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Bone loss-related factors in tissue and bone level dental implants: a systematic review of clinical trials

  • Mortazavi, Hamed;Khodadoustan, Amin;Kheiri, Aida;Kheiri, Lida
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • 제47권3호
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    • pp.153-174
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    • 2021
  • Dental implants are popular for dental rehabilitation after tooth loss. The goal of this systematic review was to assess bone changes around bone-level and tissue-level implants and the possible causes. Electronic searches of PubMed, Google Scholar, Scopus, and Web of Science, and a hand search limited to English language clinical trials were performed according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines up to September 2020. Studies that stated the type of implants used, and that reported bone-level changes after insertion met the inclusion criteria. The risk of bias was also evaluated. A total of 38 studies were included. Eighteen studies only used bone-level implants, 10 utilized tissue-level designs and 10 observed bone-level changes in both types of implants. Based on bias assessments, evaluating the risk of bias was not applicable in most studies. There are vast differences in methodologies, follow-ups, and multifactorial characteristics of bone loss around implants, which makes direct comparison impossible. Therefore, further well-structured studies are needed.

번역불가능성을 통한 비교문학의 재사유 (The Reconsideration of Comparative Literature through the Untranslatability)

  • 송은주
    • 영미문화
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    • 제14권2호
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    • pp.159-183
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    • 2014
  • This thesis aims to explore another possibility of comparative literature in the light of translation. Comparative literature has been criticized for its Eurocentrism to attempt to assimilate all differences from other cultures and national literatures into the frame of the Western. On the other hand, it has been haunted by the anxiety of "unhomliness", which means it doesn't have a stable and definable terrain as an independent disciplinary. However, it can offer the possibility to overcome its limitation and thematize in- betweenness of diverse terrains due to its fluid and ambiguous position and identity of discipline. When it deals with the issue of in-betweenness, 'the Untranslatable' can be an helpful apparatus to analyze comparative literature through translation theories. Along with the recent change in the study of comparative literature under the influence of transnationalism and hybridization, the role of translation which has been disregarded for a long time is being reevaluated. Translation functions to transfer literary works beyond boundaries of languages, whereas it visualizes incommensurable differences through the failure of finding ultimate equivalences between languages and arriving at one single meaning. The existence of the untranslatable suggests that the attempt to totalize differences is unfeasible, thereby makes comparison unending. Salman Rushdie's Shalimar the Clown can be an appropriate instance that the untranslatable was used as a literary technique to show unreducible alterity of non-Western language and culture.

A Satisfaction Survey on the Human Translation Outcomes and Machine Translation Post-Editing Outcomes

  • Hong, Junghee;Lee, Il Jae
    • International journal of advanced smart convergence
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    • 제10권2호
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    • pp.86-96
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    • 2021
  • This cross-sectional survey research carried out with the inquisitive agenda on satisfaction of the translation outcomes as performed by human translation and (machine translation) post-editing. The survey group consisted of 166 Korean translators primarily working with the English, Chinese, and Japanese languages. They were asked to rate the satisfactory level with accuracy, fluency, idiomatic expression, and terminology in the Richter's scale of four. The result reveals that human translation is more satisfactory than post-editing with respect to accuracy, but it is uneasy to assert that accuracy is unsatisfactory in post-editing. On the other hand, the Korean translators are less satisfied with fluency, idiomatic expression, and terminology than accuracy. It can be assumed that although human translation is more satisfactory than post-editing, the accuracy of post-editing seems to be more acknowledged than fluency, idiomatic expression, and terminology, which lead the translators to take the accuracy of raw machine-translation products and to go on to improve the fluency, idiomatic expression, and terminology. Nevertheless, Korean translators believe Korean idiomatic expressions cannot be satisfactorily produced in post-editing, while fluency and terminology can be improved in post-editing.

