Browsing by Title Facultad de Odontología

Now showing items 1776-1795 of 2545

    • Methodological survey of designed uneven randomization trials (DU-RANDOM): a protocol 
      Wu, Darong; Akl, Elie A.; Guyatt, Gordon H.; Devereaux, Philip J.; Brignardello Petersen, Romina; Prediger, Barbara; Patel, Krupesh; Patel, Namrata; Lu, Taoying; Zhang, Yuan; Falavigna, Maicon; Santesso, Nancy; Mustafa, Reem A.; Zhou, Qi; Briel, Matthias; Schünemann, Holger J. (BioMed Central Ltd., 2014)
      Background: Although even randomization (that is, approximately 1:1 randomization ratio in study arms) provides the greatest statistical power, designed uneven randomization (DUR), (for example, 1:2 or 1:3) is used to ...
    • Methods for studying primary cilia in heart tissue after ischemia-reperfusion injury 
      Kretschmar, Catalina; Hernández Cáceres, María Paz; Reyes Rojas, Montserrat; Peña Oyarzún, Daniel; García Navarrete, Camila; Troncoso Cotal, Rodrigo Hernán; Díaz Castro, Francisco; Budini Budini, Mauricio Fernando; Morselli, Eugenia; Riquelme Meléndez, Jaime Andrés; Hill, Joseph A.; Lavandero González, Sergio; Criollo Céspedes, Alfredo (Elsevier, 2023)
      Cardiovascular diseases are the leading cause of death and disability worldwide. After heart injury triggered by myocardial ischemia or myocardial infarction, extensive zones of tissue are damaged and some of the tissue ...
    • Metil jasmonato como inhibidor de la interacción VDAC-HK y su posible efecto antitumoral en cáncer oral 
      Ciudad Pérez, Soledad Andrea del Carmen (Universidad de Chile, 2023)
      El carcinoma oral de células escamosas es un problema de salud pública para Chile y corresponde al 90% de neoplasias de la cavidad oral. En este contexto, surge el interés por investigar terapias adyuvantes a los ...
    • Métodos de evaluación de severidad de maloclusiones dentales en niños y adolescentes 
      Pacheco Parada, María José (Universidad de Chile, 2022)
      Introducción: La evaluación de las maloclusiones es fundamental para el establecimiento de un diagnóstico y la determinación de las necesidades de tratamiento de los pacientes. Los índices ortodónticos permiten evaluar ...
    • Micro-tomographic characterization of the root and canal system morphology of mandibular first premolars ... 
      Sierra Cristancho, Alfredo José; González Osuna, Luis; Poblete, Daniela; Cafferata Chea, Emilio Alfredo; Carvajal Pavez, Paola Lorena; Lozano Moraga, Carla Paola; Vernal Astudillo, Rolando Marcelo (Nature, 2021)
      This study aimed to analyze the root anatomy and root canal system morphology of mandibular first premolars in a Chilean population. 186 teeth were scanned using micro-computed tomography and reconstructed three-dimensionally. ...
    • La microestructura ósea y el efecto de la parálisis del músculo masetero de ratón por toxina botulínica ... 
      Mejías Becerra, Nicolás (Universidad de Chile, 2023)
      INTRODUCCIÓN: El sistema musculoesquelético presenta una alta coordinación entre sus tejidos componentes, por lo que la alteración de una de sus partes puede desencadenar efectos en todo este sistema. La parálisis ...
    • Microfiltración marginal de restauraciones indirectas de resina compuesta cementadas con resina fluida con ... 
      Leiva Büchi, Marisol Beatriz (Universidad de Chile, 2007)
      Se midió experimentalmente in vitro la microfiltración alcanzada en 80 incrustaciones de resina compuesta cementadas con resina fluida utilizando un sistema autograbante (Go!, SDI, Australia) versus un sistema de ...
    • Microfiltración marginal en restauraciones indirectas con resinas compuestas fijadas con diferentes cementos ... 
      Rojas Torres, Paula Andrea (Universidad de Chile, 2010)
      Se realizó un estudio comparativo in vitro propuesto por el área de Biomateriales odontológicos, para evaluar el grado de sellado marginal de restauraciones indirectas de resina compuesta cementadas con cementos con ...
    • Microsatellite loci-based distribution of Trypanosoma cruzi genotypes from Chilean chronic Chagas disease ... 
      Venegas Hermosilla, Juan; Díaz Cuevas, Laín; Rojas, Tamara; Miranda, Sandra; Jercic, M. I.; González, Christian; Coñoepán, William; Vargas, Álex; Pichuantes, Sergio; Gajardo Ramírez, Marta Kelly; Rodríguez Borges, Jorge; Sánchez, Gittith (Stefan´ski Institute of Parasitology, 2013)
      The objective of this study was to investigate if there is specific host-parasite association in Chilean populations of Trypanosoma cruzi. For this purpose, two groups of parasites were analyzed, one from chronic chagasic ...
    • Minimal invasive treatment for defective restorations: Five-year results using sealants 
      Martin, J.; Fernandez, E.; Estay, J.; Gordan, V.; Mjor, I.; Moncada, G. (2013)
      Replacement of dental restorations has been the traditional treatment for restorations that are defective. In this five-year randomized clinical trial, restorations with localized marginal defects were treated with ...
