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| 1 | Apical Root Resorption in Maxillary Incisors When Employing Micro-implant and J-hook Headgear Anchorage: A 4-month Radiographic Study显示文摘This study evaluated,over a 4-month study period,the amount of apical root resorption occurring in maxillary central incisors following their retraction when employing either micro-implant or J-hook headgear anchorage.The prospective randomised clinical trial was conducted in Orthodontic Clinic,College of Stomatology,China from 2008-2009.Subjects are patients requiring fixed appliances on waiting list (n=20).In female Han Chinese patients aged from 16-26 years,standardized periapical radiographs from 10 randomly assigned patients with maxillary protrusions comprising the micro-implant group,and from 10 similar patients comprising the J-hook headgear group,were assessed for maxillary central incisor apical root resorption.Measurements before and after orthodontic therapy were also obtained from lateral cephalometric radiographs to calculate incisor horizontal retraction and vertical intrusion distances.Estimated retraction force vectors were calculated in horizontal and vertical directions for both treatment groups.Data analysis employed t-tests and the Pearson correlation test,with α=0.05 for statistical significance.The results showed that when compared with the J-hook group,significantly more apical root resorption shortening of the maxillary central incisors was observed in the micro-implant group (1.27 mm difference,95% CI=0.70-1.84,P<0.001),which was associated with a significantly larger retraction distance (P=0.004) and a smaller vertical force component (P<0.0001).We are led to conclude that continuous activation of the nickel-titanium coil springs used in the micro-implant group resulted in significantly more apical root resorption shortening and maxillary central incisor retraction than when intermittent J-hook retraction was employed.The employment of continuous duration orthodontic forces presents a risk for increased apical root resorption that requires careful radiographic monitoring. | 王晴竹 陈文静 Roger J Smales 彭辉 胡小坤 尹璐 | 2012 | Journal of Huazhong University of Science and Technology(Medical Sciences)2012，32，5： | 5 |
| 2 | 放射性龋齿充填治疗的临床效果评估显示文摘目的 评估放射性龋充填治疗的临床疗效。方法 对 1 5例放射性龋患者的 1 4 6个龋洞分别采用Ketac Molar和FujiIX充填 ,各充填 73个龋洞。临床观察 2年后 ,用美国公共健康部制定的评定系统 (USPHS)进行疗效评估。结果 ①Ketac Molar和FujiIX 2年的完好率分别为 51 7%和52 3 % ,差异无显著性 (P >0 0 5)。②治疗失败及缺陷主要发生在术后 1年和 2年 ,失败的主要原因是充填体脱落 ,边缘着色是两组材料共有的缺陷。③两组材料除在固位情况方面差异极显著外 (P <0 0 1 ) ,其他项目差异均无显著性 (P >0 0 5)。结论 放射性龋使用上述两种材料充填治疗 ,完好率较高 ,有较好的实用性 ,其中FujiIX更优于Ketac Molar。 | 胡健英 李雨琴 Roger J Smales 叶克刚 | 2002 | 中华口腔医学杂志2002，37，6： | 5 |
| 3 | Prevalence and Mechanism of Nonsteroidal Anti-Inflammatory Drug–Induced Clinical Relapse in Patients With Inflammatory Bowel Disease显示文摘 | Ken Takeuchi Simon Smale Purushothaman Premchand Laurence Maiden Roy Sherwood Bjarni Thjodleifsson Einar Bjornsson Ingvar Bjarnason | 2006 | Clinical Gastroenterology and Hepatology2006，，2： | 4 |
| 4 | Global research trends in the microbiome related to irritable bowel syndrome: A bibliometric and visualized study显示文摘BACKGROUND Irritable bowel syndrome(IBS) is a common functional gastrointestinal disorder. Dysregulation of the gut–brain axis plays a central role in the pathophysiology of IBS. It is increasingly clear that the microbiome plays a key role in the development and normal functioning of the gut–brain axis.AIM To facilitate the identification of specific areas of focus that may be of relevance to future research. This study represents a bibliometric analysis of the literature pertaining to the microbiome in IBS to understand the development of this field.METHODS The data used in our bibliometric analysis were retrieved from the Scopus database. The