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au:SALGADO, Miguel Angel Castillo
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Effects of the photobiomodulation using different energy densities on the periodontal tissues under orthodontic force in rats with type 2 diabetes mellitus
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GOMES, Mônica Fernandes
; GOULART, Maria da Graças Vilela
; GIANNASI, Lilian Chrystiane
; HIRAOKA, Cybelle Mori
; MELO, Gabriela de Fátima Santana
; ZANGARO, Renato Amaro
; NÓBREGA, Celestino José Prudente
; SALGADO, Miguel Angel Castillo
.
Abstract To evaluate the impact of the GaAlAs diode laser with energy densities of 160 J/cm2, 320 J/cm2, and 640 J/cm2 on the periodontal tissues under continuous orthodontic force application and on the rate of orthodontic tooth movement in rats with type-2 diabetes mellitus. The intensity of primary alveolar bone formation was also investigated through the immune-positive osteocytes for OPN antibody. Forty adult male Wistar rats were divided into eight groups of 5 rats: normoglycemic (N), 160 J-laser-normoglycemic (160 J-LN), 320 J-laser-normoglycemic (320 J-LN), 640 J-laser-normoglycemic (640 J-LN), diabetic (D), 160 J-laser-diabetic (160 J-LD), 320 J-laser-diabetic (320 J-LD), and 640 J-laser-diabetic (640 J-LD) rats. Diabetes mellitus was induced by a single intravenous injection of 40 mg/kg monohydrated-alloxan. An orthodontic force magnitude of 20cN was applied. The laser parameters were continuous emission of 780-nm wavelength, output power of 20mW, and fiber probe with a spot size of 0.04 cm in diameter. Radiographic, histomorphological, and immunohistochemical analysis were performed after a period of 21 days. The photobiomodulation using the energy density of 640 J/cm2 strongly stimulated the alveolar bone formation and contributed the reorganization of the soft periodontal tissues, followed by the 320 J/cm2. Extensive alveolar bone loss, intense infiltration of inflammatory cells, and degradation of the PDJ tissue were mainly found in the D and 160 J-LD groups. The rate of orthodontic tooth movement was represented by the interdental distance between the cementoenamel junctions of the right mandibular first and second molars . This distance was larger in the diabetic groups (D: 39.98±1.97, 160 J-LD: 34.84±6.01, 320 J-LD: 29.82±1.73, and 640 J-LD: 35.47±4.56) than in the normoglycemic groups (N: 21.13±1.19; 160 J-LN: 22.69±0.72, 320 J-LN: 22.28±0.78, and 640 J-LN: 24.56±2.11). The number of osteopontin-positive osteocytes was significantly greater in the 640 J-LD (14.72 ± 0.82; p < 0.01) and 640 J-LN (13.62 ± 1.33; p < 0.05) groups than with D (9.82 ± 1.17) and 160 J-LD (9.77 ± 1.10) groups. Therefore, the energy density of 640 J/cm2 provided the best maintenance and integrity of the periodontal tissue microarchitecture under continuous orthodontic force when compared with the other dosages, mainly in the uncontrolled diabetic rats. The interdental distance was greater in the D and 160 J-LD groups due to presence of severe periodontitis caused by diabetes plus the mechanical stress generated by continuous orthodontic forces, implying, thus, an insufficient biostimulatory effect for the dosage of 160 J/cm2.
https://doi.org/10.1590/1807-3107bor-2018.vol32.0061
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2.
Respuesta agronómica de maíces híbridos a la fertirrigación en Xalostoc, Morelos
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Bahena Delgado, Gregorio
; Castillo Gutiérrez, Antonio
; Broa Rojas, Elizabeth
; Olvera Salgado, María Dolores
; Jaime Hernández, Miguel Ángel
; García Matías, Francisco
.
Revista mexicana de ciencias agrícolas
- Métricas do periódico
Abstract Small maize producers are unaware of the agronomic behavior of new genotypes in their work area and the use of technical irrigation systems. The objective of this paper was to evaluate the agronomic behavior of hybrid maize cultivated in fertirrigation. The study was carried out in the 2014 winter-spring cycle in the School of Higher Studies of Xalostoc. The number of leaves above the cob, total leaves, cob weight, cob diameter and grain yield were measured. A completely random block design was used. The best hybrid for leaves above the cob (6.46), total leaves (13.66), cob weight (206.88) and grain yield (7 613.3 kg ha-1) was H-377. It was confirmed that the new introduced genotypes should be evaluated and technification for water saving and yield raise is required.
