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root caries     
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  根面龋
     Methods 245 elder patients (323 teeth) with root caries were divided into three groups: group A (n=102 teeth) were treated with glass ionic cement filling;
     方法将245例(323颗)老年人根面龋患者分为三组:A组(n=102颗)用玻璃离子充填治疗;
短句来源
     Effect of Chinese nutgall on experimental root caries demineralization
     五倍子提取液对实验性根面龋再脱矿作用的影响
短句来源
     Methods: 378 teeth with root caries of the 189 aged patients over sixty years were randomly divided into three groups, which were restored with Glass Ionomer cement(GIC), Dyract AP composite(DA) and Tetric Flow flowable composite(TF) respectively. All the aged patients were followed-up for 1 years to compare the clinical effects.
     方法:将60岁以上189例老年人378颗根面龋患牙,随机分成3组,分别用玻璃离子水门汀(GIC),Dyract AP复合体(DA),Tetric Flow流动复合树脂(TF)充填修复,观察1年内的疗效。
短句来源
     Clinical study of treatment of dentine hypersensitivity of quiescent root caries with RECOLITE in the elderly
     RECOLITE治疗老年人静止根面龋伴牙本质过敏症的临床研究
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     This article is investigated root caries of 652 teeth of 459patients to clinical analysis and treatment.
     本文通过对459例45岁至85岁患者的652颗患根面龋牙齿的临床分析和治疗,发现根面患龋率随年龄增长而增高,尤以60岁以上患者多发;
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  根龋
     And the positive rate of actinomyces and lactobacillus of root caries group were obviously higher than those of the control group[36(80.0%)vs 12(40.4%),P<0.05 and 33(73.3%)vs 6(20.2%),P<0.01].
     根龋组放线菌、乳酸杆菌的检出率明显高于无根龋组[36例(80.0%)与12例(40.4%),P<0.05;33例(73.3%)与6例(20.2%),P<0.01]。
短句来源
     Incidence of root caries was 26.7%. x DMFT and x DMFS was 2.27 and 4.61. The percent of filled surface was 72.0%.
     根龋患龋率为26.7%,x DMFT为2.27,x DMFS为4.61,龋面充填构成比为72.0%。 患龋率和龋均随年龄增长呈上升趋势,龋面充填构成比随年龄增长呈下降趋势。
短句来源
     The stepwise multiple regression analysis of dangerous factors of root caries
     根龋及其危险因素的逐步回归分析
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     The bacteriological and pathological study of sealant sealing therapy of root caries
     根龋封闭治疗后的细菌学和病理学研究
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     Conclusions: The clinical results of sealant Concise for prevention and treatment of root caries in elderly patients are well.
     结论:Concise封闭剂防治老年根龋临床效果良好。
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  牙根龋
     Results: Of the 161 old suburbans investigated, 95.03% suffer from dental caries, 5.76%from root caries,47.20% from periodontitis,77.02% from impaired teeth,10.56%from missing teeth, 47.20%from wedge-shaped damages of teeth.
     结果:龋齿患病率为95.03%,牙根龋患病率12.11%; 牙周病患病率47.20%;
短句来源
     Methods Seventy-five elderly people (aged 60~77 years) were divided into 2 groups:Control group of patients without root caries (n=30) and root caries group of patients with root caries without apicitis and pulpitis (n=45).
     方法选择60~77岁老年患者75例,其中患牙根龋无牙髓及根尖炎症者45例为根龋组,根外露无牙根龋者30例为对照组即无根龋组。
短句来源
  “root caries”译为未确定词的双语例句
     CONCLUSION:500×10~(-6)mmol/L lanthanum-contained rinse solution and 10000×10~(-6)mmol/L lanthanum-contained gel are considered to be the lowest effective dose for root carious-resistance,and lanthanum-contained rinse solution maybe especially suitable for the treatment and prevention of dental root caries.
     结论:500×10-6mmol/L和10 000×10-6mmol/L的La3+含量分别是这两种制剂防治根面龋的最低有效浓度,而使用含镧(La)漱口水制剂可能更适合老年人根面龋的防治。
短句来源
     Conclusion : 500×10 -6 mmol/L lanthanum -contained rinse solution and 10000×10 -6 mmol/L lanthanum-contained gel is considered to be the lowest effective dose for root carious-resistance, and lanthanum-contained rinse solution maybe especially suitable for the treatment and prevention of dental root caries.
     结论 :5 0 0× 10 -6mmol/L和 10 0 0 0× 10 -6mmol/L的La3 + 含量分别是这两种制剂防治根龋的最低有效浓度 ,而使用含镧漱口水制剂可能更适合老年人根龋的防治。
短句来源
     Analyzing the risk factors of root caries by Logistic regression analysis
     根面龋的危险因素Logistic回归分析
短句来源
     Root Caries Prevention and Dental Hygiene Care
     牙根龋的预防和牙科保健
短句来源
     1. Prevalence of abrasion & root caries in town and Chuxiong district are:67.79%,
     1.昆明市区和楚雄地区楔状缺损的患病率分别为67.79%与66.50%。
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  root caries
Clinical variables included number of teeth, coronal decayed surfaces (CDS), a modification of the Root Caries Index (RCI_D), and the Community Periodontal Index of Treatment Need (CPITN).
      
