Browsing by Title Artículos de revistas

Now showing items 795-814 of 898

    • Systematic reviews do not adequately report or address missing outcome data in their analyses: a methodological ... 
      Kahale, Lara; Diab, Batoul; Brignardello Petersen, Romina; Agarwal, Arnav; Mustafa, Reem; Kwong, Joey; Neumann, Ignacio; Li, Ling; Cruz Lopes, Luciane; Briel, Matthias; Busse, Jason; Lorio, Alfonso; Vandvik, Per Olav; Alexander, Paul; Guyatt, Gordon H.; Akl, Elie (Elsevier, 2018-03-02)
      Objectives: To describe how systematic review authors report and address categories of participants with potential missing outcome data of trial participants. Study Design and Setting: Methodological survey of systematic ...
    • Systematic reviews experience major limitations in reporting absolute effects 
      Alonso Coello, Pablo; Carrasco Labra, Alonso; Brignardello Petersen, Romina; Neumann, Ignacio; Akl, Elie; Vernooij, Robin; Johnston, Brad; Sun, Xin; Briel, Matthias; Busse, Jason; Ebrahim, Shanil; Granados, Carlos; Iorio, Alfonso; Irfan, Affan; Martínez García, Laura; Mustafa, Reem; Ramírez Morers, Anggie; Selva, Anna; Solà, Iván; Sanabria, Andrea; Tikkinen, Kari; Vandvik, Per; Zazueta, Oscar; Zhang, Yuqing; Zhou, Qi; Schünemann, Holger; Guyatt, Gordon H. (Elsevier, 2016)
      Objectives: Expressing treatment effects in relative terms yields larger numbers than expressions in absolute terms, affecting the judgment of the clinicians and patients regarding the treatment options. It is uncertain ...
    • Systemic and Extraradicular Bacterial Translocation in Apical Periodontitis 
      Bordagaray San Martín, María José; Fernández, Alejandra; Garrido, Mauricio; Astorga, Jéssica; Hoare Teuche, Anilei Paz; Hernández Ríos, Marcela (Frontiers Media, 2021)
      Apical periodontitis is an inflammatory disease of microbial etiology. It has been suggested that endodontic bacterial DNA might translocate to distant organs via blood vessels, but no studies have been conducted. We aimed ...
    • T regulatory cells-derived extracellular vesicles and their contribution to the generation of immune tolerance 
      Rojas García, Carolina; Campos Mora, Mauricio; Cárcamo, Ignacio; Villalón, Natalia; Elhusseiny, Ahmed; Contreras Kallens, Pamina; Refisch, Aarón; Gálvez Jirón, Felipe; Emparán, Ivana; Montoya Riveros, Andro; Vernal Astudillo, Rolando; Pino Lagos, Karina (Wiley, 2020)
      T regulatory (Treg) cells have a major role in the maintenance of immune tolerance against self and foreign antigens through the control of harmful inflammation. Treg cells exert immunosuppressive function by several ...
    • TBX21-1993T/C (rs4794067) polymorphism is associated with increased risk of chronic periodontitis and ... 
      Cavalla Ruiz, Ian; Biguettii, Claudia; Colavite, Priscila; Silveira, Elcia; Martins, Walter; Letra, Ariadne; Favaro Trombone, Ana; Menezes Silva, Renato; Pompermaier Garlet, Gustavo (Taylor & Francis, 2015)
      Th1-polarized host response, mediated by IFN-gamma, has been associated with increased severity of periodontal disease as well as control of periodontal infection. The functional polymorphism TBX21-1993T/C (rs4794067) ...
    • Teeth bleaching with low concentrations of hydrogen peroxide (6%) and catalyzed by LED blue (450 +/- 10 nm) ... 
      Vildósola Grez, Patricio; Bottner, Jessica; Ávalos, Francisca; Godoy, Isidora; Martin Casielles, Javier; Fernández Godoy, Eduardo (Wiley, 2017)
      Objectives The aim of this study was to evaluate color longevity after a year of in-office bleaching with gel (6% hydrogen peroxide HP, LED blue/laser infrared activation system) compared to a 35% control concentration in ...
    • Teeth whitening with 6% hydrogen peroxide and its impact on quality of life: 2 years of follow-up 
      Bersezio Miranda, Cristian; Martín, Javier; Angel, Pablo; Bottner, Jessica; Godoy, Isidora; Avalos, Francisca; Fernández Godoy, Eduardo (Springer Tokyo, 2019)
      This study aimed to evaluate color longevity after 2 years of whitening gel (6% hydrogen peroxide (HP), blue LED/infrared laser activation system) in comparison to a control 35% concentration in a split-mouth study and ...
    • Temporomandibular disorders in growing patients after treatment of class II and III malocclusion with ... 
      Jiménez Silva, Antonio; Carnevali-Arellano, Romano; Venegas Aguilera, Matías; Tobar Reyes, Julio; Palomino Montenegro, Hernán (Taylor and Francis Ltd, 2018)
      Objective: To determine if the use of orthopaedic appliances in growing patients applied to correct Class II and III malocclusion is related to the development of temporomandibular disorders (TMD). Material and methods: ...
    • Temporomandibular joint ankylosis after condylar dislocation into the middle cranial fossa: A case report 
      Zamorano, G.; Nuñez, L.; Alvarez, L.; Otayza, F.; Fernández, M.; Donoso-Hofer, F. (Elsevier Masson SAS, 2016)
      Introduction Dislocation of the mandibular condyle into the middle cranial fossa after a trauma is a rare event. The lack of appropriate treatment can lead to ankylosis of the temporomandibular joint (TMJ). We report about ...