Distribution of Environmental Awareness Applying an Ecological Theory of Ted Hughes

  • CHO, Jongwhee
    • 유통과학연구
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    • 제19권9호
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    • pp.53-64
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    • 2021
  • Purpose: The current study aims and reviews the current state of research in green awareness' distribution structure using the ecological theory of Ted Hughes who was regarded as one of the best English poets of the 20 century. Ted poetry has innovated ecological distribution. It has inspired so many young people to have a positive energy impact on the environment. Research design, data and methodology: Action research design is an approach used extensively in qualitative content analysis. This design starts by adopting an exploratory claim that develops the research objectives, hence instigating the action process, which involves several strategies. This type of design involves a cyclic process of stance then action. Results: According to the investigation, there are nine solutions that can deal with the green distribution based on previous literature review, applying an ecological approach of Ted Hughes to green awareness distribution. The solutions figured out that Ted's novels had an innovative impact on the environment as it is clear that information is given to society. Conclusions: It is observed that having a highly professional environment is good enough for a structure to go green. But, on the other hand, polluting our environment can endanger species by causing health diseases and environmental problems.

Speech recognition rates and acoustic analyses of English vowels produced by Korean students

  • Yang, Byunggon
    • 말소리와 음성과학
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    • 제14권2호
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    • pp.11-17
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    • 2022
  • English vowels play an important role in verbal communication. However, Korean students tend to experience difficulty pronouncing a certain set of vowels despite extensive education in English. The aim of this study is to apply speech recognition software to evaluate Korean students' pronunciation of English vowels in minimal pair words and then to examine acoustic characteristics of the pairs in order to check their pronunciation problems. Thirty female Korean college students participated in the recording. Speech recognition rates were obtained to examine which English vowels were correctly pronounced. To compare and verify the recognition results, such acoustic analyses as the first and second formant trajectories and durations were also collected using Praat. The results showed an overall recognition rate of 54.7%. Some students incorrectly switched the tense and lax counterparts and produced the same vowel sounds for qualitatively different English vowels. From the acoustic analyses of the vowel formant trajectories, some of these vowel pairs were almost overlapped or exhibited slight acoustic differences at the majority of the measurement points. On the other hand, statistical analyses on the first formant trajectories of the three vowel pairs revealed significant differences throughout the measurement points, a finding that requires further investigation. Durational comparisons revealed a consistent pattern among the vowel pairs. The author concludes that speech recognition and analysis software can be useful to diagnose pronunciation problems of English-language learners.

A new framework for Person Re-identification: Integrated level feature pattern (ILEP)

  • Manimaran, V.;Srinivasagan, K.G.;Gokul, S.;Jacob, I.Jeena;Baburenagarajan, S.
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제15권12호
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    • pp.4456-4475
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    • 2021
  • The system for re-identifying persons is used to find and verify the persons crossing through different spots using various cameras. Much research has been done to re-identify the person by utilising features with deep-learned or hand-crafted information. Deep learning techniques segregate and analyse the features of their layers in various forms, and the output is complex feature vectors. This paper proposes a distinctive framework called Integrated Level Feature Pattern (ILFP) framework, which integrates local and global features. A new deep learning architecture named modified XceptionNet (m-XceptionNet) is also proposed in this work, which extracts the global features effectively with lesser complexity. The proposed framework gives better performance in Rank1 metric for Market1501 (96.15%), CUHK03 (82.29%) and the newly created NEC01 (96.66%) datasets than the existing works. The mean Average Precision (mAP) calculated using the proposed framework gives 92%, 85% and 98%, respectively, for the same datasets.

Challenges to Achieving Universal Health Coverage Throughout the World: A Systematic Review

  • Darrudi, Alireza;Khoonsari, Mohammad Hossein Ketabchi;Tajvar, Maryam
    • Journal of Preventive Medicine and Public Health
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    • 제55권2호
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    • pp.125-133
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    • 2022
  • Objectives: No systematic review has explored the challenges related to worldwide universal health coverage (UHC). This study reviewed challenges on the road to UHC. Methods: A systematic electronic search of all studies that identified the challenges of worldwide UHC was conducted, without any restrictions related to the publication date or language. A hand search and a bibliographic search were also conducted to identify which texts to include in this study. These sources and citations yielded a total of 2500 articles, only 26 of which met the inclusion criteria. Relevant data from these papers were extracted, summarized, grouped, and reported in tables. Results: Of the 26 included studies, 7 (27%) were reviews, 6 (23%) were reports, and 13 (50%) had another type of study design. The publication dates of the included studies ranged from 2011 to 2020. Nine studies (35%) were published in 2019. Using the World Health Organization conceptual model, data on all of the challenges related to UHC in terms of the 4 functions of health systems (stewardship, creating resource, financing, and delivering services) were extracted from the included studies and reported. Conclusions: This study provides a straightforward summary of previous studies that explored the challenges related to UHC and conducted an in-depth analysis of viable solutions.

