197,135 research outputs found

    Oral Lichen planus

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    Oral Lichen planus (OLP) is the most frequent mucosal localization of Lichen planus, affecting about 1-2% of the population. It is associated with skin lesions in 60-70% of cases, while occurring as the only manifestations in 15-25% of patients. Six clinical forms of OLP are identified: reticular (the most common), plaque, papular, atrophic, vesicles/bullous and erosive. The evolution is chronic, especially in the erosive form. A 1% incidence of squamous-cell carcinoma has been reported, thus considering OLP as a potential premalignant condition. The etiopathogenesis is still not completely understood: genetic (HLA-DR2), immunologic (T cell-mediated) and infectious (association with viral hepatitis C, differences in oral microbiota in OLP, and bacteria internalization into infiltrating T cells and oral epithelial cells) are considered the main predisposing or provoking factors. Management is based on the severity of the lesions; topical steroids are the first-line therapy and oral glucocorticoids are used for severe erosive lesions

    Judíos y judeoconversos en el negocio de la lana y los paños en Soria: siglos XIV-XVII

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    Research about the role that Jews and Converted Jews played in the local economy of the Castilian town of Soria during a long period of time, from the fourteenth century to the end of the seventeenth century. It is based on the comparative analysis of the results of previous monographic works, and in the study of many unpublished archival documents from the sixteenth and the seventeenth centuries. The author highlights the connections between the establishment of Portuguese families of Jewish origin in the city of Soria in the last decades of the sixteenth century, that has so far remained unnoticed by the historiography, and the social and economic realities of the previous centuries in this Castilian town, characterized by the economic dynamism of the Jews, and of the Converted Jews. He highlights the fact that the Portuguese families established in Soria at the end of the sixteenth century were devoted to the same economic activities practiced by Jews and Converted Jews in this same town in the previous centuries. These activities were the usual ones for the members of the social group that we identify as “middle class.”Estudio sobre el papel que judíos y judeoconversos desempeñaron en la economía de la ciudad de Soria en un período de larga duración, desde el siglo xiv hasta fines del siglo XVII. Se basa en la valoración comparativa de los resultados de estudios monográficos previos, y en el análisis de una abundante documentación de archivo inédita de los siglos XVI y XVII. Se pone en conexión el arraigo de familias portuguesas de origen judeoconverso en Soria en las décadas finales del siglo XVI, fenómeno que hasta ahora no había sido objeto de valoración por parte de la historiografía, con las realidades previas de fuerte presencia judía y judeoconversa en esta ciudad. Se resalta que las actividades económicas en que despuntaron estos portugueses coinciden con las practicadas por judíos y judeoconversos en las centurias previas, todas ellas propias del grupo social convencionalmente identificado como «clase media»

    La irrupción de los conversos portugueses en el comercio de exportación de lanas de la Corona de Castilla en el tránsito del siglo XVI al XVII

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    Portuguese Conversos, many of them descendants of the Castilian Jews that were expelled in 1492, played a very important role in the export trade of the Crown of Castile during the 17th century. Among their multiple activities, the export of Castilian wool to France, the Low Countries and other European regions, was a prominent one. In this article the author contributes to the reconstruction of the first phase of the process of involvement of these merchants in this business, from the last decades of the 16th century onwards, after the merchants of Burgos abandoned it. He adopts a limited geographical perspective, because he circumscribes his analysis to a single region, that of Soria and its surroundings.Los judeoconversos portugueses, muchos de ellos descendientes de judíos castellanos expulsados en 1492, desempeñaron un destacado papel en el comercio exterior de la Corona de Castilla durante el siglo xvii. Entre sus múltiples actividades estuvo la de exportación de lana fina castellana a Francia, los Países Bajos y otros territorios europeos. En el presente trabajo el autor contribuye a la reconstrucción de la primera fase de participación de estos mercaderes en dicho negocio, a partir de las últimas décadas del siglo xvi, tras el abandono de la actividad por los mercaderes burgaleses. Y lo hace desde una perspectiva geográfica limitada, centrando el análisis en una región en concreto, la de la Tierra de Soria y su entorno

    El monasterio de Santa María de Huerta entre los siglos XII y XVI: relaciones con Aragón y con los poderes nobiliarios regionales

