Browsing by Title Facultad de Odontología

Now showing items 2368-2387 of 2558

    • Stimulatory response of neutrophils from periodontitis patients with periodontal pathogens 
      Restaino Bianchi, Carmen Gloria; Chaparro, Alejandra; Valenzuela, María Antonieta; Kettlun, Ana María; Vernal Astudillo, Rolando; Silva, A.; Puente Piccardo, Javier; Jaque, M. P.; León Berríos, Rubén; Gamonal Aravena, Jorge Antonio (2007)
      OBJECTIVE: Neutrophils play a crucial role in the defense of invading bacteria by releasing biologically active molecules. The response of peripheral blood neutrophils was studied in periodontitis-affected patients and in ...
    • Strategies to assess the validity of recommendations: a study protocol 
      Martínez García, Laura; Sanabria, Andrea Juliana; Araya Cabello, Ignacio; Lawson, Jennifer; Haynes, R. Brian; Rigau, David; Solà, Iván; Díaz del Campo, Patra; Estrada, Maria Dolors; Etxeandia Ikobaltzeta, Itziar; García Álvarez, Elvira; Gracia, Javier; Kotzeva, Anna; Louro González, Arturo; Salcedo Fernandez, Flavia; Trujillo Martín, María Mar; Alonso Coello, Pablo (BioMed Central, 2013)
      Background: Clinical practice guidelines (CPGs) become quickly outdated and require a periodic reassessment of evidence research to maintain their validity. However, there is little research about this topic. Our project ...
    • Subclinical concentrations of chlorhexidine inhibit gelatinase activity of carious dentine in vitro 
      Mustakis Trufello, Alexandra; Urzúa Orellana, Blanca; Lozano Moraga, Carla Paola; Lefimil Puente, Claudia Andrea; Morales Bozo, Irene (Australian Dental Association, 2014)
      Background: There is evidence that dentine matrix gelatinases are involved in the destruction of carious dentine after demineralization by bacterial acids. It has also been observed that chlorhexidine, in very low ...
    • Subgingival microbial profiles in chronic periodontitis patients from Chile, Colombia and Spain 
      Herrera, David; Contreras, Adolfo; Gamonal Aravena, Jorge Antonio; Oteo, Alfonso; Jaramillo, Adriana; Silva Steffens, Nora; Sanz, Mariano; Botero, Javier Enrique; León Berríos, Rubén (Blacwell Munksgaard, 2008-02)
      Aim: To investigate the subgingival microbiota of distinct periodontitis patient populations, in Chile, Colombia and Spain, using identical clinical and bacteriological methods. Material and Methods: In this multicentre ...
    • Subgingival microbiota of chronic periodontitis subjects from different geographic locations 
      Haffajee, A.; Bogren, A.; Hasturk, H.; Feres, M.; López, N.; Socransky, S. (2004)
      BACKGROUND: Most clinical studies assume that the subgingival microbiota is similar from one geographic location to another. The purpose of the present investigation was to examine the composition of the subgingival ...
    • Subgingival scaling with root planing and curettage: effects upon gingival inflammation: a comparative study 
      Lopez, Nestor; Belvederessi, Mario (1977)
      In a joint clinical and histological research, carried out in humans of both sexes, it was attempted to establish some of the differences between the effects of curettage and root planing as procedures to accomplish remission ...
    • Subtipos del biotipo dolicofacial : Estudio mediante morfometría geométrica 
      Orellana Quezada, Catalina (Universidad de Chile, 2022)
      Los individuos dolicofaciales presentan una dirección de crecimiento predominantemente vertical, la cara puede ser más larga y estrecha, la altura facial anterior es mayor que la altura facial posterior. Una característica ...
    • Sulindaco, un inhibidor de VDAC como modulador del metabolismo mitocondrial en cáncer oral 
      Vera Serón, Darco Francisco Raúl (Universidad de Chile, 2023)
      El conjunto de neoplasias malignas de cabeza y cuello se posicionan como el sexto grupo de mayor prevalencia a nivel mundial, diagnosticándose en más de un 90% de los casos como carcinoma oral de células escamosas ...