Resumen Los pequeños productores de maíz desconocen el los nuevos genotipos en su zona de trabajo y el empleo de sistemas tecnificados de riego. El objetivo de este trabajo fue evaluar el comportamiento agronómico de maíces híbridos cultivados en fertirrigación. El trabajo se realizó en el ciclo invierno- primavera 2014 en la Escuela de Estudios Superiores de Xalostoc. Se determinó número de hojas arriba de la mazorca, hojas totales, peso y diámetro de mazorca y rendimiento de grano. Se utilizó un diseño de bloques completamente al azar. El mejor hibrido en cuanto a hojas arriba de la mazorca (6.46), hojas totales (13.66), peso de mazorca (206.88) y rendimiento de grano (7 613.3 kg.ha-1) fue el H-377. Se confirmó que deben evaluarse los nuevos genotipos y se requiere de tecnificación para el ahorro del agua y elevar los rendimientos.
https://doi.org/10.29312/remexca.v8i3.29
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3.
Trabajos de investigación presentados en el L Congreso Mexicano de Anestesiología: Chihuahua 2017. México
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Ríos Medrano, Alea Fernanda
; Herrero Trujillano, Manuel
; Robles López, Maria Decire
; Rodríguez Barajas, Ruben
; Gutiérrez-Martínez, Paola Virginia
; Ramírez-Gómez, Melba
; Olvera-Hernández, Jesus Arnoldo
; Márquez Noyola, Elizabeth Alicia
; Almonte de León, Héctor
; Hernández Mancilla, Arturo
; Castro Salinas, José Ernesto
; Medrano-Duarte, Olga Abigahil
; Ramírez-Mendoza, Karla
; Rodriguez-Nieves, Georgina Monserrat
; Pareces Ríos, Adriana
; Ruiz-Rubio, Yolanda
; Hernández-Santiago, María Guadalupe
; Ramírez Mendoza, Karla
; Medrano Duarte, Olga Abigahil
; Martínez-Alpuche, Rocío Adriana
; Valenzuela-Priego, Francisco
; Álvarez-Santiago, José Heriberto
; Lugo-Rodríguez, Julian
; Betancourt-Sandoval, Alonso
; Prince-Angulo, Silvia Annel
; Martínez-Felix, Israel
; Salazar-Castro, Laura
; Espinazo-Quintero, Erendira
; Otañez, Monica Thalia
; Priego, Gloria
; Alzate, Ana Lizette
; Salazar, Laura Elena
; Nieblas, Mariela
; Martinez, Israel
; Alvarez-Betancourt, Ana Elsa
; Sánchez-Hernández, Eloy
; Romo-Serrano, Erika
; Rodríguez-Jauregui, Adriana
; Díaz-Aceves, Erica Raquel
; Arteaga-Trejo, Jaime
; Rodríguez-Jáuregui, Adriana
; Robles-Lopéz, María Decire
; Ibarra-González, María Livier
; Alvarez-Betancourt, Ana Elsa
; Díaz-Aceves, Erica Raquel
; Arteaga-Trejo, Jaime
; Santana-Sonora, Beatriz Alejandra
; Prince-Angulo, Silvia Annel
; Sandoval-Rivera, Arturo Guadalupe
; Camacho-López, Jesús Erick
; Alzate-Moctezuma, Ana Lizette
; Valencia-Echávarri, Andrea
; Canales-Bonilla, Carlos Patricio
; Ramos-Hernández, Julia Demetria
; Flores-Posada, Jesus Jonathan
; Muñoz Garcia, Aleyda
; Osorio Santiago, Maria Areli
; Lopez Cartita, Victor
; Ortega, Julio
; Fuentes García, Víctor E
; Moyao García, Diana
; Villars Zamora, Elvia Gabriela
; Prince Angulo, Silvia Annel
; Gerardo Angulo, Alma Ruth
; Martinez Felix, Israel
; Ayala Camargo, Yuridia
; Esquer de la Rosa, Jaquelyn Roxana
; Trapaga Millares, Yazmin
; Sánchez León, Claudia Elena
; Vásquez Puente, Felipe
; Rojo Medina, Victor Javier
; Urias Romo de vivar, Emma Gabriela
; Prince Angulo, Silvia Annel
; Ojeda Ramos, Joel
; Caceres Figueroa, Leonardo Andres
; Martinez Reyes, Maria Fernanda
; Contreras Ramírez, Nathalie
; Martínez Barreto, Nelly
