Now showing items 801-820 of 898

    • López Villarroel, Néstor; Quintero, Antonio; Casanova, Patricia A.; Ibieta Hillerns, Carola; Baelum, Vibeke; López, Rodrigo (2012-03)
      Background: The systemic inflammation in both metabolic syndrome (MetS) and periodontitis is a common denominator of the association of these conditions with higher risk of atherosclerosis. The current study investigat ...
    • Villanueva Maffei, Julio; Araya Cabello, Ignacio; Yanine Montaner, Nicolás (Sociedad Chilena de Infectología, 2012-02)
      Introducción: No existe consenso sobre la duración de la profilaxis antimicrobiana más adecuada (dosis única o múltiple) en cirugía maxilofacial limpia-contaminada. Objetivo: Determinar si en cirugía maxilofacial mayor ...
    • Urzúa Orellana, Blanca; Hermosilla, G.; Gamonal Aravena, Jorge Antonio; Morales Bozo, Irene; Canals Lambarri, Mauricio; Barahona, S.; Cóccola, C.; Cifuentes Guzmán, Víctor (Informa Healthcare, 2008-12)
      The term periodontitis encompasses several polymicrobial infectious diseases, of multifactorial etiology, with chronic and aggressive forms. In spite of the etiopathogenic differences between these two forms of the disease, ...
    • Ovalle, Alfredo; Gamonal Aravena, Jorge Antonio; Martínez, M. Angélica; Silva Steffens, Nora; Kakarieka, Elena; Fuentes García, Frans; Chaparro, Alejandra; Gajardo, Marta; León Berríos, Rubén; Ahumada, Alexis; Cisternas, Carlos (Sociedad Médica de Santiago, 2009-04)
      Background: There is an association between periodontal diseases and preterm delivery. Aim: To assess the relationship between periodontal diseases, ascending bacterial infection and placental pathology with preterm delivery. ...
    • Hernández Ríos, Emma; Dutzan Muñoz, Nicolás; García Sesnich, Jocelyn; Abusleme Ramos, Loreto Andrea; Dezerega Piwonka, Andrea; Silva Steffens, Nora; González Bergas, Fermín; Vernal Astudillo, Rolando; Sorsa, T.; Gamonal Aravena, Jorge Antonio (Sage, 2011-10)
      Periodontitis is an infection characterized by the occurrence of supporting tissue destruction with an episodic nature. Disease progression is often determined by the loss of attachment level or alveolar bone, and sequential ...
    • Dutzan Muñoz, Nicolás; Rivas, Catalina; García Sesnich, Jocelyn; Henríquez, Leslie; Rivera Escobar, Oriana; Dezerega Piwonka, Andrea; Hernández Ríos, Emma; Silva Steffens, Nora; Aguillón Gutiérrez, Juan Carlos; Puente Piccardo, Javier; Vernal Astudillo, Rolando; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 2011-10)
      BACKGROUND: A growing body of evidence suggested that interleukin (IL)-21 enhances the effector phase during T-cell responses. The aim of our study is to determine the levels of IL-21 in periodontal sites from patients ...
    • Carré, L.; Franco Martínez, María Eugenia; Henríquez, L.; García Sesnich, Jocelyn; Dutzan Muñoz, Nicolás; Aguillón Gutiérrez, Juan Carlos; Gamonal Aravena, Jorge Antonio (Sociedad de Periodoncia de Chile., 2010-12)
      La enfermedad periodontal requiere de un hospedero susceptible para su desarrollo y progresión. Dentro de las características del hospedero se encuentra la respuesta T reguladora, que otorga tolerancia frente a antígenos ...
    • Gamonal Aravena, Jorge Antonio; López Villarroel, Néstor; Aranda Chacón, Waldo (FDI/World Dental Press, 1998-04)
      A CPITN survey involving Chileans aged 35-44 and 65-74 was conducted. A random, stratified sample by age, gender, socio-economic status and educational level was obtained, comprising 1150 individuals. Prevalence of chronic ...
    • López Villarroel, Néstor; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 1998-11)
      A randomized, double-blind, clinical study was done to assess the microbiological and clinical effects of metronidazole plus amoxicillin (M+A) as the only therapy in 46 patients with moderate to advanced progressive adult ...