청소년의 심리적 특성이 생활안전의식에 미치는 영향 (The Effect of Psychological Characteristics of Adolescents on Life Safety Awareness)

  • 임숙희;이진경;이재영
    • 대한안전경영과학회지
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    • 제25권2호
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    • pp.49-57
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    • 2023
  • The purpose of this study is to explore how adolescents' psychological characteristics affect their sense of life safety according to gender. To this end, a survey was conducted on male and female high school students in six schools in the C area, and a total of 1,048 data were used for analysis. Differences in major variables according to gender were verified, and the effect of psychological characteristics on living safety awareness was analyzed through hierarchical multiple regression analysis. As a result of the analysis, depression, anxiety, type A characteristics, and the presence or absence of experience in accidents did not significantly affect life safety awareness in the male student group. On the other hand, in the female student group, anxiety and type A characteristics had a significant effect on life safety awareness. Anxiety negatively affects living safety awareness, and type A characteristics have been shown to have a positive effect on living safety awareness. The presence or absence of depression and accident experience did not significantly affect life safety awareness. The results of these studies suggest that gender differences should be considered in education to prevent life safety awareness and that education that reflects the psychological characteristics of adolescents is necessary.

Does minimally invasive canal preparation provide higher fracture resistance of endodontically treated teeth? A systematic review of in vitro studies

  • Sila Nur Usta;Emmanuel Joao Nogueira Leal Silva;Seda Falakaloglu;Mustafa Gundogar
    • Restorative Dentistry and Endodontics
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    • 제48권4호
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    • pp.34.1-34.12
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    • 2023
  • This systematic review aimed to investigate whether minimally invasive root canal preparation ensures higher fracture resistance compared to conventional root canal preparation in endodontically treated teeth (ETT). A comprehensive search strategy was conducted on the "PubMed, Web of Science, and Scopus" databases, alongside reference and hand searches, with language restrictions applied. Two independent reviews selected pertinent laboratory studies that explored the effect of minimally invasive root canal preparation on fracture resistance, in comparison to larger preparation counterparts. The quality of the studies was assessed, and the risk of bias was categorized as low, moderate, or high. The electronic search yielded a total of 1,767 articles. After applying eligibility criteria, 8 studies were included. Given the low methodological quality of these studies and the large variability of fracture resistance values, the impact of reduced apical size and/or taper on the fracture resistance of the ETT can be considered uncertain. This systematic review could not reveal sufficient evidence regarding the effect of minimally invasive preparation on increasing fracture resistance of ETT, primarily due to the inherent limitations of the studies and the moderate risk of bias.

Digital Forensic Investigation on Social Media Platforms: A Survey on Emerging Machine Learning Approaches

  • Abdullahi Aminu Kazaure;Aman Jantan;Mohd Najwadi Yusoff
    • Journal of Information Science Theory and Practice
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    • 제12권1호
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    • pp.39-59
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    • 2024
  • An online social network is a platform that is continuously expanding, which enables groups of people to share their views and communicate with one another using the Internet. The social relations among members of the public are significantly improved because of this gesture. Despite these advantages and opportunities, criminals are continuing to broaden their attempts to exploit people by making use of techniques and approaches designed to undermine and exploit their victims for criminal activities. The field of digital forensics, on the other hand, has made significant progress in reducing the impact of this risk. Even though most of these digital forensic investigation techniques are carried out manually, most of these methods are not usually appropriate for use with online social networks due to their complexity, growth in data volumes, and technical issues that are present in these environments. In both civil and criminal cases, including sexual harassment, intellectual property theft, cyberstalking, online terrorism, and cyberbullying, forensic investigations on social media platforms have become more crucial. This study explores the use of machine learning techniques for addressing criminal incidents on social media platforms, particularly during forensic investigations. In addition, it outlines some of the difficulties encountered by forensic investigators while investigating crimes on social networking sites.