978 resultados para Imãs permanentes


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A Semântica e a Lexicografia se interpenetram mutuamente porque a Lexicografia não se limita a recolher as palavras do léxico, mas procura descrever a significação dos vocábulos e seus usos. O lexicógrafo também se ocupa de evolução dos sentidos das palavras para estabelecer a escala das acepções de um signo lexical. Casares conceitua acepção e discute o problema da discriminação das acepções e da sua ordenação no caso de palavras polissêmicas. Outra Questão delicada para o lexicógrafo é o reconhecimento e a identificação correta dos valores metafóricos. O autor usa como exemplo ilustrativo o verbete lat. ordo > esp. orden (port. ordem), signo polissêmico. Traça gráficos da ma-, lha de significações na semântica evolutiva dessa palavra, do étimo original latino ao espanhol moderno. Casares também trata do problema da lematização, ou seja, a decisão técnica de escolher como entrada de um dicionário, uma ou outra forma vocabular, o que envolve controvérsias permanentes em meio aos lexicólogos sobre as lexias (palavras) complexas e como e quando se dá a categorização lexical de um polinómio vocabular. Esse problema é ampliado por causa da tradição caótica de muitas grafias, particularmente no caso de locuções vocabulares. Advoga as vantagens e as virtudes de um dicionário que tivesse um índice de freqüência do uso de cada palavra, ou de cada acepção de um vocábulo.

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Pós-graduação em Geografia - FCT

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This study presents the results of a cost-effectiveness analysis in a controlled clinical trial on the effectiveness of a modified glass ionomer resin sealant ( Vitremer, 3M ESPE) and the application of fluoride varnish (Duraphat, Colgate) on occlusal surfaces of first permanent molars in children 6-8 years of age (N = 268), according to caries risk (high versus low). Children were examined semiannually by the same calibrated dentist for 24 months after allocation in six groups: high and low risk controls (oral health education every three months); high and low risk with varnish (oral health education every three months + varnish biannually); and high and low risk with sealant (oral health education every three months + a single application of sealant). Economic analysis showed that sealing permanent first molars of high-risk schoolchildren showed a C/E ratio of US$ 119.80 per saved occlusal surface and an incremental C/E ratio of US$ 108.36 per additional saved occlusal surface. The study concluded that sealing permanent first molars of high-risk schoolchildren was the most cost-effective intervention.

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OBJECTIVE: To determine the prevalence of mesiodens in deciduous and mixed dentitions and its association with other dental anomalies. MATERIAL AND METHODS: Panoramic radiographs of 1,995 orthodontic patients were analyzed retrospectively, obtaining a final sample of 30 patients with mesiodens. The following aspects were analyzed: gender ; number of mesiodens; proportion between erupted and non-erupted mesiodens; initial position of the supernumerary tooth; related complications; treatment plan accomplished; and associated dental anomalies. The frequency of dental anomalies in the sample was compared to reference values for the general population using the chi-square test (c²), with a significance level set at 5%. RESULTS: The prevalence of mesiodens was 1.5% more common among males (1.5:1). Most of the mesiodens were non-erupted (75%) and in a vertical position, facing the oral cavity. Extraction of the mesiodens was the most common treatment. The main complications associated with mesiodens were: delayed eruption of permanent incisors (34.28%) and midline diastema (28.57%). From all the dental anomalies analyzed, only the prevalence of maxillary lateral incisor agenesis was higher in comparison to the general population. CONCLUSION: There was a low prevalence of mesiodens (1.5%) in deciduous and mixed dentition and the condition was not associated with other dental anomalies, except for the maxillary lateral incisor agenesis.

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There can be several indicators of violence in society. However, in no other health unit such violence acquires visibility as in emergency. This study aimed to examine whether there is divergence between the history of medical consultation and diagnosis of physical aggressions in the emergency unit. A cross-sectional study was conducted in an emergency unit in the city of Araçatuba, state of São Paulo, Brazil, based on medical records, considering data on patients, lesions, history, diagnosis and treatment. Out of 133,537 visits, only 153 were recorded as physical aggressions, and 161 informed violence in the history of the consultation; 59.6% were male, 60.6% were between 20 and 44 years old. Excoriations, pain and injury predominated. There were no associations between state violence in the diagnosis and the characteristics of patients and visits (schedule, routing, gender, age). The conclusion is that in most cases violence reported in the history of the consultation was not mentioned in the diagnosis of injuries. The characteristics of care and patients were not related to the fact that professionals diagnosed the case as violence.

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OBJECTIVE: The purpose of the study was to evaluate the influence of the skeletal maturation in the mandibular and dentoalveolar growth and development during the Class II, division 1, malocclusion correction with Balters bionator. METHODS: Three groups of children with Class II, division 1, malocclusion were evaluated. Two of them were treated for one year with the bionator of Balters appliance in different skeletal ages (Group 1: 6 children, 7 to 8 years old and Group 2: 10 children, 9 to 10 years old) and the other one was followed without treatment (Control Group: 7 children, 8 to 9 years old). Lateral 45 degree cephalometric radiographs were used for the evaluation of the mandibular growth and dentoalveolar development. Tantalum metallic implants were used as fixed and stable references for radiograph superimposition and data acquisition. Student's t test was used in the statistical analysis of the displacement of the points in the condyle, ramus, mandibular base and dental points. Analysis of variance one-fixed criteria was used to evaluate group differences (95% of level of significance). RESULTS: The intragroup evaluation showed that all groups present significant skeletal growth for all points analyzed (1.2 to 3.7 mm), but in an intergroup comparison, the increment of the mandibular growth in the condyle, ramus and mandibular base were not statically different. For the dentoalveolar modifications, the less mature children showed greater labial inclination of the lower incisors (1.86 mm) and the most mature children showed greater first permanent molar extrusion (4.8 mm).

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Pós-graduação em Ciências Odontológicas - FOAR

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Pós-graduação em Zootecnia - FCAV

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The German philosopher G.W.F. Hegel (1770-1831) had as one of his thesis in the doctorate the affirmation that philosophy can only be properly taken as a system. He intends with that to point out the identity between thinking and being. This is, for Hegel, the task of philosophy, i. e., to bring together all that was set apart. This position can be recognized in all his works and it is tried here to exemplify it in The Philosophy of Right and in special in the section dedicated to the abstract right. This one is the first moment of the text in question that begins with the statement of the dignity of the person confirmed in the property. The following moments make evident that the formal ones are also results. It becomes clear in this way that the all the moments create together an ongoing organization, disorganization and reorganization. This process reveals the relation as a constitutive element of thinking and being exemplified in the abstract right. Each moment overcomes the preceding one and comes out as a much more complex one. In the case of the abstract right what appears is the realization of a free subject in all that he does as the making of himself.

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Pós-graduação em Zootecnia - FCAV