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In-office dental bleaching in adolescents using 6% hydrogen peroxide with and without gingival barrier: a randomized double-blind clinical trial Inoffice In office 6 barrier doubleblind double blind
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CARNEIRO, Taynara de Souza
; FAVORETO, Michael Willian
; RODRIGUES, João Pedro Ferreira
; SUTIL, Elisama
; CENTENARO, Gabrielle Gomes
; FREITAS, Isabela de Matos de
; REIS, Alessandra
; GARCÍA, Laura Ceballos
; LOGUERCIO, Alessandro Dourado
.
Abstract At low concentrations used for in-office bleaching gels, such as 6% HP, gingival barrier continues to be performed. If we take into account that, in the at-home bleaching technique, no barrier is indicated, it seems that the use of a gingival barrier fails to make much sense when bleaching gel in low concentration is used for in-office bleaching. Objective This double-blind, split-mouth, randomized clinical trial evaluated the gingival irritation (GI) of in-office bleaching using 6% hydrogen peroxide (HP) with and without a gingival barrier in adolescents, as well as color change and the impact of oral condition on quality of life. Methodology Overall, 60 participants were randomized into which side would or would not receive the gingival barrier. In-office bleaching was performed for 50 minutes with 6% HP in three sessions. The absolute risk and intensity of GI were assessed with a visual analogue scale. Color change was assessed using a digital spectrophotometer and color guides. The impact of oral condition on quality of life was assessed using the Brazilian version of the Oral Health Impact Profile (α=0.05). Results The proportion of patients who presented GI for the “with barrier” group was 31.6% and for the “without barrier” group, 30% (p=1.0). There is an equivalence for the evaluated groups regarding GI intensity (p<0.01). Color change was detected with no statistical differences (p>0.29). There was a significant impact of oral condition on quality of life after bleaching (p<0.001). Conclusions The use or not of the gingival barrier for in-office bleaching with 6% HP was equivalent for GI, as well as for bleaching efficacy, with improvement in the impact of oral condition on quality of life. inoffice office gels 6 athome at home technique indicated doubleblind, doubleblind double blind, blind double-blind splitmouth, splitmouth split mouth, mouth split-mouth (GI (HP adolescents Overall Inoffice In 5 sessions scale guides α=0.05. α005 α α=0.05 . 0 05 (α=0.05) 316 31 31.6 30 p=1.0. p10 p p=1.0 1 (p=1.0) p<0.01. p001 p<0.01 01 (p<0.01) p>0.29. p029 p>0.29 29 (p>0.29) p<0.001. p0001 p<0.001 001 (p<0.001) efficacy α00 α=0.0 (α=0.05 3 31. p1 p=1. (p=1.0 p00 p<0.0 (p<0.01 p02 p>0.2 2 (p>0.29 p000 p<0.00 00 (p<0.001 α0 α=0. (α=0.0 p=1 (p=1. p0 p<0. (p<0.0 p>0. (p>0.2 (p<0.00 α=0 (α=0. p= (p=1 p<0 (p<0. p>0 (p>0. α= (α=0 (p= p< (p<0 p> (p>0 (α= (p (p< (p> (α
2.
In-office dental bleaching in adolescents using 6% hydrogen peroxide with different application tips: randomized clinical trial Inoffice In office 6 tips
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CARNEIRO, Taynara de Souza
; FAVORETO, Michael Willian
; FERREIRA, Michel Wendlinger Cantanhede
; BERNARDI, Laís Giacomini
; ANDRADE, Heloísa Forville de
; BANDECA, Matheus Coelho
; REIS, Alessandra
; CEBALLOS GARCÍA, Laura
; LOGUERCIO, Alessandro Dourado
.
