bluuebunny/crossref_metadata_2025_split huggingface dataset:
The overall esthetic assessment of anterior single-tooth implant restoration using esthetic sustainable criteria in 5-year clinical cross-sectional study
Authors:   , Sangprasertkul Tharitsawan 
Published: April 2023

Objective: To compare the esthetic score (using the Esthetic Sustainable Criteria) among titanium, zirconia and gold alloy abutments of single tooth implant in 5 years follow up.

Mateirals and Methods: 24 patients who were treated with single anterior implant at Faculty of Dentistry, Chulalongkorn University were recruited. There were 8 patients for each abutment material. Demographic data, biological parameters such as modified plaque index (mPI), modified sulcus bleeding index (mSBI), probing depth (PD), radiographic images (Periapical films and CBCT images) were collected. The esthetic score (gingival, prosthodontic and bone score) was evaluated according to the Esthetic Sustainable Criteria. The mean difference of modified sulcus bleeding index, gingival score, prosthodontic score and bone score were analysed by Kruskal-Wallis. While the mean differences of labial bone thickness, labial bone height, the distance from implant platform to the first bone-implant contact (DIB), pocket depth were compared by One-Way ANOVA. Furthermore, the comparison of labial bone thickness and height between 0-2 years and 5 years were analyzed by paired t-test, which 0.05 was the significant level.

Results: All abutment materials showed similar modified plaque index (mPI), modified sulcus bleeding index (mSBI), mean of probing depth (PD) and esthetic score (gingival, prosthodontic and bone score). Moreover, zirconia abutment illustrated better implant axis score than titanium abutment significantly. Furthermore, labial bone thickness was significantly reduced from 0-2 years to 5 years in titanium and zirconia abutments. And labial bone height was also shown to be significantly decreased in zirconia and gold alloy groups.

Conclusion: Within the limitations of this study, these three abutment materials showed the similar acceptable status for periodontal parameters such as modified plaque index, modified sulcus bleeding index, probing depth, esthetic score in term of peri-implant soft tissue and prosthesis during 5 years follow up period. However, the comparison of labial bone thickness and height alterations among abutment materials could not be concluded. Because the number of CBCT images at 0-2 years in each abutment group was not equal. It was suggested that more study with a larger sample size should be conducted.
Mineral inclusions in sapphire from basalt - related deposit in Southern Vietnam
Authors:   , Anh Vu 
Published: April 2023

Sapphires in Southern Vietnam have been discovered in alluvial deposit derived from Cenozoic basalts. Sample collections for this study were taken from the most significant gem fields including Pleiku, Dak Nong, Di Linh, Binh Thuan, and Krong Nang. Several syngenetic mineral inclusions in these sapphires were classified as alkali feldspar, zircon, ferrocolumbite, pyrochlore, and iron oxides. Mineral chemical characteristics of these inclusions appearred to have evolved from alkaline felsic suite.

Oxide mineral inclusions occurred in sapphire included hercynite, wüstite, and ilmenite. Ilmenite ranged in composition between Il49-54He34-40Mt7-10 and Il24-30He36-38Mt35-40 falling in ilmenite-hematite series. Wüstite with nonstoichiometry, (Fe2+0.3-0.9)(Ti3+<0.179Al3+≤0.6Cr3+<0.1 Fe3+≤0.46)£≤0.23O, was usually associated with hercynite inclusion clearly indicating cogenetic sapphire formation. Wüstite and sapphire appeared to have formed from the breakdown reaction of hercynite (hercynite = sapphire+wüstite). Titanohematite series and titanomagnetite series might have crystallized during iron-titanium reequilibration via subsolidus exsolution.

U-Pb geochronology of zircon inclusion in these sapphires yielded between 35.5 ± 1.6 Ma (~35 Ma) and 14.73 ± 0.29 Ma (~15 Ma) for Krong Nang sapphire, 5.94 ± 0.13 Ma (~6 Ma) for Binh Thuan and Dak Nong sapphire, and 5.491 ± 0.077 Ma (~5.5 Ma) for Di Linh sapphire. These age constraints relate to the main Cenozoic basaltic eruptions in this region. Crystallization temperature of sapphire formation was estimated at about 561- 7810C using Ti-in-zircon thermometry.
Kahoot y Quizizz: cuando jugar en equipos marca la diferencia a la hora de motivar a leer noticias de ciencias
Authors: Fabre Mitjans Noëlle 
Published: April 2023

