Now showing items 225-244 of 898

    • Quiróz, Viviana; Reinero Núñez, Daniela; Hernández Ríos, Patricia; Contreras Balbontín, Johanna; Vernal Astudillo, Rolando; Carvajal, Paola (Universidade de São Paulo, 2017)
      The major infectious diseases in Chile encompass the periodontal diseases, with a combined prevalence that rises up to 90% of the population. Thus, the population-based surveillance of periodontal diseases plays a central ...
    • Alcota Rojas, Marcela; Ruiz de Gauna, P.; González Bergas, Fermín (2013)
      Background: The authors argue that dental curricula in Latin America are noted for providing highly technical and individualistic training that may fail to address society’s problems or instil in the dentist the idea ...
    • Retamal, Ignacio; Hernández, Romina; Velarde, Victoria; Oyarzún, Alejandro; Martínez, Constanza; González Burgos, María Julieta; Martínez Winkler, Jorge; Smith, Patricio C. (Wiley, 2020)
      Objectives Myofibroblasts constitute a specific cell phenotype involved in connective tissue healing. Diabetes alters the wound healing response. However, it is not clear whether diabetes modifies the involvement of ...
    • Baeza Paredes, Mauricio; Garrido Flores, Carlos; Hernández Ríos, Patricia; Dezerega Piwonka, Andrea; García Sesnich, Jocelyn; Strauss Avendaño, Franz; Aitken Saavedra, Juan; Lesaffre, Emmanuel; Vanbelle, Sophie; Gamonal Aravena, Jorge Antonio; Brignardello Petersen, Romina; Tervahartiala, Taina; Sorsa, Timo; Hernández Ríos, Marcela (Wiley, 2016)
      AimThe aim of this study was to assess the levels and diagnostic accuracy of a set of potential biomarkers of periodontal tissue metabolism in gingival crevicular fluid (GCF) from patients with chronic periodontitis (CP) ...
    • Vernal Astudillo, Rolando; León, Rubén; Silva, Augusto; Van Winkelhoff, Arie; García Sanz, José; Sanz, Mariano (2009)
      Aim: Capsular polysaccharides play an important role in the virulence of Grampositive and Gram-negative bacteria. In Porphyromonas gingivalis, six serotypes have been described based on capsular antigenicity and its ...
    • Alvarez Rivas, Carla; Benítez Cravero, Alvaro; Rojas, Leticia; Pujol, Myriam; Carvajal Pavez, Paola; Díaz Zúñiga, Jaime; Vernal Astudillo, Rolando (Univ Sao Paulo Fac Odontologia Bauru, 2015)
      In Aggregatibacter actinomycetemcomitans, different serotypes have been described based on LPS antigenicity. Recently, our research group has reported a differential immunogenicity when T lymphocytes were stimulated with ...
    • Díaz Zúñiga, Jaime; Melgar Rodríguez, Samanta; Monasterio, Gustavo; Pujol, Myriam; Rojas, Leticia; Alvarez, Carla; Carvajal, Paola; Vernal Astudillo, Rolando (Elsevier Ltd, 2017)
      Objective: In Aggregatibacter actinomycetemcomitans, different serotypes have been described based on lipopolysaccharide (LPS) antigenicity. When T lymphocytes were stimulated with these serotypes, different patterns of ...
    • Rojas, L.; Álvarez, C.; Melgar Rodríguez, Samanta Azucena; Pujol, M.; Monasterio, G.; García, K.; Díaz Zúñiga, J.; Fariña, V.; Hernández, M.; Vernal Astudillo, Rolando (2016)
    • Clavijo-Baquet, Sabrina; Boher, Francisca; Ziegler, Lucia; Martel, Sebastián; Estay, Sergio; Bozinovic, Francisco (Nature Publishing Groups, 2014)
      Temperature is a major factor affecting population abundance and individual performance. Net reproductive rate (R0) and intrinsic rate of increase (r) differ in their response to different temperature regimes, and much of ...
    • Smith, P. C.; Martínez, J. (INT AMER ASSOC DENTAL RESEARCHI A D R/A A D R, 2006-02)
      Transforming Growth Factor-beta 1 (TGF-beta 1) plays a key role in connective tissue remodeling and inflammation. Under pathological conditions, like periodontal disease, fibroblasts may display an altered response to this ...
