2,129 research outputs found

    Moscow and arms control : evidence from the Sino-Soviet dispute

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    "1604"--handwritten on cover"June 1965."Includes bibliographical reference

    NATO AND THE WARSAW PACT

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    No indictment for Moscow war criminals?

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    This repository item contains a single issue of Behind the Breaking News, a briefing published from 1999 to 2009 by the Boston University Institute for the Study of Conflict, Ideology, and Policy

    Adjunctive laser or antimicrobial photodynamic therapy to non-surgical mechanical instrumentation in patients with untreated periodontitis. A systematic review and meta-analysis.

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    AIM To compare the adjunctive effects of lasers or antimicrobial photodynamic therapy (aPDT) to non-surgical mechanical instrumentation alone in untreated periodontitis patients. MATERIALS AND METHODS Two focused questions were addressed using the Population, Intervention, Comparison and Outcome criteria as follows: in patients with untreated periodontitis, i) does laser application provide adjunctive effects on probing pocket depth (PPD) changes compared with non-surgical instrumentation alone? and ii) does application of aPDT provide adjunctive effects on PPD changes compared with non-surgical instrumentation alone? Both randomized controlled clinical trials (RCTs) and controlled clinical trials (CCTs) were included. Results of the meta-analysis are expressed as weighted mean differences (WMD) and reported according to the PRISMA guidelines. RESULTS Out of 1'202 records, 10 articles for adjunctive laser and 8 for adjunctive aPDT were included. With respect to PPD changes, 1 meta-analysis including 2 articles (total n = 42; split-mouth design) failed to identify a statistically significant difference (WMD = 0.35 mm; 95%CI:-0.04/0.73; p = .08) in favour of adjunctive aPDT (wavelength range 650-700 nm). In terms of adjunctive laser application a high variability of clinical outcomes at 6 months was noted. Two articles included patient-reported outcomes and 10 reported on the presence/absence of harms/adverse effects. CONCLUSIONS Available evidence on adjunctive therapy with lasers and aPDT is limited by (i) the low number of controlled studies and (ii) the heterogeneity of study designs. Patient-reported benefits remain to be demonstrated

    Annex to report on Soviet interest in arms control and disarmament

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    "February 1, 1965.""1559"--handwritten on coverIncludes bibliographical reference

    Efficacy of tooth splinting and occlusal adjustment in patients with periodontitis exhibiting masticatory dysfunction: A systematic review

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    Objective: To evaluate the efficacy of tooth splinting (TS) and occlusal adjustment (OA) compared to no TS or OA in patients with periodontitis exhibiting masticatory dysfunction. Material: The primary outcome criterion was tooth loss (TL), and the secondary outcome parameters were change in probing pocket depth (PPD), change in clinical attachment level (CAL), tooth mobility (TM), and patient-reported outcome measures (PROMs). Literature search was performed on three electronic databases (from 01/1965 to 04/2021) and focused on clinical studies with at least 12 months follow-up. Results: From a total of 1515 publications, 51 articles were identified for full-text reading, of which 2 retrospective case series on TS with low risk of bias and 1 randomized and 2 prospective studies on OA with unclear risk of bias were included. For TS, synthesis of data showed that in 72 patients, 26 out of 311 teeth (weighted mean incidence of TL 8.4%) and 156 out of 1541 teeth with no TS (weighted mean incidence of TL 10.1%) were lost over 2 years following non-surgical periodontal therapy. The randomized controlled clinical trial (RCT) indicated CAL gain for teeth with OA compared to no OA. For the effect of OA on TL, PPD, and TM, heterogeneous data were retrieved from the included studies. Conclusions: Within the limitations of this review and based on a low level of evidence, it is concluded that TS does not improve survival of mobile teeth in patients with advanced periodontitis. OA on teeth with mobility and/or premature contacts may lead to improved CAL, while the effect of OA on the remaining periodontal parameters remains unclear

    Traditional or regenerative periodontal surgery?-a comparison of the publications between two periodontal journals over time

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    OBJECTIVES The objective is to compare the amount and content of publications regarding traditional or regenerative periodontal surgery in the years 1982/1983 and 2012/2013 in two leading periodontal journals of North America and Europe. MATERIAL AND METHODS The search was carried out in the Journal of Periodontology and Journal of Clinical Periodontology. Four reviewers screened the articles and allocated the topics with respect to periodontal surgery. The distribution of articles with respect to traditional or regenerative periodontal surgery was then compared between the journals and the respective time periods. RESULTS Out of 1084 screened articles, 145 articles were included. Articles with periodontal surgery content amounted to 18% for the first time period and to 11% for the second time period. In the years 1982/1983, 7% of articles in the Journal of Periodontology and 8% in the Journal of Clinical Periodontology referred to traditional periodontal surgery, while 8% (Journal of Periodontology) and 5% (Journal of Clinical Periodontology) examined regenerative periodontal surgery. The distribution changed 30 years later, with 1% (Journal of Periodontology) and 3% (Journal of Clinical Periodontology) traditional periodontal surgery and 7% and 6% regenerative periodontal surgery content. CONCLUSION While the clinical need for traditional periodontal surgery remained, research in this important field decreased. Publications rather tended to focus on adjunctive regenerative measures. CLINICAL RELEVANCE Periodontal surgery with adjunctive regenerative measures is an established and well-documented clinical procedure. However, with respect to the dominance of horizontal bone loss in periodontally diseased patients, there is a need for ongoing research with focus on traditional periodontal surgery

    Treatment with Octreotide in Patients with Well-Differentiated Neuroendocrine Tumors of the Ileum: Prognostic Stratification with Ga-68-DOTA-TATE Positron Emission Tomography

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    We investigated the use of Ga-68-DOTA-Tyr(3)-octreotate (Ga-68-DOTA-TATE) positron emission tomography (PET) and standardized uptake values (SUVs) to predict the effectiveness of treatment with the somatostatin analogue octreotide acetate (Sandostatin LAR) in patients with neuroendocrine tumors (NETs). Thirty patients with well-differentiated NETs of the ileum (grades G1 and G2) were studied with Ga-68-DOTA-TATE. The average SUV of a 50% isocontour volume of interest covering the lesion with maximum uptake (SUVmean) and the maximum SUV (SUVmax) were determined. Patients were followed up, and the time to progression was recorded. Twenty-one patients showed progressive disease at the end of the study;nine patients had stable disease. The median progression-free survival (PFS) was 51.0 weeks (95% confidence interval [CI] 26.4-75.6). A cutoff for the SUVmax of 29.4 and for the SUVmean of 20.3 could separate between patients with a long PFS (69.0 weeks; 95% CI 9.8-128.2) and a short PFS (26.0 weeks; 95% CI 8.7-43.3) response to octreotide acetate therapy. Patients with high radiotracer uptake had significantly higher PFS with a 2.9-fold higher chance for stable disease after 45 weeks;however, the prognostic performance of SUVmax on an individual basis was poor, with a sensitivity of 75% and a specificity of 64%. SUVmax and SUVmean of NET tumor lesions in Ga-68-DOTA-TATE PET are important prognostic indices for predicting the response to therapy with octreotide acetate
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