Results: 3070

Antimicrobial activity of chitosan coatings and films against Listeria monocytogenes on black radish

Rev. argent. microbiol; 48 (2), 2016
The antibacterial activity of chitosan coatings prepared with acetic or lactic acid, as well as of composite chitosan-gelatin films prepared with essential oils, was evaluated in fresh shredded black radish samples inoculated with Listeria monocytogenes ATCC 19115 and L. monocytogenes ATCC 19112 during s...

Evaluation of the remineralization capacity of CPP-ACP containing fluoride varnish by different quantitative methods

J. appl. oral sci; 24 (3), 2016
ABSTRACT Objective The aim of this study was to evaluate the efficacy of CPP-ACP containing fluoride varnish for remineralizing white spot lesions (WSLs) with four different quantitative methods. Material and Methods Four windows (3x3 mm) were created on the enamel surfaces of bovine incisor teeth. A...

Effect of green tea extract on bonding durability of an etch-and-rinse adhesive system to caries-affected dentin

J. appl. oral sci; 24 (3), 2016
ABSTRACT Objective Green tea extract has been advocated as a matrix metalloproteinase (MMP) inhibitor; however, its effect on bond durability to caries-affected dentin has never been reported. Thus, the aim of this in vitro study was to evaluate the effect of two MMP inhibitors (2% chlorhexidine and 2%...

Tissue dissolution and modifications in dentin composition by different sodium hypochlorite concentrations

J. appl. oral sci; 24 (3), 2016
ABSTRACT Sodium hypochlorite (NaOCl) remains the most used irrigation solution during root canal preparation because of characteristics such as wide-spectrum antimicrobial activity and organic tissue dissolution capacity. However, these solutions can alter dentin composition and there is no consensus on ...

Effect of addition of nano-hydroxyapatite on physico-chemical and antibiofilm properties of calcium silicate cements

J. appl. oral sci; 24 (3), 2016
ABSTRACT Objective Mineral Trioxide Aggregate (MTA) is a calcium silicate cement composed of Portland cement (PC) and bismuth oxide. Hydroxyapatite has been incorporated to enhance mechanical and biological properties of dental materials. This study evaluated physicochemical and mechanical properties a...

Effects of budlein A on human neutrophils and lymphocytes

J. appl. oral sci; 24 (3), 2016
ABSTRACT Sesquiterpene lactones (SLs) are the active constituents of a variety of medicinal plants used in traditional medicine for the treatment of inflammatory diseases and other ailments. Objective In this study, we evaluated whether budlein A modulates the activation of innate and adaptive immune c...

TNF-alpha expression, evaluation of collagen, and TUNEL of Matricaria recutita L. extract and triamcinolone on oral ulcer in diabetic rats

J. appl. oral sci; 24 (3), 2016
ABSTRACT Diabetes mellitus (DM) is a disease associated with delayed wound healing of oral ulcers by increased expression of proinflammatory cytokines and cellular apoptosis. Objective to evaluate the influence of Tumor Necrosis Factor alpha (TNF-α) and apoptosis in rats with DM treated with chamo...

Endophytic fungi from tropical ethnoveterinary plants and their antibacterial efficacy against Pasteurella multocida Capsular Type A strain

Rev. biol. trop; 64 (2), 2016
AbstractPasteurella multocida is an important veterinary pathogen causing infections in animals and birds. Nowadays, different reports have described the severity of infections, increasing resistance of micro-organisms to antibiotics, and the contribution of ethnoveterinary practices towards the treatmen...

Patrones espaciales en comunidades de macroinvertebrados acuáticos de la Puna Argentina

Rev. biol. trop; 64 (2), 2016
ResumenLos macroinvertebrados son un componente vital en los ecosistemas acuáticos, procesan materia orgánica y sirven de alimento para otros organismos como los peces o anfibios. En los sistemas altoandinos, y más específicamente en las vegas o bofedales de Argentina, el conocimiento de la diversida...

The inhibitory effect of a non-yessotoxin-producing dinoflagellate, Lingulodinium polyedrum (Stein) Dodge, towards Vibrio vulnificus and Staphylococcus aureus

Rev. biol. trop; 64 (2), 2016
ResumenEl aumento de la resistencia bacteriana a los antibióticos ha causado preocupación a nivel mundial, por lo que se ha promovido la búsqueda de nuevos compuestos. Debido a su abundancia y diversidad, el fitoplancton marino constituye una importante fuente potencial de tales compuestos. La investi...