Education students tend to have low levels of scientific literacy, a worrying fact considering that this aptitude is necessary to foster professionals who are critical with information and capable of teaching quality science to their students. Game-based student response systems emerge as a good tool to motivate students. The present study focused on investigating whether the use of the Quizizz and Kahoot platforms could motivate students to read science news and improve their knowledge. It also assessed whether the fact of working individually or in teams had an impact on the results. We worked with a sample of 76 students from education degrees and they were subjected to two phases. In the first phase the students played individually and anonymously, in the second phase they played in teams. At the beginning and at the end of each phase, the results of the knowledge tests were analyzed and the participants were asked if they had read the news on the proposed websites. The results show that news reading improves and also the correspondence between news reading - test score only in the group phase.
Los estudiantes de educación suelen tener niveles bajos de alfabetización científica, hecho preocupante teniendo en cuenta que esta aptitud es necesaria para fomentar profesionales críticos con la información y capaces de enseñar ciencia de calidad a su alumnado. Los sistemas de respuesta de estudiantes basados en el juego surgen como una buena herramienta para motivar al alumnado. El presente estudio se centró en investigar si el uso de las plataformas Quizizz y Kahoot podía motivar al alumnado a leer noticias de ciencias y mejoraba sus conocimientos. También valoró si el hecho de trabajar individualmente o bien en equipos tenía repercusión en los resultados. Se trabajó con una muestra de 76 estudiantes de los grados de educación y se los sometió a dos fases. En la primera el alumnado jugó de forma individual y anónima, en la segunda fase jugó en equipos. Al principio y al final de cada fase se analizaron los resultados de los tests de conocimiento y se les preguntó a los participantes si habían leído las noticias de las webs propuestas. Los resultados muestran que mejora la lectura de noticias y también la correspondencia entre lectura de noticias - puntuación del test sólo en la fase grupal.
Combinación de tecnologías digitales y metodologías activas para el aprendizaje histórico
Authors: Graça Vânia , Solé Glória , Ramos Altina 
Published: April 2023

This study seeks to understand the potential of ICT, combined with active learning methodologies for the development of historical awareness and historical learning in 4th grade students of a public school in Portugal. This is a qualitative study, using a multiple case study, based on two realities: a 4th grade class (9-10 years old) and a 6th grade class (11-12 years old), as well as several techniques and instruments for data collection: questionnaire survey, focus group, participant observation, semi-structured interviews and works produced by the students. For the qualitative data analysis we used the analysis techniques of the Grounded Theory methodology, with the support of Nvivo software, and for the quantitative data we used descriptive statistics. Pedagogical interventions were designed to mobilize second order concepts, such as evidence, explanation, change/permanence in the elaboration of their historical ideas, through the use of some digital platforms. In this article we present the didactic intervention session related to the 1st activity of the project about the Black Death and Covid-19 in Portugal, implemented in the 1st cycle of basic education. Preliminary results allow us to conclude that the use of ICT by students in the proposed activitiesled to the development of their historical awareness, historical learning, as well as digital literacy.
Este estudio pretende comprender el potencial de las TIC, combinadas con metodologías de aprendizaje activo para el desarrollo de la conciencia histórica y el aprendizaje histórico en alumnos de 4º curso de una escuela pública de Portugal. Se trata de un estudio cualitativo, que utiliza un estudio de caso múltiple basado en dos realidades: una clase de 4º curso (9-10 años) y otra de 6º curso (11-12 años), así como diversas técnicas e instrumentos de recogida de datos: encuesta cuestionario, grupo focal, observación participante, entrevistas semiestructuradas y trabajos realizados por los alumnos. Los datos cualitativos se analizaron mediante la metodología de la teoría fundamentada, con el apoyo del programa informático Nvivo, y para el análisis de los datos cuantitativos se utilizaron estadísticas descriptivas. Se diseñaron intervenciones pedagógicas para movilizar conceptos de segundo orden, como evidencia, explicación, cambio/permanencia en la elaboración de sus ideas históricas, mediante el uso de algunas plataformas digitales. En este artículo presentamos la sesión de intervención didáctica relacionada con la 1ª actividad del proyecto sobre la Peste Negra y Covid-19 en Portugal, implementado en el 1º ciclo de la enseñanza básica. Los resultados preliminares nos permiten concluir que el uso de las TIC por parte de los alumnos en las actividades propuestas condujo al desarrollo de su conciencia histórica, aprendizaje histórico, así como a la alfabetización digital.
Relación familia-escuela: La comunicación en contextos rurales y urbanos
Authors: Hernández-Prados Mª Ángeles , Álvarez-Muñoz José Santiago 
Published: April 2023