; Ruelas León, Berenice
; Reyes Salgado, Karla
; Ruvalcaba Sánchez, Rafael
; Núñez Valencia, Carolina
; Escamilla Asiain, Gabriela
; Carranza-Cortés, José Luis
; Puga-Flores, Eva del Carmen
; Jiménez-Cardona, María Beatriz
; Puga-García, Diana Marisol
; Alcaraz-Ramos, Rosina
; Martinez-Delgado, Olinda
; Zamudio-Gracia, Carlos Amador
; Mireles Vega, Elizabeth
; Hernández López, Clara
; Ceballos Niño, Jose Luis
; Carreño Caballero, Jessica
; Montiel Jarquín, Álvaro José
; López García, Ingrid
; Serrano Cuevas, Beatriz
; Martinez Marin, Dolores Guillermina
; Díaz-Aceves, Erica Raquel
; Romo-Serrano, Erika
; Campechanos-Asencio, María de los Ángeles
; Rodríguez-Jáuregui, Adriana
; Betancourt-Álvarez, Ana Elsa
; Arteaga-Trejo, Jaime
; Arteaga-Trejo, Jaime
; Romo-Serrano, Erika
; Rios-Navarro, Ramón Alejandro
; Rodriguez-Jauregui, Adriana
; Alvarez-Betancourt, Ana Elsa
; Diaz Aceves, Érica Raquel
; Calleja-Zenteno, Liliana
; Fernández-Vázquez, María Urbelina
; Carreño-Caballero, Jessica
; Serrano Cuevas, Beatriz
; Montiel Jarquín, Álvaro José
; Carreño- Caballero, Jessica
; Cortes- Pineda, Claudia
; Fernández-Vázquez, María Urbelina
; Hernández-Domínguez, Juan
; Serrano-Cuevas, Beatriz
; Ruiz- Luna, Mayra
; Gómez-Moreno, Julieta Berenice
; Hernández-Santiago, Maria Guadalupe
; Ruiz-Rubio, Yolanda
; Ruiz-Serrano, Ana Cristina
; Medina-Flores, Aleida
; Sánchez Torres, Claudia
; Osorio Santiago, María Areli
; Lee, Angel
; Correa-Ovis, Jose Francisco
; Priego-Martínez, Luis Alberto
; Valencia-Carrillo, Miguel
; Sánchez-Arteaga, Sofia
; Cruz-Márquez, Abraham Josué
; Duran-Zamora, Karina Aurora
; Corral-Guerrero, Sergio Francisco
; Arce Bojorquez, Brisceyda
; Medina, Francisco
; Felix, Pavel
; Estrada, Haydeé Gloria
; González-Herrera, Francisco Javier
; Zepeda Olivera, Silvia
; Pablo-Yañez, Julio Cesar
; Colores Velazquez, Julio Cesar
; Calva Maldonado, Miguel
; Veyna Rocha, Sissy Barubi
; Veyna Rocha, Abraham Irishd
; Rodríguez-Rodríguez, María Guadalupe
; Castillo- Rodriguez, Juan Orlando
; Martínez-Figueroa, Brenda Paola
; Romero Guillén, Lorena Priscila
; Pavía Vega, Susy Sáez
; Jiménez Siles, María Eugenia
; Hurtado Reyes, Ignacio Carlos
; Rojas Zarco, Eder Marcelo
; Sánchez Tapia, Mario Alberto
; Villicaña-Ayala, Carolina
; Díaz-Aguilar, Marco Antonio
; Apolinar Jiménez, Evelia
; García-Parra Pérez, Paola Carolina
; García-Parra Pérez, Natalia Cristina
; Yee-Rendón, Zumey
; Valle-Leal, Jaime Guadalupe
; Reyes-Jiménez, Gerardo Antonio
; Ortiz-Magallanes, Elías
; Sanchez-Aguilar, Maricela
; Mota-Figueroa, Roanne Patrician
; Espinosa-Tadeo, Aldo Ernesto
; Díaz-Hernández, Alejandro Eduardo
; Cendón-Ortega, María Mercedes
; Ortega-Ponce, Fabiola Estela Elizabeth
; Romero-Guillen, Lorena Priscila
; Cruz Castañedo, Greta
; Constantino-Rivera, Luis Armando
; Gordillo-Paniagua, Jorge Alberto
; Contreras-Ramírez, Nathalie
; Bernal-Zambrano, Luis Omar
; Flores-Alvarado, Rosa María
; Ferrera-Sarquís, María Aurora
; Espino Vega, Ana Frain
; Guillen-Narváez, María del Rocio
; López-García, Rocío Angélica
; Martínez-Sánchez, Angélica
; Huerta-Beltrán, Juana Geraldine
; Gómez-Rojas, Juan Pablo
; Rivera-Ruiz, Rodolfo Eduardo
; Ramírez Reyes, Liliana Georgina
; Muñoz Martínez, Raúl
; Martínez-Morales, Nayeli Noemi
; Mariscal-Cervantes, Beatriz
; Chávez-Barragán, Oscar Fernando
