Various digital systems are now available for teaching histology. Interactive CD-ROMs and the Internet with multimedia have made it possible for personal computers to provide a learning environment similar to that of conventional time-consuming one-on-one tutorial methods ( Trelease et al., 2000 Harris et al., 2001 Farah & Maybury, 2009). Today, new technologies are expanding opportunities by casting a wider net in health science learning. But there are a few problems with it, such as: procurement and costly maintenance of microscopes and stained tissues mounted on glass slides, not all sectioned tissues demonstrate all of the structures that should be identified during laboratory study, and finally the pressure to reduce curriculum density and time spent in laboratories ( Weaker & Herbert, 2009). Traditionally, the light microscope has played a major role in student education, and since the 19th century it has been the best tool for teaching and learning histology ( Cotter, 2001). Histology has been a longstanding basic science course in medical school curricula worldwide. PALABRAS CLAVE: Histología Educación en Morfología Microscopía Virtual Nuevas investigaciones serán necesarias para evaluar esta herramienta de enseñanza. La microscopía vitual tiene una mejor percepción por parte de los alumnos y tiende a mejorar el rendimiento académico. Respecto a la percepción, un 73,24 % consideró que la evaluación con microscopia virtual es más justa. En la evaluación cognitiva se obtuvo un promedio de 5,4 en el grupo 1 y 5,7 el grupo 2. Para el análisis de datos se utilizó el Test-t de student, medidas de tendencia central y desviación estandar. Una vez que todos aprendieron con ambos sistemas se aplicó un test de percepción. Al finalizar, rindieron una evaluación formativa para medir conocimientos y luego se invertieron los grupos. Todos observaron los mismos preparados de músculo estriado esquelético, estriado cardíaco y liso. Se dividieron 92 alumnos de primer año de Odontología en 2 grupos: 1: microscopía óptica, 2: microscopía digital. El objetivo de este estudio fue comparar el rendimiento académico y la percepción de los alumnos utilizando microscopía óptica y microscopía virtual en base a una aplicación web, utilizada por primera vez. Los sistemas digitales han puesto en tela de juicio el rol del microscopio óptico como instrumento insustituible para la enseñanza práctica de la histología. KEY WORDS: Medical education Histology Visual learning Virtual Microscopy Microscopy Further investigation is needed to evaluate this new teaching instrument. It was concluded that the use of virtual microscope tends to have better results than light microscopy. In the perception survey, 73.24 % considered the virtual microscope evaluation more fair.
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In the cognitive evaluation, the median grades were 5.4 for group 1 and 5.7 for group 2.
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For data analysis the T student test and central tendency with their standard deviation was used. A perception test was conducted after everyone had learned with both systems. An academic performance test was applied (diagnostic and individual structures identify ability).
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All participants observed the same striate muscle, cardiac striated muscle, and smooth muscle samples.
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92 students were divided into 2 groups: Group 1: light microscopy and Group 2: digital microscope in a web application. In this study academic performance and student perception for two learning methods were compared: digital and light microscopy, in the muscle tissue unit of the morphology course for first-year undergraduate dentistry at Universidad de los Andes, Santiago, Chile. The AX R MP maximizes image size, as well as spatial and temporal resolution, providing a uniquely powerful solution for any multiphoton experiment.With new digital systems, the role of the microscope as an irreplaceable instrument in the teaching of histology has been called into question. In addition, a greatly expanded sample area provides the flexibility needed to observe biological samples in their natural positions and accommodates additional equipment often required for in vivo imaging. The AX R MP, equipped with a high speed high resolution resonant scanner, can capture dynamics that span a wide area with superior spatial and temporal resolution. Nikon’s multiphoton confocal microscopes, which clearly visualize fine structures deep within living organisms, have evolved even further.