    • Vernal Astudillo, Rolando; Chaparro, Alejandra; Dutzan Muñoz, Nicolás; Chandía Espinosa, Sabrita; Puente Piccardo, Javier; Silva, Augusto; Gamonal Aravena, Jorge Antonio (Escuela de Odontología. Facultad de Salud. Universidad del Valle, 2004)
      Propósito: La periodontitis es una enfermedad infecciosa que involucra una sobre-respuesta inmune del hospedero y se caracteriza por la destrucción de los tejidos de soporte del diente.Durante su desarrollo se establece ...
    • Bascones, Antonio; Gamonal Aravena, Jorge Antonio; Gómez Carranza, María Leyla; Silva, Augusto; González, Miguel Ángel (Quintessence Publishing, 2004-10)
      The aim of this study was to evaluate the relationship between the accumulation of interleukins IL-1beta, TNF-alpha, IL-8, and chemokine RANTES (Regulated upon Activation Normal T-cell Expressed and Secreted) in gingival ...
    • Espinoza Santander, Iris; Rojas, R.; Aranda Chacón, Waldo; Gamonal Aravena, Jorge Antonio (Blacwell Munksgaard, 2003-11)
      Background:  Oral prevalence studies are important to know the state of health and the needs of treatment. Our aim was to determine the prevalence of oral mucosal lesions and associated factors among aging Chileans. Methods:  ...
    • Gamonal Aravena, Jorge Antonio; Acevedo, A.; Bascones, A.; Jorge, O.; Silva, A. (American Academy of Periodontology, 2000-10)
      Background: Various cytokines have been identified at sites of chronic inflammation such as periodontitis. Cytokines are synthesized in response to bacteria and their products, inducing and maintaining an inflammatory ...
    • Hernández Ríos, Emma; Valenzuela, María Antonieta; López Otin, Carlos; Alvarez, Jesús; López, José Manuel; Vernal Astudillo, Rolando; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 2006-11)
      Background: Matrix metalloproteinases (MMPs) participate in extracellular matrix degradation in physiological and pathological conditions. The available evidence suggests that MMP-13 plays a significant role in both the ...
    • Vernal Astudillo, Rolando; Dutzan Muñoz, Nicolás; Hernández Ríos, Emma; Chandía Espinosa, Sabrita; Puente Piccardo, Javier; León Berríos, Rubén; García, Leyre; Valle, Ignacio del; Silva, Augusto; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 2006-10)
      Background: Chronic periodontitis is an infectious disease characterized by alveolar bone destruction and teeth loss. Receptor activator of nuclear factor-kappa B ligand (RANKL) is an osteoclastogenic cytokine, a central ...
    • Gamonal Aravena, Jorge Antonio; Bascones, A.; Acevedo, A.; Blanco, E.; Silva, A. (American Academy of Periodontology, 2001-04)
      Background: Apoptosis is an evolutionary form of physiological cell death. Previous studies suggest that apoptosis is involved in the pathogenesis of periodontal diseases. Therefore, we studied the apoptotic events in the ...
    • Urzúa Orellana, Blanca; Ortega Pinto, Ana; Morales Bozo, Irene; Rojas Alcayaga, Gonzalo; Cifuentes Guzmán, Víctor (Springer, 2011)
      Amelogenesis imperfecta is a group of genetic conditions that affect the structure and clinical appearance of tooth enamel. The types (hypoplastic, hypocalcified, and hypomature) are correlated with defects in different ...
    • Quevedo, Luis A.; Ruiz, Jessica V.; Quevedo, Cristóbal A. (W B SAUNDERS CO-ELSEVIER INC, 2011-03)
      Oral and maxillofacial surgeons who perform orthognathic surgery face major changes in their practices, and these challenges will increase in the near future, because the extraordinary advances in technology applied to our ...
    • Leppilahti, Jussi; Ahonen, M.-M.; Hernández Ríos, Emma; Munjal, S.; Netuschil, L.; Uitto, V.-J.; Sorsa, Timo; Mäntylä, Päivi (John Wiley, 2011)
      OBJECTIVE: To determine whether oral rinse matrix metalloproteinase (MMP)-8 levels, measured by three different methods, tissue inhibitor of matrix metalloprotease- 1 (TIMP-1) levels and elastase activity differentiat ...
    • López, Rodrigo; Dahlén, Gunnar; Retamales Soto, Gladys; Baelum, Vibeke (WILEY-BLACKWELL, 2011-04)
      It has become increasingly recognized that groups of microorganisms interact within the subgingival plaque of adult subjects with periodontitis. It is much less clear, however, whether the consortia of microorganisms ...