The communicative dimension of the family-school relationship is a conditioning element in the academic, personal, social and family experiences of the students, which is sensitive to contextual variables, one of which is the area of residence. This descriptive-inferential, cross-sectional and quantitative study aims to identify the differences between rural and urban areas in the communicative relationship between family and school, as well as to verify which socio-demographic and academic variables are significant in each context in this respect. A sample of 3547 families from a municipality in Murcia participated by completing a questionnaire. The results show that families living in urban areas have better communication with schools than those living in rural areas and, in both contexts, the parents' level of studies, the nationality of the parents, the length of time spent in the municipality, the educational stage, the average grade and grade repetition are significant variables. Thus, the articulation of public policies and educational actions that eliminate the communicative bias based on area of residence or socio-educational vulnerability is called for.
La dimensión comunicativa de la relación familia y escuela supone un elemento de condicionamiento en las vivencias académicas, personales, sociales y familiares de los discentes, que se muestra sensible a las variables contextuales, siendo las áreas de residencia una de ellas. El presente estudio descriptivo-inferencial, transversal y cuantitativo tiene como finalidad identificar las diferencias entre rural y urbano en la relación comunicativa familia y escuela, además de verificar qué variable sociodemográficas y académicas son significativas en cada contexto al respecto. Una muestra de 3547 familias de un municipio murciano participó a través de la cumplimentación de un cuestionario. Los resultados ponen de manifiesto unas familias residentes en áreas urbanas que tiene una mejor comunicación con los centros educativos que aquellas que son del ámbito rural y, en ambos contextos, el nivel de estudios de los padres, la nacionalidad de los padres, tiempo de estancia en el municipio, la etapa educativa, la calificación media y la repetición de curso son variables significativas. Así, se reclama la articulación de políticas públicas y acciones educativas que eliminen el sesgo comunicativo por motivos de área de residencia o vulnerabilidad socioeducativa.
Social economy enterprises contributing to the circular economy and the green transition in Romania
Authors: Barna Cristina , Zbuchea Alexandra , Stănescu Simona Maria 
Published: April 2023

Recently, there is a new European Union commitment to the potential of the social economy which is a pioneer in job creation linked to the circular economy that will be further leveraged by the mutual benefits of supporting the green transition and strengthening social inclusion. Considering this general context, we propose in this paper an exploratory research aiming to investigate the potential of the Romanian social economy sector as part of a circular economy approach that could advance the green transition in the following years. Our paper is based on the findings of preliminary systematic content analysis for the identification of the social enterprises in Romania which include circular economy and/or green economy in their business model, and on qualitative research based on semi-structured in-depth interviews with the social economy organizations’ managers. We have highlighted five good practice examples (Recicleta, Atelierul de Pânz?, Educlick/Reconect, Remesh, and Bio&co Farm), which clearly show that combining the principles of social economy with the ones of circular/green economy is a strategy that might lead to overcoming the current challenges of the society. Our investigations represent the first approach to this topic, aiming to understand the specific challenges of the circular or green economy and social economy models when joining forces together for sustainable development in the context of an emerging social economy, as is the case of Romania.
Utility of fuzzy set Qualitative Comparative Analysis (fsQCA) methodology to identify causal relations conducting to cooperative failure
Authors: Pozuelo Campillo José , Romero Martínez Mariano , Carmona Ibáñez Pedro 
Published: April 2023

