Now showing items 141-160 of 898

    • Vernal Astudillo, Rolando; Velásquez, E.; Gamonal Aravena, Jorge Antonio (2007)
      Propósito. La osteoartritis temporomandibular es una enfermedad articular degenerativa, caracterizada por la destrucción del cartílago y hueso articular consecutiva a la respuesta inflamatoria e inmune desarrollada. En ...
    • Reyes Court, Daniel; Villanueva Maffei, Julio; Espinosa, Sebastián; Cornejo, Marco (2007)
      Odontogenic Calcificant Cystic Tumor (OCCT) is an infrequent injury. It arises from odontogenic epithelial rests present in the maxilla, jaw or gum. Gorlin and col. described the OCCT for first time as an own pathological ...
    • Villanueva Maffei, Julio; Espinosa, Sebastián; Reyes Court, Daniel; Cornejo Ovalle, Marco (Medicina Oral S.L., 2007)
      Odontogenic Calcificant Cystic Tumor (OCCT) is an infrequent injury. It arises from odontogenic epithelial rests present in the maxilla, jaw or gum. Gorlin and col. described the OCCT for first time as an own pathological ...
    • Salinas F., Olga; Corredoira Salum, Yamile; Rojas Alcayaga, Gonzalo (2007)
      We report a 33 year-old female presenting with a 2 cm Minor of the upper lip lasting one year. The tumor was excised and the pathological examination showed multiple blood vessels with thickened walls, prominent endothelial ...
    • León Berríos, Rubén; Silva Steffens, Nora; Ovalle Salas, Víctor; Chaparro, Alejandra; Ahumada, Alexis; Gajardo, Marta; Martínez, María José; Gamonal Aravena, Jorge Antonio (2007)
      Background: Epidemiologic and randomized controlled studies have shown that periodontal diseases may be associated with preterm labor and delivery of infants with low birth weights. The purpose of the present study was to ...
    • Ortega Pinto, Ana; Fariña, V.; Gallardo, A.; Espinoza Santander, Iris; Acosta, S. (2007)
      Aim To determine the frequency with which the histopathological diagnosis of periapical lesions contributes to a change in the clinical diagnosis. Methodology Cases having a clinical diagnosis of disease resulting from ...
    • Díaz Guerra, Eva; Vernal Astudillo, Rolando; Prete, M. Julieta del; Silva, Augusto; García Sanz, José A. (American Association of Immunologists, 2007)
      The precise mechanisms involved in the switch between the clonal expansion and contraction phases of a CD8 T cell response remain to be fully elucidated. One of the mechanisms implicated in the contraction phase is ...
    • 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 ...
    • Ochsenius Rondanelli, Germán; Escobar López, Enrico; Godoy Rojas, Luis; Peñafiel, Cristián (2007)
      Introducción. Los quistes odontogénicos constituyen un grupo de frecuentes lesiones intraóseas propias de los maxilares y una de las principales causas de destrucción de estos huesos. En Chile no existen estudios retrospectivos ...
    • Miralles Lozano, Rodolfo; Gallardo, Francisca; Baeza Paredes, Mauricio; Valenzuela, Saúl; Ravera, María José; Ormeño Ortiz, Guillermo; Cavada Chacón, Gabriel (2007)
      The purpose of this study was to determine the effect of canine guidance and group function on supra- and infrahyoid EMG activity in the lateral decubitus position at different jaw posture tasks. The sample included 40 ...
    • 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 ...
    • Ortega Pinto, Ana; Fariña Espinoza, Valeska Gissel; Espinoza Santander, Iris; Gallardo Neira, Andrés Alberto; Acosta Christian, Sergio Alejandro (Wiley, 2007-05)
      Aim  To determine the frequency with which the histopathological diagnosis of periapical lesions contributes to a change in the clinical diagnosis. Methodology  Cases having a clinical diagnosis of disease resulting ...
    • Reyes Court, Daniel; Villanueva Maffei, Julio; Espinosa S., Sebastián; Soto Norambuena, Reinaldo; Araya Cabello, Ignacio; Yanine Montaner, Nicolás (Sociedad Odontológica de Chile, 2007-08)
      La profilaxis entibiótica en cirugía y traumatología oral y máxilofacial está indicada siempre que exista un riesgo importante de infección. En este sentido adquiere especial interés la valoración de las condiciones sépticas ...
    • Smith, P. C.; Guerrero, J.; Tobar, N.; Cáceres, M.; González Burgos, María Julieta; Martínez Winkler, Jorge (Blackwell Munksgaard, 2007-12-11)
      Membrane type 1-matrix metalloproteinase (MT1- MMP) is a collagenolytic enzyme involved in connective tissue remodeling. In periodontal tissues, either cytokines or growth factors regulate the production of proteolytic ...
    • 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 ...
    • Nazzal N., Omar; Suárez P., Eugenio; Venegas, Marcia; Larraguibel P., Raúl; Rojas F., Luciano; Bronda M., Alessandro; Saavedra C., Miguel; Rojas U., Jessica (2008)
      Antecedentes: La infección persistente por VPH de alto riesgo se asocia con cáncer cervicouterino, encontrándose positividad en el 99,7% de los casos. Las verrugas anogenitales son una forma de presentación de la infección ...
    • Castillo C., José; Araya D, Fernando; Montecino R., Lorena; Torres M., Catalina; Oporto S., Sabrina; Bustamante F., Gonzalo; Aranda Ch., Waldo (2008)
      Sleep disorders, especially sleep breathing disorders, have not been well studied in the patients attending a family health center in Chile. Sleep breathing disorders have been linked to cardiovascular and cerebrovascular ...
    • Silva Steffens, Nora; Gajardo, M.; Quintero, A. (Sociedad de Periodoncia de Chile, Sociedad de Implantología Oral de Chile y Sociedad, 2008)
      Antecedentes y objetivos: Las periodontitis son un grupo de patologías que afectan los tejidos de soporte del diente. Diferentes especies de la microbiota subgingival se han asociado con los tipos de periodontitis. El ...
    • 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, ...
    • Silva Steffens, Nora; Dutzan Muñoz, Nicolás; Hernández Ríos, Emma; Dezerega Piwonka, Andrea; Rivera Escobar, Oriana; Aguillón Gutiérrez, Juan Carlos; Aravena, Octavio; Lastres, Pedro; Pozo, Patricia; Vernal Astudillo, Rolando; Gamonal Aravena, Jorge Antonio (Blackwell, 2008)
      Background and aims: Periodontitis is an infection with an episodic nature of tissue support destruction. The aim of this work was to determine the levels of chemokines, cytokines, matrix metalloproteinase-13, periodontal ...