矿。
短句来源
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  enamel demineralization
The method is illustrated by comparison of enamel demineralization near a polyacid-modified composite resin restoration, near a bis-GMA/TEGMA composite resin restoration, and in an unrestored control.
      
Real-time measurement of in vitro enamel demineralization in the vicinity of the restoration-tooth interface
      
These results indicate that the assumption of chemical equilibrium at the enamel surface must be modified in the current models for the mechanism of enamel demineralization.
      
Laser-induced autofluorescence spectra of teeth irradiated by a 337?nm nitrogen laser were measured during in vitro caries formation through initial enamel demineralization and introducing of carious bacterial flora in the lesions developed.
      
Influence of salivary pellicle formation time on enamel demineralization - an in situ pilot study
      
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The purpose of this investigation was to study the low level fluoride on the reso-lutive behavior of dental enamel in vitro. Twelve enamel slabs were used to treat with acidulated phosphate fluoride solutions containing different F concentration and then with acidic artificial carious gei. Chemical analysis were carried out with atomic absorption spectrophotometer, fluoride ion -selective electrode and electron microprobe. Results indicate that different F concentration in environmental solutions make different...

The purpose of this investigation was to study the low level fluoride on the reso-lutive behavior of dental enamel in vitro. Twelve enamel slabs were used to treat with acidulated phosphate fluoride solutions containing different F concentration and then with acidic artificial carious gei. Chemical analysis were carried out with atomic absorption spectrophotometer, fluoride ion -selective electrode and electron microprobe. Results indicate that different F concentration in environmental solutions make different physicochemical ways on effects to enamel demineralization, they are specific and non-specific absorption of fluoride ions or dissolution and reprecipita-tion of fluoridated apatite and CaF2.

本研究采用原子吸收光谱仪,氟离子选择电极和电子探针分析手段,对低氟溶液和釉质溶解行为之间的影响关系,从物理化学的角度进行了分析。结果表明,对含氟磷灰石和CaF_2呈不同饱和度的不同含氟量的溶液,在影响釉质脱矿中的作用机制是不同的,它们分别表现为特异性和非特异性的氟离子吸附或含氟磷灰石和CaF_2的溶解和沉积。

Objective:The purpose of the research is to evaluate the effects of sodium fluoride film in orthodontic. Methods:Among the 170 cases with labioversion, 85 cases are coated with sodium fluoride on the surface of enamel, wheareas the control group are not. Results:The result indicate that the rate of enamel demineralization of NaF treated group reaches 3.7%. While the control group 16.3%. There is statistically significant difference between the two groups (P<0.05). Conclusion:Thereford, the coating NaF...

Objective:The purpose of the research is to evaluate the effects of sodium fluoride film in orthodontic. Methods:Among the 170 cases with labioversion, 85 cases are coated with sodium fluoride on the surface of enamel, wheareas the control group are not. Results:The result indicate that the rate of enamel demineralization of NaF treated group reaches 3.7%. While the control group 16.3%. There is statistically significant difference between the two groups (P<0.05). Conclusion:Thereford, the coating NaF film is an effective approach that prevents enamel from forming white spots and caries in orthodontic.

目的 :研究氟化钠涂膜对正畸临床固定矫治器治疗中产生的牙釉质脱矿或龋坏的预防作用。方法 :170例采用固定矫治器进行治疗的错畸形患者 ,85例做为处理组 ,在托槽粘着后立即在托槽周围的牙面上涂布氟化钠涂膜 ,以后每三个月涂布一次 ;另 85例做为对照组 ,在正畸治疗中托槽周围的牙面不做任何特殊处理。结果 :处理组患者牙釉质表面脱矿发生率 3.7% ;对照组 16 .3%。经统计学处理两组间有显著性差异 (P <0 .0 5 )。结论 :在口腔正畸使用固定矫治器治疗时 ,配合使用氟化钠涂膜对预防正畸治疗中产生的牙釉质脱矿或龋坏是有效的。

To compare the effect of lanthanum, calcium and fluoride on enamel demineralization during the formation of chemicogenic canes. Method: 150 extracted bicuspids were divided into 6 groups, canes was induced with acidulated gel treatment for 7 days,and then the morphology and depth of the canes were observed under polarizing microscope. Result: The carious depth (μm) in the control, lanthanum, calcium, fluorid, lanthanum-prior-to-fluorid and fluoride-prior-to-lanthanum groups were 224. 07, 112. 92, 150....

To compare the effect of lanthanum, calcium and fluoride on enamel demineralization during the formation of chemicogenic canes. Method: 150 extracted bicuspids were divided into 6 groups, canes was induced with acidulated gel treatment for 7 days,and then the morphology and depth of the canes were observed under polarizing microscope. Result: The carious depth (μm) in the control, lanthanum, calcium, fluorid, lanthanum-prior-to-fluorid and fluoride-prior-to-lanthanum groups were 224. 07, 112. 92, 150. 02,179. 63, 181. 32 and 188. 65 respectively. Conclusion: The results may suggest that lanthanum can increase acid resistance of enamel.

目的:用化学致龋法对比镧、钙、氟对釉质脱矿的影响。方法:150个离休前磨牙分成6组,用酸性凝胶化学致龋,偏光显微镜观察龋形态及深度。结果:各实验组龋深度均浅于对照组,镧处理组龋深度浅于钙、氟及镧氟、氟镧先后处理组。结论:推测镧可从改善釉质结构及增加釉质外环境中钙饱和度两方面增强釉质的抗酸能力。

 
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