Browsing by Title Artículos de revistas

Now showing items 713-732 of 898

    • A randomized controlled trial to assess the efficacy and cost-effectiveness of urinary catheters with silver ... 
      Bonfill, Xavier; Rigau, David; Jáuregui Abrisqueta, María Luisa; Barrera Chacón, Juana María; Barrera, Sebastián Salvador de la; Alemán Sánchez, Carolina María; Bea Muñoz, Manuel; Moraleda Pérez, Susana; Borau Duran, Albert; Espinosa Quirós, Juan Ramón; Ledesma Romano, Luís; Fuertes, Manuel Esteban; Araya Cabello, Ignacio; Martínez Zapata, María José (BioMed Central, 2013-07-30)
      Background: Patients with non-acute spinal cord injury that carry indwelling urinary catheters have an increased risk of urinary tract infection (UTIs). Antiseptic Silver Alloy-Coated Silicone Urinary Catheters seems to ...
    • RANKL in human periapical granuloma: possible involvement in periapical bone destruction 
      Vernal Astudillo, Rolando; Dezerega Piwonka, Andrea; Dutzan Muñoz, Nicolás; Chaparro, Alejandra; León Berríos, Rubén; Chandía Espinosa, Sabrita; Silva, A.; Gamonal Aravena, Jorge Antonio (BLACKWELL, 2006-05)
      OBJECTIVES: The cytokine receptor activator of nuclear factor kappa B-ligand (RANKL) has been involved in both the physiological and pathological regulation of osteoclast life span and bone metabolism. Periapical granuloma ...
    • Recidiva de ameloblastoma en injerto óseo de cresta ilíaca 
      Palacios I., Verónica; Quevedo Rojas, Luis Alberto; Esguep Sarah, Alfredo; Espinoza Santander, Iris (Sociedad Odontológica de Chile, 1998)
      Se presenta el caso de un Ameloblastoma Mixto, en un paciente masculino de 39 años de edad, predominantemente plexiforme, que recidivó en tejido óseo autólogo de cresta ilíaca utilizado en el proceso de reconstrucción ...
    • Recomendaciones para el manejo de niños con fisuras labiales, maxilares y/o palatinas 
      Córdova Jara, Luis; Cortés Araya, Juan Eliecer; Bravo Ahumada, Rodrigo; Zamorano, Pía (FUDOC (Chile), 1999)
      Las fisuras labiales, maxilares y/o palatinas constituyen una malformación de frecuencia considerable en nuestro medio. Su manejo y tratamiento compete a todo el equipo de salud. Un momento crítico ocurre durante los ...
    • Reconstruction of Temporomandibular Joint With a Fibula Free Flap: A Case Report With a Histological Study 
      Fariña Sirandoni, Rodrigo; Campos, Pia; Beytia, Javiera; Martinez, Benjamín (WB Saunders, 2015)
      Reconstruction of the temporomandibular joint (TMJ) for congenital or acquired deformities is a major challenge for maxillofacial surgeons. The alternatives for reconstructing the TMJ include free grafts (costochondral, ...
    • Recovering Streptococcus mutans over restorations by the tray technique - A randomized clinical study 
      Vildósola Grez, Patricio; Palma Fluxá, Patricia; Zúñiga Saavedra, Paula; Fernández Godoy, Eduardo; Batista Oliveira, Osmir; Moncada Cortés, Gustavo (2013)
      Aim: To correlate the tray technique for isolation and counting of Streptococcus mutans over dental restoration with the toothpick technique. Methods: Forty 18-50-year-old patients of both genders with high cariogenic ...
    • Redox modifications in synaptic components as biomarkers of cognitive status, in brain aging and disease 
      Muñoz, Pablo; Ardiles, Álvaro O.; Pérez Espinosa, Boris; Núñez Espinosa, Cristian; Paula Lima, Andrea; González Billault, Christian; Espinosa Parrilla, Yolanda (Elsevier, 2020)
      Aging is a natural process that includes several changes that gradually make organisms degenerate and die. Harman's theory proposes that aging is a consequence of the progressive accumulation of oxidative modifications ...
    • Reduced expression of lipopolysaccharide-induced CXC chemokine in Porphyromonas gingivalis-induced experimental ... 
      Hernández Ríos, Emma; Gamonal Aravena, Jorge Antonio; Salo, T.; Tervahartiala, Taina; Hukkanen, M.; Tjäderhane, L.; Sorsa, Timo (John Wiley & Sons A/S, 2011-02)
      Background and Objective:  Matrix metalloproteinase-8 (MMP-8) is a central mediator in chronic periodontitis. Recently developed MMP-8-deficient mice show an impaired polymorphonuclear neutrophil response and more severe ...
    • Reducing Distortion of Implant- or Abutment-Level Impressions for Implant-Supported Prosthetic Rehabilitation: ... 