The few studies that have been performed in older adults suggest that fluoride toothpaste and, in the case of high caries risk individuals, the adjunctive use of other fluoride delivery systems, may be effective in preventing coronal and root caries.
      
Factors correlating with root caries were: (a) number of missing teeth, (b) probing depth, (c) smoking habit, (d) regular dental attendance and (e) the reason for the last dental treatment.
      
The radiograph often reveals interproximal or root caries, or recurrent caries under a restoration.
      
The relationship between patient compliance with periodontal maintenance treatment and root caries development has not yet been studied.
      
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AbstractThe aim of this study is to determine the preventiveeffect Of F-Mo preparation on artificial rootsurfacecarles.60 premolar teeth extraced for orthodontic purposewere divided into five groups. A window was preparedon every tcoth. They were treated by 10%(NH_4)_2MoO_2F_4 , 38%Ag (NH_4)_2F, 2% NaF, 7. 3%(NH_4)_2MoO_4 and deionized water for 2 minutes andthree times. They were then put in the fluid containedcariogenic bacteria for 96 hours to produce root caries.The root surface lesion of every...

AbstractThe aim of this study is to determine the preventiveeffect Of F-Mo preparation on artificial rootsurfacecarles.60 premolar teeth extraced for orthodontic purposewere divided into five groups. A window was preparedon every tcoth. They were treated by 10%(NH_4)_2MoO_2F_4 , 38%Ag (NH_4)_2F, 2% NaF, 7. 3%(NH_4)_2MoO_4 and deionized water for 2 minutes andthree times. They were then put in the fluid containedcariogenic bacteria for 96 hours to produce root caries.The root surface lesion of every tcoth was examined andanalysed by micro-radiography , SEM and spectrum.The result showed that the lesion depth of thegroups treated by 10% (NH_4)_2MoO_2F_4 and 38%Ag(NH_4)_2F were significantly smaller than the othergroups, and the surface of windows are more integrateand smcoth, and mean mineral concentration is morehigher than those of the other groups.It can be concluded that 10% (NH_4 )_2MoO_2F_4 solu-tion has greater inhibit effect to the development of rootcaries, so as the 38% Ag(NH_4)_2F solution. But the for-mer discolored the tooth much less than the latter.

通过对人工根面龋实验研究,以确定10%氟钼酸铵溶液的防龋作用。选择正畸减数双尖牙60颗,分为五组。根面实验区分别用10%氟钼酸铵、38%氟化氨银、2%氟化钠、7.3%钼酸铵溶液及去离子水处理后,所有标本在混合培养的三种致龋菌菌液中形成人工根面龋。经对各组标本的软X射线照片图象分析、扫描电镜与波谱观测表明:10%氟钼酸铵组与38%氟化铵银组根面人工龋损相似,较其它组明显窄,而表面层增宽,表面较完整,孔洞少,钙离子相对含量也高。因此认为10%氟钼酸铵溶液不仅对根面龋发生、发展有抑制作用,并克服了氟化氨银使牙齿着色的缺点,是预防根面龋较理想的试剂。

Thirty-three persons aged 18-33 years with crown caries or without caries and fifty-two persons aged 47-74 years with crown and root caries or w ithout caries were selected in this test in order to analyse the differenecs of the Orae Health Indexes Salivary flow rates and—mateviats batween persons with caries and without caries. The results showed fhat he Oral Health lndexes ih patlets with caries weve hegher than in persons without Caries canwng the young populatin. Also...

Thirty-three persons aged 18-33 years with crown caries or without caries and fifty-two persons aged 47-74 years with crown and root caries or w ithout caries were selected in this test in order to analyse the differenecs of the Orae Health Indexes Salivary flow rates and—mateviats batween persons with caries and without caries. The results showed fhat he Oral Health lndexes ih patlets with caries weve hegher than in persons without Caries canwng the young populatin. Also the differeaces of the calcium in saliua between patients with root caries and person without caries were significant.

本文以33名18-33岁青年人(无龋组、冠龋组)和52名47-74岁中、老年人(无龋组、冠龋组、根龋组)为检测对象,分析无龋者和龋患者(冠龋、根龋)之间口腔卫生、唾液流率及无机成分含量的差别。结果表明,无龋者唾液率高于龋患者(冠龋、根龋),但无显著性差异;龋患者OHIs高于无龋者,但仅在青年人中有非常显著性差异。中、老年人根龋组的唾液钙含量显著高于无龋组,除此之外,龋患者唾液无机成分含量并不低于无龋者,可能与脱矿有关。

The influences of trace elements lanthanum, cerium and fluorine to the ac-tivity of clostridium histolyticum collagenase (CHC) during the period of CHC degrading thecemental root collagen in vitro is studied. The results reveal that La3+ can significantly inhibitthe activity of the CHC than Ce3+ and F. Therefore it suggests that lanthanum may be usedas a new kind of element in preventing root caries. The mechanisms of above functions are also discussed.

作者对在胶原酶分解人离体牙根面胶原的过程中微量元素湖(La3+)、铈(Ce3+)及氟(F)等对溶组织梭状芽胞杆菌胶原酶(CHC)活性的影响进行了研究。结果表明La3+较Ce3+、F具有更明显地抑制CHC活性的作用,提示在根龋防治中La3+不失为一种有应用前景的微量元素。文中还对La3+、Ce3+等对胶原酶的作用机制进行了探讨。

 
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