terms related to IBS and microbiome were searched in titles or abstracts within the period of 2000–2019. VOSviewer software was used for data visualization.RESULTS A total of 13055 documents related to IBS were retrieved at the global level. There were 1872 scientific publications focused on the microbiome in IBS. There was a strong positive correlation between publication productivity related to IBS in all fields and productivity related to the microbiome in IBS(r = 0.951, P < 0.001). The United States was the most prolific country with 449(24%) publications, followed by the United Kingdom(n = 176, 9.4%), China(n = 154, 8.2%), and Italy(n = 151, 8.1%). The h-index for all retrieved publications related to the microbiome in IBS was 138. The hot topics were stratified into four clusters:(1) The gut–brain axis related to IBS;(2) Clinical trials related to IBS and the microbiome;(3) Drugmediated manipulation of the gut microbiome;and(4) The role of the altered composition of intestinal microbiota in IBS prevention.CONCLUSION This is the first study to evaluate and quantify global research productivity pertaining to the microbiome in IBS. The number of publications regarding the gut microbiota in IBS has continuously grown since 2013. This finding suggests that the future outlook for interventions targeting the gut microbiota in IBS remains promising. | Sa'ed H Zyoud Simon Smale W Stephen Waring Waleed Sweileh Samah W Al-Jabi | 2021 | World Journal of Gastroenterology2021，27，13： | 2 |
| 5 | 动力系统学的回顾:重大问题,失败的尝试显示文摘动力系统的十个问题。 | Smale,S 余建明 | 1993 | 数学译林1993，12，4： | 2 |
| 6 | Endogenous Circadian Rhythm in Vasovagal Response to Head-Up Tilt显示文摘 | Kun Hu Frank A.J.L. Scheer Michael Laker Carolina Smales Steven A. Shea | 2011 | Circulation2011，，9： | 2 |
| 7 | Differentiable dynamical systems 显示文摘 | Smale S | 1967 | Bull Amer Math Soc1967，73，： | 1 |
| 8 | The distribution of matrix metalloproteinases and tissue inhibitor of metallopro teinases in colorectal cancer显示文摘 | Gallegos NC Smales C Savage FJ | 1995 | Surg Oncol1995，4，： | 1 |
| 9 | Octopus beak identification-resolution at a regional level (Cephalopoda, Octopoda: Southern Africa) 显示文摘 | Smale M J Clarke M R Klages N T | 1993 | S Afr J Mar Sci1993，13，1： | 1 |
| 10 | Comparison of the external dimensions t I of capripoxvirus isolates显示文摘 | m Kitching R P Smale C | 1986 | Res Vet Sci1986，41，： | 1 |
| 11 | Functional potential in chronic stroke patients depends on corticospinal tract integrity显示文摘 | Stinear CM Barber PA Smale PR | 2007 | Brain2007，130，3： | 1 |
| 12 | Differentiable dynamical systems显示文摘 | Smale S | 1967 | Bull Amer Math Soc1967，73，： | 1 |
| 13 | Restraint of inflammatory signalingby interdependent strata of negative regulatory pathways显示文摘 | Murray PJ Smale ST | 2012 | Nat Immunol2012，13，10： | 1 |
| 14 | The Impacts of CO2 Emissions Trading on Firm Profits and Market Prices 显示文摘 | SMALE R HARTLEY M HEPBURN C | 2006 | Climate Policy2006，6，1： | 1 |
| 15 | A review of numerical models of airflow in refrigerated food applications显示文摘 | N J Smale J Moureh G Cortella | | 0，，06： | 1 |
| 16 | On the mathematical foundations of learning theory显示文摘 | Cucker F Smale S | 2001 | Bull Amer Math Soc2001，39，1： | 1 |
| 17 | Evidence for apoptotic cell death in Alzheimer's disease显示文摘 | SMALE G | 1995 | Exp Neurol1995，133，2： | 1 |
| 18 | Optimum post and tooth root diameters for a cast post-core system 显示文摘 | Mou YB Chen YM Smales RJ | 2009 | Am J Dent2009，22，5： | 1 |
| 19 | Differentiable dynamical systems 显示文摘 | SMALE S | 1967 | Bull A- mer Math Soc1967，73，： | 1 |
| 20 | Apical root resorption 6 months after initiation of fixed orthodontic appliance therapy 显示文摘 | Smale I Artun J Behbehani F | 2005 | Am J Orthod Dentofacial Orthop2005，128，： | 1 |
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