    • Lee, Jung-Seok; Jeon, Yoon-Sun; Strauss Avendaño, Franz; Jung, Hoi-In; Gruber, Reinhard (Nature, 2020)
      This study aimed to compare the accuracy and reliability of digital versus conventional clinical measurements of the width of keratinized tissue. To this end, the keratinized tissue width was measured at 110 tooth sites ...
    • Espinoza Santander, Iris; Thomson, W. M.; Gamonal Aravena, Jorge Antonio; Arteaga Herrera, Óscar (Willey, 2013-06)
      Objective: Socioeconomic disparities in oral health among adults have been observed in many countries, but it is not clear whether they exist in aspects of Oral Health-Related Quality of Life in Chile. Methods: Data ...
    • Espinoza Santander, Iris; Thomson, W. Murray; Gamonal Aravena, Jorge Antonio; Arteaga Herrera, Óscar (2013)
      Objective: Socioeconomic disparities in oral health among adults have been observed in many countries, but it is not clear whether they exist in aspects of Oral Health-Related Quality of Life in Chile. Methods: Data ...
    • Lacruz, Rodrigo; Bromage, Timothy; O’Higgins, Paul; Toro Ibacache, María Viviana; Warshaw, Johanna; Berger, Lee (Nature, 2015)
      Studies of facial ontogeny in immature hominins have contributed significantly to understanding the evolution of human growth and development. The recently discovered hominin species Autralopithecus sediba is represented ...
    • Vernal Astudillo, Rolando; Diaz Guerra, Eva; Silva, Augusto; Sanz, Mariano; García Sanz, José A. (John Wiley & Sons, 2014)
      Aim: Porphyromonas gingivalis can synthesize an extracellular capsule and different serotypes have been described based on capsular antigenicity. On dendritic cells (DCs), the type of capsule present plays a role on the ...
    • Hernández Ríos, Patricia; Espinoza Santander, Iris; Salinas, Macarena; Rodríguez Castro, Fernando; Baeza, Mauricio; Hernández, Marcela (BMC, 2018-06-19)
      Background: Many gingival lesions are not induced by plaque. The aim of this study was to analyze the frequency of biopsied non-plaque-induced gingival lesions (NPIGL) in a Chilean population. Methods: One thousand ...
    • Aitken Saavedra, Juan; Lund, Rafael; González, Jaime; Huenchunao, Romina; Pérez Vallespir, Ilia; Morales Bozo, Irene; Urzúa Orellana, Blanca; Chaves Tarquinio, Sandra; Maturana Ramírez, Andrea; Martos, Josué; Fernández Ramires, Ricardo; Molina Berríos, Alfredo (Taylor and Francis Ltd, 2018)
      Objective: To determine number, species of Candida and Candida resistance to antifungal therapy according to the metabolic control state and the associated salivary changes in patients with type 2 diabetes mellitus ...
    • Nieminen, M.; Hernández, M.; Novak-Frazer, L.; Kuula, H.; Ramage, G.; Bowyer, P.; Warn, P.; Sorsa, T.; Rautemaa, R. (2014)
      Chronic biofilm infections are often accompanied by a chronic inflammatory response, leading to impaired healing and increased, irreversible damage to host tissues. Biofilm formation is a major virulence factor for Candida ...
    • Lefimil, Claudia; Lozano, Carla; Morales Bozo, Irene; Plaza, Anita; Maturana, Cristian; Urzúa Orellana, Blanca (2013)
      In the oral cavity, we can find a complex mixture of microorganisms, commensals, and pathogens. The studies of normal oral microbiota, as well as the studies of much oral pathology (e.g., caries, periodontitis), involve ...
    • Neumann, Ignacio; Alonso Coello, Pablo; Olav Vandvik, Per; Agoritsas, Thomas; Mas, Gemma; Akl, Elie; Brignardello Petersen, Romina; Emparanza, José; McCullagh, Lauren; De Sitio, Catherine; McGinn, Thomas; Almodaimegh, Hind; Almodaimegh, Khalid; Rivera, Solange; Roja, Luis; Stirnemann, Jérôme; Irani, Jihad; Hlais, Sani; Mustafa, Reem; Bdair, Fadi; Aly, Abdelrahman; Kristiansen, Annette; Izcovich, Ariel; Ramirez, Anggie; Brozek, Jan; Guyatt, Gordon H.; Sch€unemann, Holger (Elsevier USA, 2018)
      Objectives: Evidence-based clinical practice guidelines provide recommendations to assist clinicians in decision-making and to reduce the gap between best current research evidence and clinical practice. However, some ...