    • Sulindaco, un inhibidor de VDAC como modulador del metabolismo mitocondrial en cáncer oral 
      Vera Serón, Darco Francisco (2023)
      Introducción: El conjunto de neoplasias malignas de cabeza y cuello se posicionan como el sexto grupo de mayor prevalencia a nivel mundial, diagnosticándose en más de un 90% de los casos como carcinoma oral de células ...
    • Surgical versus non-surgical treatment for carpal tunnel syndrome 
      Verdugo Latorre, Renato; Salinas, Rodrigo; Castillo, José; Cea, José (John Wiley and Sons, 2008)
      Background Carpal tunnel syndrome results from entrapment of the median nerve in the wrist. Common symptoms are tingling, numbness, and pain in the hand that may radiate to the forearm or shoulder. Most symptomatic cases ...
    • Survival rate of Sealed, Refurbished and repaired defective restorations: 4-year follow-up 
      Fernández Godoy, Eduardo; Martin, Javier; Angel, Pablo; Mjör, Ivar; Gordan, Valeria; Moncada, Gustavo (2011)
      The most common treatment in general dental practice is the replacement of restorations affected by secondary caries or marginal deficiencies. Alternative treatments to replacement of defective restorations, such as ...
    • Susceptibilidad antimicrobiana asociada a diferentes perfiles de LPS de Porphyromonas endodontalis en ... 
      Jiménez Parra, Mariela Fernanda (Universidad de Chile, 2015)
      Introducción: Diversos agentes antimicrobianos son utilizados en el tratamiento de las patologías periapicales, entre las cuales destaca la periodontitis apical (PA). Una de las formas comunes de la PA es la periodontitis ...
    • Susceptibilidad in vitro de levaduras del género cándida aisladas de un grupo de pacientes con candidiasis ... 
      Torrealba Durán, Claudia Cecilia (Universidad de Chile, 2007)
      Las infecciones fúngicas son comúnmente provocadas por hongos del género Candida.(6) C.albicans es la especie más frecuente(17)y en menor proporción otras como:glabrata, tropicalis y krusei. (8) Candida dubliniensis ...
    • Synthesis of hybrid copper-chitosan nanoparticles with antibacterial activity against cariogenic Streptococcus ... 
      Covarrubias Gallardo, Cristián; Trepiana Fica, Diego Andrés; Corral Núñez, Camila (Japanese Society Dental Materials and Devices, 2018-06)
      Hybrid nanoparticles (CuChNP) comprising of copper nanoparticles with a chitosan shell were synthesized. Antimicrobial properties of CuChNP were assessed against Streptococcus mutans (S. mutans), one of the main bacterium ...
    • Synthesis of nanostructured porous silica coatings on titanium and their cell adhesive and osteogenic ... 
      Inzunza Araya, Débora Alejandra; Covarrubias Gallardo, Cristián; Von Marttens, Alfredo; Leighton, Yerko; Carvajal, Juan Carlos; Valenzuela, Francisco; Díaz Dosque, Mario; Méndez, Nicolás; Martínez, Constanza; Pino, Ana María; Rodríguez, Juan Pablo; Cáceres, Mónica; Smith, Patricio (Wiley, 2014)
      Nanostructured porous silica coatings were synthesized on titanium by the combined sol–gel and evaporationinduced self-assembly process. The silica-coating structures were characterized by X-ray diffraction, transmission ...
    • Synthesis of new antibacterial composite coating for titanium based on highly ordered nanoporous silica and ... 
      Massa, Miguel A.; Covarrubias Gallardo, Cristián; Bittner, Mauricio; Fuentevilla, Ignacio Andrés; Capetillo Reyes, Pavel; Von Marttens Castro, Alfredo Hernán; Carvajal Herrera, Juan (Elsevier, 2014)
      Infection is the most common factor that leads to dental titanium implant failure. Antibacterial implant surfaces based on nano-scale modifications of the titanium appear as an attractive strategy for control of peri-implantitis. ...
    • Systematic review of Latin American national oral health surveys in adults 
      Duran, Doris; Monsalves, María José; Aubert, Josefina; Zárate, Víctor; Espinoza Santander, Iris (Wiley, 2018-08)
      BackgroundOral diseases represent a main public health problem worldwide. There is scarce information about oral health indicators in adults in middle-income countries in Latin America and Africa. ObjectivesTo identify and ...
    • 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 ...