This study focuses on the search for the causes, or combination of circumstances, that lead to business failure processes. There is renewed interest in this subject due to the adverse consequences that the recent economic crisis has caused in the business world. A fuzzy set Qualitative Comparative Analysis (fsQCA) is thus carried out to identify the combination of financial ratios that points to situations of financial difficulty. The study centres on the cooperative sector, represented by a sample of 56 companies holding this legal status, belonging to various different productive sectors. The results obtained, and confirmed through a number of different robustness tests, reveal the presence of sufficient conditions comprising combinations of variables reflecting high indebtedness, low liquidity, low solvency and small firm size, representing a scenario that would be sufficient for an entity to face business continuity problems. Thanks to its ability to identify combinations of variables that warn of business failure, as well as its ease of interpretability, the fsQCA technique can be extremely useful for business management and the identification of business failure situations.
Labor Markets in Contexts of War: Recruitment and Trafficking of Child Soldiers in Colombia
Authors: Hurtado Mónica , Iranzo Dosdad Ángela , Rodríguez Wilson 
Published: April 2023

Objective/context: The article aims to analyze child recruitment as a form of human trafficking. Beyond the theoretical perspectives that focus on security or rights, it addresses the topic as a form of unfree labor. By means of a case study focused on child recruitment by right-wing paramilitary groups in Colombia, the paper analyzes how children entered and exited illegal armed groups, the functions they performed, and the exploitation they endured. The research argues that child recruitment operates as a large-scale labor-market uptake in the wartime social order, where the “employers” are paramilitary groups, and the labor force, in part, consists of children and adolescents. Methodology: This case study relies on different sources of information: a database on child recruitment provided by the special Justice and Peace Unit of the Colombian Attorney General’s Office (989 cases between 1981 and 2005), sentences of Peace and Justice, testimonials given by victims in judicial processes, and semi-structured interviews with different actors. Conclusions: The paper shows that child recruitment as a form of trafficking is functional to wartime social order in contexts of poverty and inequality. There is demand and supply; thus, both girls and boys, who worked as soldiers, are not only victims but also agents that make decisions in challenging conditions. Therefore, if the socioeconomic options for these children, even after their demobilization from the armed group, are still a choice between bad and worse, joining a violent (no longer “armed” but “criminal”) group will remain a feasible alternative. Originality: The article contributes to the academic literature on a recent topic, such as the overlapping between child recruitment and human trafficking in armed conflict and post-conflict situations. It also contributes to the literature on “unfree labor,” as the study focuses on an actor (illegal armed groups) that has not been analyzed until now. Finally, the research demonstrates the limits of understanding human trafficking (and child recruitment as a form of trafficking) as a problem of security or rights entitlement. It highlights the analytical and political advantages of categories such as “unfree labor” to provide effective solutions for the prevention and reintegration of child soldiers.
Major Cardiovascular Events After Spontaneous Intracerebral Hemorrhage by Hematoma Location
Authors: Boe Nils Jensen , Hald Stine Munk , Jensen Mie Micheelsen , Kristensen Line Marie Buch , Bojsen Jonas Asgaard , Elhakim Mohammad Talal , Clausen Anne , Möller Sören , Hallas Jesper , García Rodríguez Luis Alberto , Selim Magdy , Goldstein Larry B. , Al-Shahi Salman Rustam , Gaist David 
Published: April 2023