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    The author traces the history of the Cistercian monastery of Santa María de Huerta, since its foundation at the beginning of the twelfth century until its admission into the Castilian Cistercian Observant Congregation at the beginning of the sixteenth century. He exposes the main effects that its location in a border region, between the kingdoms of Castile and Aragon, exercised upon its evolution during the first centuries of its history. He also pays attention to another important aspect of its medieval trajectory, the relationships that the monastic community established with the local nobility, in particular with the members of the Hinojosa lineage, until the beginning of the fourteenth century, and with the dukes of Medinaceli, since the Trastamara period. Ultimately the author tries, with the annalysis of a single case, to offer an illustration of the proccess that brought the Cistercian monasteries to lose their pan-European vocation ending up reduced to a position of second-rank actors in the social and political regional stage.El autor reconstruye la trayectoria de un monasterio cisterciense, el de Santa María de Huerta, desde su fundación a comienzos del siglo XII hasta su incorporación a la Congregación observante del Císter a principios del siglo XVI. Pone de manifiesto los efectos que tuvo para su evolución en sus primeros siglos su ubicación en una comarca fronteriza, entre los reinos de Castilla y de Aragón. Y presta también atención a otro aspecto fundamental de su trayectoria medieval, el de las relaciones establecidas por la comunidad monástica con los poderes nobiliarios, y en concreto con el linaje de los Finojosa, hasta comienzos del siglo XIV, y a partir de la época Trastámara con el de los señores de Medinaceli. En última instancia, trata de ilustrar con un ejemplo concreto, el proceso en virtud del cual los monasterios cistercienses fueron perdiendo su vocación «paneuropea» para terminar quedando reducidos a actores de segunda fila de los escenarios sociopolíticos regionales en sus respectivos reinos

    El reforzamiento de los vínculos comunitarios a través de la fiesta en las ciudades castellanas en el marco de cuadrillas y cofradías. Siglos XV-XVII

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    During the pre-industrial period, festivals of very different kinds took place in the European towns. Very often these festivals were organized by the urban authorities, which used them as a means of legitimization of the established social order. However, festivals with a much more popular base were also organized, whose main aim was to reinforce the solidarity links between the participants. That was the case in many festivals organized by the confraternities, but also in some festivals organized by the quarter communities (cuadrillas) in certain towns. In this article the author analyses a very original festival celebrated since the Middle Ages to the present day in the Castilian town of Soria on the first Sunday after the Feast of St. John the Baptist, that was organized by the quarter communities (cuadrillas) of the town.En el período preindustrial en las ciudades europeas se celebraron fiestas de muy variadas características. Con frecuencia éstas fueron organizadas por la autoridad urbana como instrumento de legitimación del orden vigente. Pero también se organizaron celebraciones con una más marcada base popular, que tenían por objetivo reforzar los lazos de solidaridad entre el conjunto de los participantes. Fue el caso de muchas de las fiestas celebradas por las cofradías, pero también de algunas que organizó el conjunto de la población pechera distribuida en cuadrillas. En este trabajo se analiza en profundidad un caso muy original de este último tipo de fiestas, la celebrada por las cuadrillas del Común de pecheros en Soria el primer domingo después de San Juan, que pervive en la actualidad

    Estudio sobre complejidad-dificultad en tareas con patrones de repetición con niños con TEA-1

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    En este trabajo hemos estudiado la problemática presentada por los estudiantes con TEA-1 a la hora de resolver tareas de continuación e identificación de patrones. Hemos establecido una comparativa con el estudio presentado por Yáñez, Diago y Arnau (2018) y hemos diseñado una secuencia graduada de patrones dependiendo de las características del alumno

    SDR versus traditional composite. A RCT onpaediatric patients

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    Background: There is insufficient evidence from the dental literatureto make any recommendations about which filling material touse in paediatric dentistry. Choices in these areas are made onclinical preference.Aim: The aim of this study is to evaluate the clinical behaviour ofaesthetic restorations in Class II preparations in primary molars byusing two different materials.Design: The authors conducted a randomized clinical trial. Twentyeightpatients received 56 restorations in primary molars randomlyassigned by lottery method in a split mouth technique: 28restorations with traditional universal microfilled composite and28 restorations with SDRTM (Dentsply). Two examiners, whosetechnique has been calibrated, evaluated the restorations usingmodified U.S. Public Health Service criteria at baseline and at 3,6, 9 and 12 months.Results: After 1 year, there were no statistical differences betweenSDR and traditional composite about Marginal Adaptation,Anatomical Form, Cavosurface Margin, Discoloration, AxialContour, Secondary Caries and Visible Plaque Index. However,there was a decreasing odd radio and a P < 0.05 between the twomaterials regarding the Proximal Contact.Conclusions: At the 12-month clinical recall, the authors found nodifferences among SDR and traditional composite in Class IIrestorations in primary molars. SDR showed a good behaviour andit was very appreciated by the patients and by the authors for itsfast and easy manipulation
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