Sistema Regional de Información
en línea para Revistas Científicas de América Latina,
el Caribe, España y Portugal

There isn’t currently any alginate for dental impressions which avoids the adherence of microorganisms. Thus the aim of this study was to synthesize silver nanoparticles, evaluate their cytotoxicity and add those nanoparticles to the formulation of a commercial alginate so that it gets specific antifungal characteristics against Candida albicans. Its use is then suggested to prevent cross-contamination.

Introduction: the breast cancer is well known since ancient times; it is the most frequent malignant disease reported in women and it is the first cause of death that has become in a pandemia which threatens to be spread even more if it we do not found the way for a proper prevention that could be applied in the vulnerable population.Objective:  it was performed a descriptive observational and transverse type study,  with the aim to characterize the behavior  of the Breast Cancer in  feminine patients of Granma, in the period between January, 1992  to November, 2011.Method: the universe of the investigation was made by 1515 patients that came to the multidisciplinary breast consultation and the sample was constituted by 1110 patients that were remitted to the Imaging department for the mammography.Results:  the results were expressed through charts in absolute and relative frequencies. The greatest amount of cases was in the group of ages of 51- 60 years. The location of the injury in the right breast and the external upper quadrant prevailed. The nodular injures and the distortions of the mammary pattern were the most frequent monographic findings, prevailing the Infiltrate Duct Carcinoma by histology.Conclusions: the prevailing group of ages was between 51 to 60 years old; the most frequent location of the lesions were in the right breast and in the superior external quadrant, the mammographic findings that prevailed were the nodular lesions and the distortion of the mammary pattern, the prevailing histological type was the Infiltrating Duct Carcinoma.

Introduction: the Sjögren syndrome is an autoimmune disease; this means that the immune system attacks its own cells. The immune system attacks the glands that produce secretions and humidity causing dryness in the mouth and in the eyes, other parts of the body can be affected causing a variety of possible symptoms.Case presentation: it was presented a 12 year- old- masculine patient, of rural origin (Jiguaní), white race, with 4 month antecedents before the hospitalization with a volume increase in the right pre auricular region, with eye dryness symptoms and little saliva, who was hospitalized on April 12, 2010, to be surgically treated on April 13, and a 22 feminine patient of rural origin with repeated antecedents of parotitis, keratoconjunctivitis, dry mouth and occasional articular pains, with a facial paralysis; remaining like a sequel the paralysis of the inferior facial branch. Both patients presented a Primary and Secondary Syndrome of Sjögren.Discussion: recently it has been recognized an entity, similar to the SS: the syndrome of infiltrating diffuse Lymphocytosis (SIDL), but is affects preferably to masculine patients infected with the HIV, the lymphocytes participants are of type CD8, instead of CD4 as it occurs in the SS.Conclusions: both patients were surgically treated and they keep their treatments with the Otolaryngology, Ophthalmology and Rheumatology services. According to the symptoms of the patients and the physical examination, the child was considered a Primary Sjogren Syndrome (PSS) and to the youngster was considered a Secondary Sjogren Syndrome (SSS).