Abstract Despite the availability of in-office bleaching gels with a 6% concentration of hydrogen peroxide (HP), these gels have not been evaluated in younger patients. They are commercially available with a tip, associated or not with a brush, where the tip with a brush spreads the gel over the entire surface to have a smaller thickness (thin layer) since the manufacturers indicate the application of a thin layer of gel. Objective This randomized, split-mouth, double-blind clinical trial evaluated the efficacy of in-office bleaching with 6% HP in adolescents using different application tips, as well tooth sensitivity (TS) and aesthetic self-perception. Methodology Sixty participants were randomized for 6% HP self-mixing bleaching gel tip design: without brush and with brush. In-office bleaching was performed in 3 sessions of 50 minutes. Color change was evaluated using a digital spectrophotometer (ΔE ab , ΔE 00 , and ΔWI D ) and color guide (ΔSGU), the absolute risk and intensity of TS with a visual analogue scale and aesthetic self-perception with the oral aesthetic scale (a=0.05). Results The groups achieved similar bleaching regardless of the application tip (p>0.05). However, only for ΔWI D , a significant mean difference (MD) was observed in the third week (MD 2.3; 95% CI 1.2 to 3.3; p < 0.001) and at one month (MD 1.6; 95% CI 0.6 to 2.6; p < 0.03) favoring the tip without brush. Regarding TS, 45% in the tip-without-brush group and 33% in the tip-with-brush group reported TS (odds ratio 0.61; 95% CI 0.29 to 1.28; p<0.02), with low TS intensity (MD 0.05; 95% CI -0.06 to 0.17; p>0.36). All patients reported improved aesthetic self-perception after bleaching (MD -1.3; 95% -1.8 to -0.9; p<0.001). Conclusions Regardless of the tip used bleaching with 6% HP achieved a bleaching efficacy and improved the aesthetic self-perception. However, a lower risk of TS for application using the tip with brush was observed. inoffice office 6 HP, (HP) splitmouth, splitmouth split mouth, mouth split-mouth doubleblind double blind tips (TS selfperception. selfperception self perception. perception selfmixing mixing design Inoffice In 5 minutes 0 ΔSGU, ΔSGU (ΔSGU) a=0.05. a005 a=0.05 . 05 (a=0.05) p>0.05. p005 p>0.05 (p>0.05) However MD 2.3 23 2 95 12 1 1. 3.3 33 0.001 0001 001 1.6 16 06 0. 2.6 26 0.03 003 03 45 tipwithoutbrush tipwithbrush odds 0.61 061 61 029 29 0.2 1.28 128 28 p<0.02, p002 p<0.02 02 p<0.02) 0.05 005 0.06 006 -0.0 0.17 017 17 p>0.36. p036 p>0.36 36 p>0.36) 1.3 13 -1.3 1.8 18 8 -1. 0.9 09 9 -0.9 p<0.001. p0001 p<0.001 p<0.001) (HP (ΔSGU a00 a=0.0 (a=0.05 p00 p>0.0 (p>0.05 2. 3. 0.00 000 0.0 4 p<0.0 -0. 0.1 01 p03 p>0.3 -1 p000 p<0.00 a0 a=0. (a=0.0 p0 p>0. (p>0.0 p<0. -0 - a=0 (a=0. p>0 (p>0. p<0 a= (a=0 p> (p>0 p< (a= (p> (a (p
3.
Conocimientos y percepción de riesgo de estudiantes de Estomatología frente al VIH/sida
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Ceballos Rojas, Manuel Alejandro
; Hernández-García, Frank
; Delgado Montesinos, Laura
; Romero Lantarón, Alexander Manuel
; Abad Sastre, Aleida Margarita
; Lazo Herrera, Luis Alberto
.
