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Dive into the research topics where Sergio Padilla Olvera is active.

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Featured researches published by Sergio Padilla Olvera.


Revista Mexicana de Ortodoncia | 2014

Tolerance in a 0.022” x 0.025” bracket slot from three commercial brands used in the Department of Orthodontics of the National Autonomous University of Mexico

Rocío del Carmen Kancab Díaz; Roberto Ruiz Díaz; Gerardo Ruiz Botello; Sergio Padilla Olvera

The aim of this study was to determine the quality in the size of .022” x .025” slots in brackets of three commercial brands (3M Unitek, GAC, ORMCO) used in the Orthodontics Clinic at the Department of Postgraduate Studies and Research at the National University of Mexico. Methods: The sample was divided into three groups of 40 stainless steel upper right premolar brackets from three different commercial brands which were measured in three dimensions: depth, internal height and external height under a Profi le Projector Microscope. Data was statistically analyzed using Student’s t-test and ANOVA in which statistically signifi cant differences (p < 0.05) were obtained between the three commercial brands in all three dimensions. The t-test showed that ORMCO was the closest to standards, GAC and 3M Unitek obtained statistically significant differences, thus separating from standards. All brackets were found to be larger than established. Key words: Slot, tolerance.


Revista Mexicana de Ortodoncia | 2014

Tolerancia en la ranura de brackets 0.018” x 0.025” de tres casas comerciales

Laura Elizabeth Martínez Pérez; Roberto Ruiz Díaz; Gerardo Ruiz Botello; Sergio Padilla Olvera

Objetivo: El proposito de este estudio fue determinar la calidad del tamano de ranuras 0.018” x 0.025” en los brackets de tres casas comerciales (3M, GAC y ORMCO). Metodo: Se analizaron 120 brackets de acero inoxidable de los primeros premolares superiores de tres casas comerciales, conformando tres grupos de 40 brackets. Cada bracket se observo en un microscopio proyector de perfiles. Se obtuvieron tres medidas por cada ranura: profundidad, altura interna y externa. Los datos fueron tabulados y analizados estadisticamente por medio de la prueba de ANOVA y t de Student. Resultados: Los resultados demostraron que existen diferencias estadisticamente significativas en profundidad, altura interna y externa de la ranura de brackets de las tres marcas comerciales (p < 0.05). La 3M y la GAC en profundidad cumplieron con lo especificado por el fabricante (p<0.05). En terminos de altura interna la GAC cumplio con lo especificado por el fabricante (p<0.05). En cuanto a la altura externa, la ORMCO cumplio con lo indicado por el fabricante (p < 0.05). Palabras clave: Tolerancia en la ranura, profundidad de la ranura, altura interna de la ranura, altura externa de la ranura.


Revista Mexicana de Ortodoncia | 2014

Slot tolerance from three different commercial brands of brackets

Laura Elizabeth Martínez Pérez; Roberto Ruiz Díaz; Gerardo Ruiz Botello; Sergio Padilla Olvera

Objective: The purpose of this study was to determine the quality of the size of 0.018” x 0.025” slots in brackets of three trading companies (3M, GAC and ORMCO). Methods: 120 first premolar stainless steel brackets of three trading houses were analyzed forming three groups of 40 brackets. Each bracket was observed under a Profile Projector Microscope. Three measurements were obtained for each slot: depth, internal and external height. The data were tabulated and statistically analyzed by the ANOVA test and the Student’s t test. Results: The results showed that there were statistically significant differences in depth and internal and external height between the bracket’s slot of 3 different companies (p < 0.05). The companies 3M and GAC fulfilled the manufacturer’s specifications (p < 0.05). In terms of internal height, GAC complied with the manufacturer’s specifications (p < 0.05). In relation to external height, ORMCO complied with what is specified by the manufacturer (p < 0.05). Key words: Slot tolerance, slot depth, internal height of the slot, external height of the slot


