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4.
Acta odontol. venez ; 52(3)2014. ilus, tab
Article in Spanish | LILACS | ID: lil-778011

ABSTRACT

La estética dental es considerara como la búsqueda de la perfección en el ámbito bucal. El objetivo del estudio fue analizar la prevalencia por sexo de las proporciones divinas, en la sonrisa de los estudiantes de quinto año de la Facultad de Odontología de la Universidad de Carabobo. Se realizó para ello, un estudio descriptivo, con diseño no experimental y transversal. La muestra fue no probabilística e intencional, quedando conformada por 34 estudiantes de quinto año. Se aplicó la observación directa y un compás dental para recoger los datos y se recopilaron en una hoja de registro. Los valores promedio del ancho mesiodistal de las unidades del cuadrante superior izquierdo fueron ligeramente superiores a los del superior derecho. El cuadrante superior derecho mostró un mayor porcentaje de proporciones divinas a razón que el izquierdo, correspondiendo el mayor valor el par 11 y 12 (58,8%). El 76,5% de los estudiantes presentaron proporción divina en al menos un par de unidades, resaltando que el 20,6% la presentó en los 4 pares valorados. En conclusión, se reportó un bajo porcentaje de proporciones divinas en la muestra analizada, siendo los incisivos central y superior, los que mostraron la mayor proporción...


Dental aesthetics is considered as the pursuit of perfection in the mouth area. The aim of the study was to analyze the prevalence by gender of divine proportions, smiling fifth year students of the Faculty of Dentistry at the University of Carabobo. A descriptive study was made for it, with no experimental and cross-sectional design. The sample was not random and intentional, being made up of 34 fifth graders. Direct observation and dental compass was used to collect data 2013, were collected on a record sheet. The average values of the mesiodistal width of the left upper quadrant units were slightly higher than in the top right. The upper right quadrant showed a higher percentage of divine proportions right than the left , with the highest value pair 11 and 12 ( 58.8 %). 76.5% of students had divine proportion in at least a couple of units , noting that 20.6% introduced in the 4 rated peers. In conclusion, we reported a low percentage of divine proportions in the sample, with the central and upper incisors, which showed the highest proportion...


Subject(s)
Humans , Male , Adult , Female , Esthetics, Dental , Schools, Dental , Students, Dental , Dental Restoration Repair , Dentistry, Operative , Oral Health
5.
Radiat Prot Dosimetry ; 151(4): 652-5, 2012 Oct.
Article in English | MEDLINE | ID: mdl-22914334

ABSTRACT

Overexposure to radioactive sources used in radiotherapy or industrial radiography may result in severe health consequences. This report assesses the initial clinical status and the medical and psychological long-term follow-up of two radiation accident patients from Peru during the mid-to-late 1990s: one patient exposed to a radiotherapy (60)Co source in Arequipa, the other patient to a (192)Ir source in Yanango. Commonalities and differences are described. The main causes in both accidents were human error and the failure to apply appropriate safety guidelines and standard operating procedures. Education and training of the personnel working with radiation sources are essential to prevent accidents. The experience gained from the medical management of the two patients is valuable for future treatment of such patients.


Subject(s)
Radiation Injuries , Radioactive Hazard Release , Follow-Up Studies , Humans , Peru , Radioactive Hazard Release/prevention & control
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