      Lanis, Alejandro; Padial Molina, Miguel; Selman, Andrea; Álvarez del Canto, Orlando (Quintessence Publishing, 2015)
      Passive fit between prosthesis and implants or abutments is a significant factor in preventing mechanical and biologic failures of implant-supported prostheses. Therefore, impression techniques must transfer the 3D implant ...
    • Regulatory T cell phenotype and anti osteoclastogenic function in experimental periodontitis 
      Álvarez, Carla; Suliman, Salwa; Almarhoumi, Rawan; Vega, María Elena; Rojas, Carolina; Monasterio, Gustavo; Galindo, Mario; Vernal Astudillo, Rolando; Kantarci, Alpdogan (Nature, 2020)
      The alveolar bone resorption is a distinctive feature of periodontitis progression and determinant for tooth loss. Regulatory T lymphocytes (Tregs) display immuno-suppressive mechanisms and tissue repairing functions, which ...
    • Regulatory T lymphocytes in periodontitis: A translational view 
      Alvarez, Carla; Rojas Rojas, Carolina Andrea; Rojas, Leticia; Cafferata, Emilio A.; Monasterio, Gustavo; Vernal Astudillo, Rolando (Hindawi Ltd, 2018)
      Periodontitis is a chronic immuno-inflammatory disease in which the disruption of the balance between host and microbiota interactions is key to the onset and progression of the disease. The immune homeostasis associated ...
    • Relación entre enfermedad periodontal, infección bacteriana ascendente y patología placentaria con parto prematuro 
      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. ...
    • Relación entre posición mandibular y postura cervical en pacientes con retrognatismo 
      Bravo Ahumada, Rodrigo; Córdova Jara, Luis; Cortés Araya, Juan Eliecer; Argandoña Pozo, Juan (Universidad de Chile, Facultad de Odontología, 1997-12)
      There has been a study on a group of 18 patients, carriers of a dentoskeletal dismorphosis class II, with the objective to determine a certain kind of relationship between retrognathism and a cervical posture. We used ...
    • Relationship between disk position and degenerative bone changes in temporomandibular joints of young ... 
      Moncada, G.; Cortés, D.; Millas, P.; Marholz, C. (Journal of Clinical Pediatric Dentistry, 2014)
      This study determines the frequency and relationship between disk position and degenerative bone changes in temporomandibular joints in children and adolescent patients with internal derangement. Study design: TMJ, MRI ...
    • Relationship between Nostril, Nasal Valve and Minimal Cross-Sectional Area in Functional Upper Airway 
      Fariña Sirandoni, Rodrigo; González Rocabado, Andrea; Toledo Pinto, Ximena; Villanueva, Rodrigo; Martínez, Benjamín; Pérez, Hernán (Lippincott Williams and Wilkins, 2019)
      PURPOSE: To propose a three-dimensional cephalometric analysis of upper airway (UA) related to its functionality, defining normal reference values in healthy individuals and the relationship between nostril, nasal valve, ...
    • The relationship between skull morphology, masticatory muscle force and cranial skeletal deformation during biting 
      Toro Ibacache, Viviana; Zapata Muñoz, Víctor; O’Higgins, Paul (Elsevier, 2016)
      The human skull is gracile when compared to many Middle Pleistocene hominins. It has been argued that it is less able to generate and withstand high masticatory forces, and that the morphology of the lower portion of the ...
    • Relationships among bone quality, implant osseointegration, and wnt signaling 
      Li, I.; Yin, X.; Huang, L.; Mouraret, S.; Brunski, J. B.; Córdova Jara, Luis; Salmon, B.; Helms, J. A. (SAGE Publications Inc, 2017)
      A variety of clinical classification schemes have been proposed as a means to identify sites in the oral cavity where implant osseointegration is likely to be successful. Most schemes are based on structural characteristics ...
    • Renin-angiotensin system on the aldosterone regulation in the rat 
      Xaus,; Marusic, Elisa (1976)
    • Repair bond strength of dental composites: systematic review and meta-analysis 
      Valente, Lisia; Sarkis Onofre, Rafael; Gonçalves, Ana; Fernández Godoy, Eduardo; Loomans, Bas; Moraes, Rafael (Elsevier Ltd, 2016)
      This study investigated by means of a systematic review of the literature and meta-analysis the impact of physical and/or chemical surface treatments on the repair bond strength of methacrylate-based dental composites. ...
    • Repeated metronidazole and amoxicillin treatment of periodontitis. A follow-up study 
      López, Néstor; Gamonal Aravena, Jorge Antonio; Martínez, Benjamín (American Academy of Periodontology, 2000)
      Background: The prevailing concept is that little or no clear benefit is derived from antibiotic therapy in chronic periodontitis. Studies to determine the effect of metronidazole plus amoxicillin (M+A) on adult periodontitis ...