Revista Mexicana de Ortodoncia | 2014

Tolerancia en la ranura de brackets .022” x .025” de tres casas comerciales usados en el Postgrado de Ortodoncia de la UNAM

Rocío del Carmen Kancab Díaz; Roberto Ruiz Díaz; Gerardo Ruiz Botello; Sergio Padilla Olvera

El objetivo del estudio fue determinar la calidad en el tamano de las ranuras .022” x .025” en brackets de tres casas comerciales utilizados en la Clinica de Ortodoncia de la DEPeI de la UNAM (3M Unitek, GAC, ORMCO). Metodos: Se conformaron tres muestras de 40 brackets de acero inoxidable de tres casas comerciales diferentes para premolares superiores derechos que fueron medidos en tres dimensiones: profundidad, altura interna y altura externa en un Microscopio Proyector de Perfi les. Los datos fueron analizados estadisticamente con la prueba t de Student y ANOVA en las cuales se obtuvieron diferencias estadisticamente signifi cativas (p < 0.05) entre las tres marcas en las tres dimensiones. La prueba t demostro que la casa ORMCO fue la que mas se acerco a los estandares, GAC y 3M Unitek obtuvieron diferencias estadisticamente signifi - cativas, alejandose por lo tanto de la norma. Todos los brackets resultaron ser mas grandes que lo establecido. Palabras clave: Ranura, tolerancia.


[2017] Congreso Internacional de Educación y Aprendizaje | 2017

Narrativa digital transmedia: una estrategia didáctica para el aprendizaje experimental

Josefina Bárcenas López; Enrique Ruiz-Velasco Sánchez; José Antonio Domínguez Hernández; Alejandra Alvarado Zink; Sergio Padilla Olvera


Revista Mexicana de Ortodoncia | 2015

Variations in slot size of self-ligating brackets

Marcos Daniel el Lugo Ancona; Roberto Ruiz Díaz; Francisco co Marichi Rodríguez; Sergio Padilla Olvera


Revista Mexicana de Ortodoncia | 2015

Variación en el tamaño de la ranura de brackets de autoligado

Marco Antonio Lugo Ancona; Roberto Ruiz Díaz; Francisco Marichi Rodríguez; Sergio Padilla Olvera


Archive | 2015

Variación en el tamaño de la ranura de brackets de autoligado Variations in slot size of self-ligating brackets

Marco Antonio Lugo Ancona; Roberto Ruiz Díaz; Francisco Marichi Rodríguez; Sergio Padilla Olvera


Archive | 2014

Tolerance in a 0.022" x 0.025" bracket slot from three commercial brands used in the Department of Orthodontics of the National Autonomous University of Mexico Tolerancia en la ranura de brackets .022" x .025" de tres casas comerciales usados en el Postgrado de Ortodoncia de la UNAM

Rocío del Carmen; Kancab Díaz; Roberto Ruiz Díaz; Gerardo Ruiz Botello; Sergio Padilla Olvera


Archive | 2014

Tolerancia en la ranura de brackets 0.018" x 0.025" de tres casas comerciales Slot tolerance from three different commercial brands of brackets

Laura Elizabeth Martínez Pérez; Roberto Ruiz Díaz; Gerardo Ruiz Botello; Sergio Padilla Olvera

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Roberto Ruiz Díaz

National Autonomous University of Mexico

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Gerardo Ruiz Botello

National Autonomous University of Mexico

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Laura Elizabeth Martínez Pérez

National Autonomous University of Mexico

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Francisco Marichi Rodríguez

National Autonomous University of Mexico

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Rocío del Carmen Kancab Díaz

National Autonomous University of Mexico

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Alejandra Alvarado Zink

National Autonomous University of Mexico

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Enrique Ruiz-Velasco Sánchez

National Autonomous University of Mexico

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Josefina Bárcenas López

National Autonomous University of Mexico

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José Antonio Domínguez Hernández

National Autonomous University of Mexico

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