Now showing items 881-898 of 898

    • Morales Bozo, Irene; Landaeta, Mirtha; Urzúa Orellana, Blanca; Retamales Molina, Patricio (MOSBY-ELSEVIER, 2008-09)
      Objective: The study was aimed to investigate whether the occurrence of matrix metalloproteinases (MMP) 2 and 9 in parotid saliva of juvenile recurrent parotitis (JRP) patients is associated with the degree of glandular ...
    • Rojas Alcayaga, Gonzalo; González Gómez, Néstor; Venables Gálvez, Cristián; Araos H., Daniel (SOC MEDICA SANTIAGO, 2008-12)
      Graft versus Host Disease (GVHD) is a common complication in allogenic bone marrow transplants and in some cases, it involves the oral mucosa. Therefore, the appropriate diagnosis and timely treatment is essential to ...
    • Díaz Dosque, Mario; Aranda, Pilar; Darder, Margarita; Retuert de la Torre, Pedro Jaime; Yazdani-Pedram Zobeiri, Mehrdad; Arias, José Luis; Ruiz Hitzky, Eduardo (ELSEVIER, 2008-12-01)
      This work concerns the use of different biopolymers such as chitosan, alginate or K-carrageenan as substrates to contribute to the study of the crystallization of calcium carbonate. The experimental biomimetic approach ...
    • Cáceres, Mónica; Hidalgo Acosta, Rodrigo; Sanz, Antonio; Martínez, Jorge; Riera, Paula; Smith, Patricio C. (AMER ACAD PERIODONTOLOGY, 2008-04)
      Background: Platelet-rich plasma is a blood-derived fraction that contains a high concentration of platelets and growth factors. It was proposed that the use of this platelet concentrate stimulates tissue repair. However, ...
    • Belmar, María José; Pabst, Carolina; Martínez, Benjamín; Hernández Ríos, Emma (MOSBY-ELSEVIER, 2008-06)
      Objective. Many matrix metalloproteinases ( MMPs) have been associated with periodontal tissue destruction during chronic and apical periodontitis. The aim of this study was to determine gelatinolytic activity in gingival ...
    • 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 ...
    • Valenzuela, S.; Baeza Paredes, Mauricio; Miralles, R.; Cavada Chacón, Gabriel; Zúñiga, C.; Santander, H. (E H ANGLE EDUCATION RESEARCH FOUNDATION, 2006-07)
      The objective of this study was to determine the effects of canine guidance and group function on supra- and infrahyoid electromyographic (EMG) activity. The sample included 40 healthy subjects, 20 with bilateral canine ...
    • 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 ...
    • Urzúa Orellana, Blanca; Ortega Pinto, Ana; Rodríguez M., Luis; Morales Bozo, Irene (Sociedad Médica de Santiago, 2005-11)
      Amelogenesis Imperfecta (AI) is a group of conditions where there is an abnormal formation of enamel in terms of quantity, structure and composition. AI is clinically and genetically heterogeneous, there are sex linked ...
    • López Villarroel, Néstor; Socransky, Sigmund S.; Da Silva, Isabel; Japlit, Michele R.; Haffajee, Anne D. (BLACKWELL, 2006-09)
      Aim: To determine the effect of metronidazole plus amoxicillin (M+A) as the sole therapy, on the subgingival microbiota of chronic periodontitis. Material and Methods: Twenty-two patients with untreated chronic periodontitis ...
    • Armijo Olivo, S.; Jara, X.; Castillo, N.; Alfonso, L.; Schilling, A.; Valenzuela, E.; Frugone Zambra, Raúl; Magee, D. (BLACKWELL PUBLISHING, 2006-03)
      Head and cervical posture evaluation has been a concern for many years, not only because of the purported relationship that exists between head and cervical posture in the presence of temporomandibular disorders, neck pain ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Vernal Astudillo, Rolando; Dutzan Muñoz, Nicolás; Chaparro, Alejandra; Puente Piccardo, Javier; Valenzuela, María Antonieta; Gamonal Aravena, Jorge Antonio (BLACKWELL MUNKSGAARD, 2005-04)
      Background and Aims: Interleukin-17 (IL-17) is a T-cell-derived cytokine that may play an important role in the initiation or maintenance of the pro-inflammatory response and has recently been found to stimulate osteoclastic ...