ABSTRACT Introduction: HIV is considered one of the pandemics currently scourging humanity. In this respect, sexuality education is a responsibility of the whole society. In Cuba, risk perception and knowledge of medical science students about this condition have been poorly studied. Objective: To determine the risk perception and knowledge of dental students about HIV infection. Methods: A descriptive and cross-sectional study was conducted from September to November 2019 at the University of Medical Sciences of Havana. The work was carried out with 157 students of the dental medicine major, who were applied the HIV/AIDS-65 scale, which consisted of 65 items and was divided into seven subscales. The data were processed and shown in tables, using descriptive statistics. Results: 46.50 % of the students considered it false that HIV/AIDS was a life-threatening disease and 19.75 % believed that too much time, money and other resources were being invested in this disease in comparison with other diseases. 68.15 % of the students referred that sex was not as pleasurable when a condom was used, while 60.51 % of the respondents did not consider themselves the type of person who could contract the AIDS virus (susceptibility). Conclusions: Students have an adequate level of knowledge, despite misconceptions, negative attitudes and practices, which potentiate the risk of infection.
RESUMEN Introducción: El VIH se considera una de las pandemias que azota actualmente la humanidad. En este sentido, la educación de la sexualidad constituye una responsabilidad de toda la sociedad. En Cuba han sido pobremente estudiados la percepción de riesgo y los conocimientos de los estudiantes de ciencias médicas sobre esta afección. Objetivo: Determinar la percepción de riesgo y los conocimientos de estudiantes de la carrera de Estomatología sobre la infección por VIH. Métodos: Se realizó un estudio descriptivo y transversal desde septiembre hasta noviembre de 2019 en la Universidad de Ciencias Médicas de La Habana. Se trabajó con 157 estudiantes de la carrera de Estomatología, a los cuales se les aplicó la escala VIH/sida-65, que constó de 65 ítems y se dividió en siete subescalas. Los datos fueron procesados y se mostraron en tablas, mediante la estadística descriptiva. Resultados: El 46,50 % de los estudiantes consideró falso que el VIH/sida fuera una enfermedad que amenazara la vida de las personas y el 19,75 % creyó que se estaba invirtiendo en esta enfermedad demasiado tiempo, dinero y otros recursos en comparación con otras enfermedades. El 68,15 % de los estudiantes refirió que el sexo no era tan placentero cuando se usaba condón y un 60,51 % de los encuestados no se consideró el tipo de persona que pudiera contraer el virus del sida (susceptibilidad). Conclusiones: Los estudiantes tienen un nivel de conocimientos adecuado, a pesar de ideas erróneas, actitudes y prácticas negativas, que potencian el riesgo de infección.
4.
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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5.
Influence of cavity type and size of composite restorations on cuspal flexure
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González López, Santiago
; Sanz Chinesta, Maria Victoria
; Ceballos García, Laura
; de Haro Gasquet, Francisco
; González Rodríguez, Maria Paloma
.
Medicina Oral, Patología Oral y Cirugía Bucal (Internet)
- Métricas do periódico
Objectives: The present study examines the influence of cavity type, and size of composite restorations on cuspal flexure due to polymerization shrinkage. Methods: Thirty healthy premolars were selected and divided into two experimental groups. Group 1: Mesial, mesio-distal, and MOD cavities were successively prepared in each tooth by means of the SONICSYS approx system (KaVo®) using a nº 2 (small) diamond tip. Group 2: The same cavity preparation sequence was followed but a nº 3 (medium) tip was used. Cavity preparations were performed and afterwards restored using the same adhesive system and resin composite. Cuspal displacement was measured 15 min after completion of each type of restoration. Results: Under the experimental conditions used, polymerization shrinkage of composite restorations resulted in an inward deflection of the cusps in all the situations evaluated. The Friedman global test found significant differences according to the cavity type and size (p<0.05). The Wilcoxon test revealed that deflection was significantly affected by the amount of dental tissue lost, since practically no movement was observed in the case of mesial cavities but extensive displacements were recorded for MOD restorations (p<0.05). However, no influence of bucco-lingual width on cuspal flexure was detected by the Student’s t test (p>0.05). Conclusions: The present study demonstrates that significantly higher cuspal deflection is observed in MOD restorations, showing that the degree of dental removal influences the cuspal flexure from polymerization shrinkage of composite restorations.
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