940 resultados para Pereira, Nuno Alvares, 1360-1431
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Objective. The objective of this study was to investigate the prevalence of dental anomalies in individuals with Richieri-Costa-Pereira syndrome. Study Design. A total of 13 individuals with Richieri-Costa-Pereira syndrome who were older than 8 years with at least 1 available panoramic radiograph were assessed. Dental anomalies were evaluated clinically and radiographically and classified as hyperplastic, hypoplastic, or heterotopic and as alterations of shape, number, position, and structure. Enamel alterations were classified by the DDE index. Results. All individuals exhibited anomalies, with predominance of hypoplastic disorders, mainly agenesis of mandibular incisors and second premolars and demarcated creamy-white enamel opacities primarily affecting the maxillary premolars. Conclusions. Individuals with Richieri-Costa Pereira syndrome exhibit high prevalence of tooth agenesis, especially mandibular incisors and premolars, as well as high frequency of enamel opacities. These findings are compatible with the mandibular cleft observed in all individuals and also reflect the hypoplastic characteristic of the syndrome. (Oral Surg Oral Med Oral Pathol Oral Radiol 2012;114:99-106)
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Laryngeal structural anomalies were described in 13 cases of Richieri-Costa Pereira syndrome, and four previously reported cases were reviewed. The 17 individuals examined had the typical laryngeal anomalies and vocal disorders previously described. The new findings are the laryngeal microweb observed in three cases and arytenoid anteriorization movement observed in 14 cases. (C) 2012 Wiley Periodicals, Inc.
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Forensic age estimation is an important element of anthropological research, as it produces one of the primary sources of data that researchers use to establish the identity of a person living or the identity of unknown bodily remains. The aim of this study was to determine if the chronology of third molar mineralization could be an accurate indicator of estimated age in a sample Brazilian population. If so, mineralization could determine the probability of an individual being 18 years or older. The study evaluated 407 panoramic radiographs of males and females from the past 5 years in order to assess the mineralization status of the mandibular third molars. The evaluation was carried out using an adaptation of Demirjian's system. The results indicated a strong correlation between chronological age and the mineralization of the mandibular third molars. The results indicated that modern Brazilian generation tends to demonstrate an earlier mandibular third molar mineralization than older Brazilian generation and people of other nationalities. Males reached developmental stages slightly earlier than females, but statistically significant differences between the sex were not found. The probability that an individual with third molar mineralization stage H had reached an age of 18 years or older was 96.8-98.6% for males and females, respectively. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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Grabación de La Casa Canaria de La Habana
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Grabación de La Casa Canaria de La Habana
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Mosés Bensabat Amzalak
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Joseph Goldschmidt
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Scan von Monochrom-Mikroform
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235 Blatt
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Aus der Sammlung des Leo Baeck Institute, digitalisiert in Kooperation mit dem Center for Jewish History, NY
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Fil: Toriano, Elena del Carmen. Universidad Nacional de Cuyo
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Póster presentado en la Primera Conferencia Latinoamericana Prevención y Atención del Aborto Inseguro. Lima, Perú, 29 y 30 de junio de 2009.
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An integrated instrument package for measuring and understanding the surface radiation budget of sea ice is presented, along with results from its first deployment. The setup simultaneously measures broadband fluxes of upwelling and downwelling terrestrial and solar radiation (four components separately), spectral fluxes of incident and reflected solar radiation, and supporting data such as air temperature and humidity, surface temperature, and location (GPS), in addition to photographing the sky and observed surface during each measurement. The instruments are mounted on a small sled, allowing measurements of the radiation budget to be made at many locations in the study area to see the effect of small-scale surface processes on the large-scale radiation budget. Such observations have many applications, from calibration and validation of remote sensing products to improving our understanding of surface processes that affect atmosphere-snow-ice interactions and drive feedbacks, ultimately leading to the potential to improve climate modelling of ice-covered regions of the ocean. The photographs, spectral data, and other observations allow for improved analysis of the broadband data. An example of this is shown by using the observations made during a partly cloudy day, which show erratic variations due to passing clouds, and creating a careful estimate of what the radiation budget along the observed line would have been under uniform sky conditions, clear or overcast. Other data from the setup's first deployment, in June 2011 on fast ice near Point Barrow, Alaska, are also shown; these illustrate the rapid changes of the radiation budget during a cold period that led to refreezing and new snow well into the melt season.