    • Minimally important difference estimates and methods: a protocol 
      Johnston, Bradley C.; Ebrahim, Shanil; Carrasco Labra, Alonso; Furukawa, Toshi A.; Patrick, Donald L.; Crawford, Mark W.; Hemmelgarn, Brenda R.; Schunemann, Holger J.; Guyatt, Gordon H.; Nesrallah, Gihad (BMJ Publishing Group, 2015)
      Introduction Patient-reported outcomes (PROs) are often the outcomes of greatest importance to patients. The minimally important difference (MID) provides a measure of the smallest change in the PRO that patients perceive ...
    • miRNA-21 deficiency impairs alveolar socket healing in mice 
      Strauss Avendaño, Franz; Stahli, Alexandra; Kobatake, Reiko; Tangl, Stefan; Heimel, Patrick; Alccayhuaman, Karol Ali Apaza; Schosserer, Markus; Hackl, Matthias; Grillari, Johannes; Gruber, Reinhard (Wiley, 2020)
      Objectives MicroRNAs (miRNAs) are small noncoding RNAs demonstrated as critical post-transcriptional modulators in dental tissues and bone regeneration, particularly miR-21-5p. However, the role of miR-21-5p in the healing ...
    • MMP activation in diagnostics of periodontitis and systemic inflammation 
      Sorsa, Timo; Mäntylä, Päivi; Tervahartiala, Taina; Pussinen, Pirkko J.; Gamonal Aravena, Jorge Antonio; Hernández Ríos, Emma (John Wiley & Sons A/S, 2011-09)
    • MMP-13 and TIMP-1 determinations in progressive chronic periodontitis 
      Hernández Ríos, Emma; Martínez, Benjamín; Tejerina, José María; Valenzuela, María Antonieta; Gamonal Aravena, Jorge Antonio (2007)
      Matrix metalloproteinase (MMP)-13 is a collagenase involved in extracellular matrix degradation either by its direct degradative effects or by processing bioactive substrates. The aim of this study was to determine the ...
    • MMP-8, TRAP-5, and OPG levels in GCF diagnostic potential to discriminate between healthy patients’, mild ... 
      Hernández, Marcela; Baeza Paredes, Mauricio; Contreras Balbontín, Johanna; Sorsa, Timo; Tervahartiala, Taina; Valdés Salgado, Macarena; Chaparro, Alejandra; Hernández Ríos, Patricia (MDPI, 2020)
      Biomarkers represent promising aids in periodontitis, host-mediate diseases of the tooth-supporting tissues. We assessed the diagnostic potential of matrix metalloproteinase-8 (MMP-8), tartrate-resistant acid phosphatase-5 ...
    • MMP-9 levels in the gingival crevicular fluid of chilean rosacea patients 
      Fernández, Javier; Jiménez, Constanza; Benadof, Dafna; Morales, Paulina; Astorga, Jéssica; Cáceres, Felipe; Hernández Ríos, Emma Marcela; Fernández, Alejandra; Valenzuela, Fernando (MDPI, 2022)
      Rosacea is a chronic inflammatory skin disease whose prevalence rates remain unknown in Chile. Laboratory benchmark testing for this disease is not useful, therefore, we aimed to evaluate the gingival crevicular fluid (GCF) ...
    • MMP1-1607 polymorphism increases the risk for periapical lesion development through the upregulation MMP-1 ... 
      Favaro Trombone, Ana Paula; Cavalla Ruiz, Ian Franco; Varize Silveira, Elcia María; Andreo, Camile Bermejo; Francisconi, Carolina Favaro; Fonseca, Angélica Cristina; Letra, Ariadne; Silva, Renato Menezes; Garlet, Gustavo Pompermaier (2016)
      Increased matrix metalloproteinases (MMPs) activity is a hallmark of periapical granulomas. However, the factors underlying the MMPs expression modulation in healthy and diseased periapical tissues remains to be determined. ...
    • Model of socio-cultural dimensions involved in adherence to antiretroviral therapy for HIV/AIDS in public ... 
      Stuardo Avila, Valeria Andrea; Manríquez Urbina, José Manuel; Fajreldin Chuaqui, Valentina Eliana; Belmar Prieto, Julieta; Valenzuela Santibáñez, Victoria (2016)
      In Chile, over 14,000 adults are living with HIV receive antiretroviral therapy (HAART). Adequate adherence to HAART has a major impact on survival. There is little consensus on the causes of poor adherence, due to the ...
    • Modelo de conductancia hidráulica de la dentina humana ex vivo 
      Hevia, J.; Fresno Rivas, María Consuelo; Martín Casielles, Javier; Moncada, G.; Letelier, C.; Oliveira, Osmir Batista; Fernández Godoy, Eduardo (Sociedad de Periodoncia de Chile, 2013)
      terceros molares sanos, con indicación de exodoncia, de donantes sanos de edades entre 15 y 30 años fueron obtenidos mediante consentimiento informado. Luego de limpiarlos, desinfectarlos, incluirlos en resina epóxica y ...
    • Modelo experimental para estudiar la conductancia hidráulica de la dentina humana ex vivo 
      Hevia Retamal, Javier Alejandro (Universidad de Chile, 2012)
      El objetivo principal de este trabajo fue montar y probar un modelo experimental para medir la conductancia hidráulica de la dentina humana ex vivo. Diecisiete terceros molares sanos, libres de caries con indicación ...