; Barrera-de León, Juan Carlos
; Carrillo-Guerra, Valentin
; Huitrón-Hernández, José Alonso
; De la Rosa-Fabián, Viviana Marysela
; Zertuche-Méndez, David Ricardo
; Riquelme Holguin, Karla Talia
; Gutierrez Beltran, Maria del Refugio
; Martinez-Tapia, Maria Elena
; Amezquita Esparza, Monica
; Portillo Villalobos, Samantha
; Díaz Solís, Erick Iván
; Estrada Utrera, Maria Sandra
; Islas Ruz, Félix Gilberto
; Pérez Díaz, Roberto
; Chávez-Contreras, Sara Idali
; Zepeda Olivera, Silvia
; Calva-Maldonado, Miguel
; Fragoso-Avilés, Fabían
; Rosa-Moya, Griselda de la
; Ávila-López, Armando
; López Castruita, Victor Manuel
; Manrique Carmona, Luisa Piedad
; Ramírez- Martínez, Elizabeth
; Rojas-Peñaloza, Janeth
; López-Gómez, Antonio
; Veyna Rocha, Abraham Irishd
; Veyna Rocha, Sissy Barubi
; Torres Hernández, Rosa
; Aleman-Ortega, Cristina
; Guevara-Pérez, Alejandra
; Castillo Gamez, Tobias Francisco
; Gutierrez Beltran, María del Refugio
; Martínez Tapia, María Elena
; Alanis Uribe, Karla
; Guerrero Morales, Fernando
; Molina Rodríguez, Gloria
; Gómez Cruz, José Roberto
; Tapia Castro, Gabriela
; Ley, Marcial Luis
; Castro Ortega, Julio
; Martínez, Leo Bruno
; Portugal Moreno, Víctor Hugo
; García Cabello, Luis Manuel
.
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4.
Comparative analysis of human and bovine teeth: radiographic density
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Tanaka, Jefferson Luis Oshiro
; Medici Filho, Edmundo
; Salgado, José Antônio Pereira
; Salgado, Miguel Angel Castillo
; Moraes, Luiz Cesar de
; Moraes, Mari Eli Leonelli de
; Castilho, Julio Cezar de Melo
.
Since bovine teeth have been used as substitutes for human teeth in in vitro dental studies, the aim of this study was to compare the radiographic density of bovine teeth with that of human teeth to evaluate their usability for radiographic studies. Thirty bovine and twenty human teeth were cut transversally in 1 millimeter-thick slices. The slices were X-rayed using a digital radiographic system and an intraoral X-ray machine at 65 kVp and 7 mA. The exposure time (0.08 s) and the target-sensor distance (40 cm) were standardized for all the radiographs. The radiographic densities of the enamel, coronal dentin and radicular dentin of each slice were obtained separately using the "histogram" tool of Adobe Photoshop 7.0 software. The mean radiographic densities of the enamel, coronal dentin and radicular dentin were calculated by the arithmetic mean of the slices of each tooth. One-way ANOVA demonstrated statistically significant differences for the densities of bovine and human enamel (p < 0.05) and for bovine and human coronal dentin (p < 0.05). No statistically significant differences were found for the bovine and human radicular dentin (p > 0.05). Based on the results, the authors concluded that: a) the radiographic density of bovine enamel is significantly higher than that of human enamel; b) the radiodensity of bovine coronal dentin is statistically lower than the radiodensity of human coronal dentin; bovine radicular dentin is also less radiodense than human radicular dentin, although this difference was not statistically significant; c) bovine teeth should be used with care in radiographic in vitro studies.
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