ImportanceSurvivors of spontaneous (ie, nontraumatic and with no known structural cause) intracerebral hemorrhage (ICH) have an increased risk of major cardiovascular events (MACEs), including recurrent ICH, ischemic stroke (IS), and myocardial infarction (MI). Only limited data are available from large, unselected population studies assessing the risk of MACEs according to index hematoma location.ObjectiveTo examine the risk of MACEs (ie, the composite of ICH, IS, spontaneous intracranial extra-axial hemorrhage, MI, systemic embolism, or vascular death) after ICH based on ICH location (lobar vs nonlobar).Design, Setting, and ParticipantsThis cohort study identified 2819 patients in southern Denmark (population of 1.2 million) 50 years or older hospitalized with first-ever spontaneous ICH from January 1, 2009, to December 31, 2018. Intracerebral hemorrhage was categorized as lobar or nonlobar, and the cohorts were linked to registry data until the end of 2018 to identify the occurrence of MACEs and separately recurrent ICH, IS, and MI. Outcome events were validated using medical records. Associations were adjusted for potential confounders using inverse probability weighting.ExposureLocation of ICH (lobar vs nonlobar).Main Outcomes and MeasuresThe main outcomes were MACEs and separately recurrent ICH, IS, and MI. Crude absolute event rates per 100 person-years and adjusted hazard ratios (aHRs) with 95% CIs were calculated. Data were analyzed from February to September 2022.ResultsCompared with patients with nonlobar ICH (n = 1255; 680 [54.2%] men and 575 [45.8%] women; mean [SD] age, 73.5 [11.4] years), those with lobar ICH (n = 1034; 495 [47.9%] men and 539 [52.1%] women, mean [SD] age, 75.2 [10.7] years) had higher rates of MACEs per 100 person-years (10.84 [95% CI, 9.51-12.37] vs 7.91 [95% CI, 6.93-9.03]; aHR, 1.26; 95% CI, 1.10-1.44) and recurrent ICH (3.74 [95% CI, 3.01-4.66] vs 1.24 [95% CI, 0.89-1.73]; aHR, 2.63; 95% CI, 1.97-3.49) but not IS (1.45 [95% CI, 1.02-2.06] vs 1.77 [95% CI, 1.34-2.34]; aHR, 0.81; 95% CI, 0.60-1.10) or MI (0.42 [95% CI, 0.22-0.81] vs 0.64 [95% CI, 0.40-1.01]; aHR, 0.64; 95% CI, 0.38-1.09).Conclusions and RelevanceIn this cohort study, spontaneous lobar ICH was associated with a higher rate of subsequent MACEs than nonlobar ICH, primarily due to a higher rate of recurrent ICH. This study highlights the importance of secondary ICH prevention strategies in patients with lobar ICH.
Noninvasive Photodelamination of van der Waals Semiconductors for High‐Performance Electronics
Authors: Xu Ning , Pei Xudong , Qiu Lipeng , Zhan Li , Wang Peng , Shi Yi , Li Songlin 
Published: April 2023

AbstractAtomically thin 2D van der Waals semiconductors are promising candidate materials for post‐silicon electronics. However, it remains challenging to attain completely uniform monolayer semiconductor wafers free of over‐grown islands. Here, the observation of the energy‐funneling effect and ambient photodelamination phenomenon in inhomogeneous few‐layer WS2 flakes under low‐illumination fluencies down to several nW µm−2 and its potential as a noninvasive atomic‐layer etching strategy for selectively stripping the local excessive overlying islands are reported. Photoluminescent tracking on the photoetching traces reveals relatively fast etching rates of around 0.3–0.8 µm min−1 at varied temperatures and an activation energy of 1.7 eV. By using crystallographic and electronic characterization, the noninvasive nature of the low‐power photodelamination and the highly preserved lattice quality are also confirmed in the as‐etched monolayer products, featuring a comparable density of atomic defects (≈4.2 × 1013 cm−2) to pristine flakes and a high electron mobility of up to 80 cm2 V−1 s−1 at room temperature. This approach opens a noninvasive postetching route for thickness uniformity management in 2D van der Waals semiconductor wafers for electronic applications.
Biomimetic Janus Collagen Patch with Antideformation, Antiadhesion, and Prohealing Properties for Rehabilitation of Full‐Layer Uterine Injuries, Toward Efficient Live Births
Authors: Kang Xinyi , Yang Wen , Gao Xu , Zhou Ling , Yu Ziyang , Dong Qun , Chen Yanyan , Dai Jianwu , Zhang Hong 
Published: April 2023

AbstractUterine abnormalities infertility can be treated with implantable patches for tension‐free healing. However, the existing clinical patches are still limited in effective uterus recovery, resulting in low pregnancy and live birth rates. Herein, a novel engineered, and biocompatible Janus collagen patch (JCOP) is developed to achieve excellent uterine defect recovery and increase effective live births. The JCOP can highly match the structure, micromorphology, and mechanical properties of a natural uterus due to homologous‐like tissue homogeneity. JCOP's rough surface and loose‐extracellular‐matrix‐like porosity promote fibroblast adhesion and tissue regeneration, whereas its smooth surface reduces fibroblast adhesion and prevents visceral adhesions. Additionally, it exhibits exceptional resistance to swelling and deformation along with stable mechanical strength for long‐term preservation in the body and can withstand the highest uterine pressure in a humid interior environment attributed to its superior structural layout. Moreover, JCOP@bF, a functional JCOP linked to basic fibroblast growth factor (bFGF) via a specific collagen‐binding domain, significantly promotes repair of the injured uterus, restores the ability of the endometrium to accept embryos, and supports their development to a viable stage in a rat model of uterine damage. This study shows great promise for treating infertility caused by uterine damage.