    • Temporomandibular Joint Ankylosis: algorithm of treatment 
      Fariña Sirandoni, Rodrigo; Canto Contreras, Loreto; Gunckel Muñoz, Renato; Alister, Juan Pablo; Jara Uribe, Francisca, 1987- (Lippincott Williams & Wilkins, 2018)
      Temporomandibular joint ankylosis, according to age of onset, causes severe functional and morphological disorders, as well as stunted craniofacial growth and development.The primary goal of treatment is to resolve the ...
    • TGF-β activity in acid bone lysate adsorbs to titanium surface 
      Strauss Avendaño, Franz; Di Summa, Francesca; Stähli, Alexandra; Matos, Luiza; Vaca, Fabiola; Schuldt, Guenther; Gruber, Reinhard (Blackwell, 2019)
      Objectives: Osteoblasts lay down new bone on implant surfaces. The underlying cellular mechanism and the spatio-temporal mode of action, however, remain unclear. It can be proposed that growth factors released upon ...
    • TGFβ activity released from platelet-rich fibrin adsorbs to titanium surface and collagen membranes 
      Di Summa, Francesca; Kargarpour, Zahra; Nasirzade, Jila; Stähli, Alexandra; Mitulović, Goran; Panić Janković, Tanja; Koller, Veronika; Kaltenbach, Cosima; Müller, Heinz; Panahipour, Layla; Gruber, Reinhard; Strauss, Franz Josef (Nature, 2020)
      Platelet-rich fibrin (PRF) contains a broad spectrum of bioactive molecules that can trigger several cellular responses. However, these molecules along with their upstream responses remain mostly uninvestigated. By means ...
    • Th1/Th17/Th22 immune response and their association with joint pain, imagenological bone loss, RANKL ... 
      Monasterio, G.; Castillo, F.; Rojas, L.; Cafferata, E.; Álvarez, C.; Carvajal, P.; Núñez, C.; Flores, G.; Díaz, W.; Vernal Astudillo, Rolando (Wiley, 2018-08)
      It is well accepted that the presence of cytokines belonging to the Th1/Th17/Th22 axis of immuno-inflammatory response in the joint environment, such as IL-1, IL-17 and IL-22, respectively, are associated with pathogenesis ...
    • Th17 and Treg cells, two new lymphocyte subpopulations with a key role in the immune response against infection 
      Vernal Astudillo, Rolando; García Sanz, José A. (2008)
      In addition to the T helper 1 (Th1) and Th2 lymphocyte subsets, two new subpopulations Th17 and regulatory T (Treg) cells have recently been described. Th17 cells, which produce high levels of interleukin (IL)-17, ...
    • The 3 R's for platelet-rich fibrin: A "super" tri-dimensional biomaterial for contemporary naturally-guided ... 
      Zumarán, Consuelo; Parra, Marcelo; Olate, Sergio; Fernández Godoy, Eduardo; Muñoz, Francisco; Haidar, Ziyad (MDPI AG, 2018)
      Platelet-Rich fibrin (PRF) is a three-dimensional (3-D) autogenous biomaterial obtained via simple and rapid centrifugation from the patient’s whole blood samples, without including anti-coagulants, bovine thrombin, ...
    • The apple-peel syndrome in midgut volvulus El signo de la cáscara de manzana en vólvulo de intestino medio 
      Hirsch S., Michael; Cortés A., Claudio (2011)
      El signo de la cáscara de manzana corresponde a una imagen visualizada en el estudio con contraste oral del tubo digestivo alto en pacientes que presentan vólvulo del intestino medio. Su reconocimiento es fundamental para ...
    • The biting performance of Homo sapiens and Homo heidelbergensis 
      Godinho, Ricardo Miguel; Fitton, Laura C.; Toro Ibacache, Viviana; Stringer, Chris B.; Lacruz, Rodrigo S.; Bromage, Timothy G.; O'Higgins, Paul (Elsevier, 2018)
      Modern humans have smaller faces relative to Middle and Late Pleistocene members of the genus Homo. While facial reduction and differences in shape have been shown to increase biting efficiency in Homo sapiens relative to ...
    • The change of teeth color, whiteness variations and its psychosocial and selfperception effects when using ... 
      Estay Larenas, Juan; Angel Aguirre, Pablo; Bersezio Miranda, Cristian; Tonetto, M.; Jorquera, G.; Peña Riveros, Manuel; Fernández Godoy, Eduardo (BMC, 2020)
      Background: Dental bleaching in traditional concentrations generates greater sensitivity. In this respect, new systems of lower concentration of hydrogen peroxide for tooth bleaching appeared, with color stability unknown ...
    • The changes in electrical activity of the postural muscles of the mandible upon varying the vertical dimension 
      Manns, Arturo; Miralles, Rodolfo; Guerrero, Fernando (1981)
      The relation between BT-EMG activity and variations of VD (1 to 41 mm of interocclusal distance) was studied in the masseter, anterior temporal, and posterior temporal muscles of eight normal experimental subjects. EMG ...
    • The effect of a mandibular advancement appliance on cervical lordosis in patients with TMD and cervical pain 
      Santander, Hugo; Zúñiga, Claudia; Miralles, Rodolfo; Valenzuela, Saúl; Santander, Montserrat; Gutiérrez, Mario; Córdova, Rosa (Maney Publishing, 2014)
      Aims: A preliminary study to compare cervical lordosis by means of cervical cephalometric analysis, before and after six months of continuous mandibular advancement appliance (MAA) use, and to show how physical therapy ...