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dentin desensitizers
相关语句
  牙本质脱敏剂
     Effect of Dentin Desensitizers on the Adhesion Strength of Adhesive Agents and the Dentin
     应用牙本质脱敏剂对粘接剂与牙本质间粘接强度的影响
短句来源
     Objective: To evaluate the influence of three dentin desensitizers on shear bond strengths of a total-etch adhesive to dentin surfaces.
     目的:研究三种牙本质脱敏剂处理牙本质表面后对全酸蚀粘接剂剪切强度的影响。
短句来源
     Objective: To evaluate the influence of three dentin desensitizers on shear bond strengths of a total-etch adhesive to dentin surfaces.
     目的:研究3种牙本质脱敏剂处理牙本质表面后对全酸蚀粘接剂剪切强度的影响。
短句来源
  脱敏剂
     Conclusions: Based on the limited results of this study, it can be concluded that the three dentin desensitizers decreased the bond strength of Single Bond bonding system.
     结论:本实验结果显示,使用脱敏剂处理牙本质表面会显著降低Single Bond的粘接强度。
短句来源
     Effect of Dentin Desensitizers on the Adhesion Strength of Adhesive Agents and the Dentin
     应用牙本质脱敏剂对粘接剂与牙本质间粘接强度的影响
短句来源
     They were randomly assigned to four groups according the kinds of luting agents, every group was randomly assigned to four groups according the kinds of dentin desensitizers, one control group and three test groups, 8 teeth in each group.
     按粘接剂种类随机分为四大组,每大组按脱敏剂分为四小组,一个对照组和三个实验组,每组8个样本。
短句来源
     Their buccal dentin was exposed and a standardized circular area was isolated. They were randomly divided into three experiment groups and one control group. Dentin desensitizers included Systemp desensitizer,Seal&protectTM desensitizer and Gluma desensitizer.
     方法:新鲜离体正畸牙48颗,随机分为4组(3组为实验组,1组为对照组),分别用Systemp脱敏剂(A组)、Seal&protectTM脱敏剂(B组)、Gluma脱敏剂(C组)对实验组暴露的牙本质表面进行处理。
短句来源
     Materials and Methods: Materials:adhesive agents (GIC, PCC, ZPC, RC)dentin desensitizers (Gluma, Green or, Seal & Protect)Methods:
     脱敏剂(Gluma脱敏剂、极固宁~(TM)、Seal & Protect)
短句来源
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Objective: To evaluate the influence of three dentin desensitizers on shear bond strengths of a total-etch adhesive to dentin surfaces. Methods: Forty recently extracted human premolars stored in 0.1% thymol were used. The buccal and lingual surfaces of teeth were prepared to create flat dentine surfaces. Then each dentin surface was mounted in autopolymeric resin. Eighty flat dentine surfaces were divided into eight groups. Dentin specimens treated with 30% potassium oxalate, 33% potassium...

Objective: To evaluate the influence of three dentin desensitizers on shear bond strengths of a total-etch adhesive to dentin surfaces. Methods: Forty recently extracted human premolars stored in 0.1% thymol were used. The buccal and lingual surfaces of teeth were prepared to create flat dentine surfaces. Then each dentin surface was mounted in autopolymeric resin. Eighty flat dentine surfaces were divided into eight groups. Dentin specimens treated with 30% potassium oxalate, 33% potassium nitrate, Green Or,distilled water respectively before and after acid-etch treatment were bonded with a two-step adhesive. Resin composite were then placed. The specimens were stored in distilled water at 37℃ for 24 hours , then shear bond strengths were measured by using a Universal Testing Machine at a crosshead speed of 0.5mm/min. Two-way ANOVA and Tukey's tests were used to compare the different conditions for the total-etch system. Results: For the water-treated group, shear bond strength was significantly greater than desensitizers-treated groups. However, when any of the dentine desensitizer was applied before and after acid-etch treatment, there was no significantly difference. Conclusions: Based on the limited results of this study, it can be concluded that the three dentin desensitizers decreased the bond strength of Single Bond bonding system.

目的:研究3种牙本质脱敏剂处理牙本质表面后对全酸蚀粘接剂剪切强度的影响。方法:收集因正畸治疗需要拔除的双尖牙40颗。截去牙根,将牙冠切为颊、舌两部分。磨去颊、舌表面的釉质层,预备成牙本质平面,暴露牙本质面,将其余部分包埋于自凝树脂中。将80个样本分为8组, 酸蚀前、酸蚀后依次用30%草酸钾、33%硝酸钾、极固宁、三蒸水处理牙本质表面。样本在37℃水浴中浸泡24h后测量剪切强度,加载速度为0. 5mm/min。用双因素方差分析和Turkey’s检验对数据进行分析。结果:三蒸水处理组的剪切强度显著高于脱敏剂处理组。但无论使用哪一种脱敏剂在酸蚀前或者酸蚀后处理牙本质,对剪切强度影响无显著性差异。结论:本实验结果显示,使用脱敏剂处理牙本质表面会显著降低SingleBond的粘接强度。

PURPOSE: The purpose of this in vitro study was to evaluate the sealing effects on tubule by three different dentin desensitizers. METHODS: 48 freshly extracted human premolars were selected. Their buccal dentin was exposed and a standardized circular area was isolated. They were randomly divided into three experiment groups and one control group. Dentin desensitizers included Systemp desensitizer,Seal&protectTM desensitizer and Gluma desensitizer. Twelve teeth were prepared for each test group...

PURPOSE: The purpose of this in vitro study was to evaluate the sealing effects on tubule by three different dentin desensitizers. METHODS: 48 freshly extracted human premolars were selected. Their buccal dentin was exposed and a standardized circular area was isolated. They were randomly divided into three experiment groups and one control group. Dentin desensitizers included Systemp desensitizer,Seal&protectTM desensitizer and Gluma desensitizer. Twelve teeth were prepared for each test group (36 teeth total),and the other twelve teeth were selected as a control group. After the removal of cement,the dentin surfaces were cleaned,treated. Then the teeth were vertically cleaved into two sections. The surface and section of these teeth were observed by means of a scanning electron microscope. RESULTS: All 3 desensitizers could seal the tubules on dentin surface. Systemp desensitizer's dentin permeability was better than Seal&protectTM,but Gluma had no dentin permeability. CONCLUTION: 3 desensitizers had sealing effect on tubule ,systemo desensitizer was the best one.

目的:比较3种脱敏剂封闭牙本质小管的效果。方法:新鲜离体正畸牙48颗,随机分为4组(3组为实验组,1组为对照组),分别用Systemp脱敏剂(A组)、Seal&protectTM脱敏剂(B组)、Gluma脱敏剂(C组)对实验组暴露的牙本质表面进行处理。然后劈开离体牙处理面,用扫描电镜分别对牙本质表面和剖面进行观察,在组间进行即刻和3个月后(模拟)效果的比较,并与对照组进行比较。结果:3种脱敏剂均在牙本质表面形成封闭,A组和B组还在牙本质小管内形成“树脂突”样结构,且A组较深,而C组没有“树脂突”形成。结论:3种脱敏剂都能取得封闭牙本质小管的效果,Systemp较另两者的封闭性/耐久性可能更佳。

 
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