Results: 3070

Antibacterial efficacy of synthetic and natural-derived novel endodontic irrigant solutions

Braz. dent. j; 29 (5), 2018
Abstract The aim of this study was to compare the efficacy of grape seed extract (GSE), calcium hypochlorite [Ca(ClO)2], and sodium hypochlorite (NaOCl) irrigant solutions with rotary or reciprocating instrumentation for disinfection of root canals inoculated with Enterococcus faecalis. The mesiobuccal r...

Effect of post-space irrigation with naocl and caocl at different concentrations on the bond strength of posts cemented with a self-adhesive resin cement

Braz. dent. j; 29 (5), 2018
Abstract The aim of this study was to evaluate the effect of post-space irrigation with NaOCl and CaOCl at different concentrations on the bond strength of posts cemented with a self-adhesive resin cement. Eighty premolars were sectioned 14 mm from the apex, and endodontically treated. The root canal fil...

Adhesion to a lithium disilicate glass ceramic etched with hydrofluoric acid at distinct concentrations

Braz. dent. j; 29 (5), 2018
Abstract This study evaluated the effect of different hydrofluoric acid (HF) concentrations on the bond strength between a lithium disilicate-based glass ceramic and a resin cement. Eighty ceramic-blocks (12×7×2 mm) of IPS e.Max CAD (Ivoclar Vivadent) were produced and randomly assigned to 8 groups, co...

Influence of fluoridated groundwater and 1, 100 ppm fluoride dentifrice on biomarkers of exposure to fluoride

Braz. dent. j; 29 (5), 2018
Abstract This research aimed to determine the influence of fluoridated groundwater and 1,100 ppm fluoride dentifrice on biomarkers of exposure to fluoride in preschoolers. A cross-sectional study was performed on thirty preschoolers recruited from naturally fluoridated and non-fluoridated areas (n=15). T...

Ytterbium oxide as radiopacifier of calcium silicate-based cements. physicochemical and biological properties

Braz. dent. j; 29 (5), 2018
Abstract This study evaluated physicochemical properties, cytotoxicity and bioactivity of MTA Angelus (MTA), calcium silicate-based cement (CSC) and CSC with 30% Ytterbium oxide (CSC/Yb2O3). Setting time was evaluated using Gilmore needles. Compressive strength was evaluated in a mechanical machine. Radi...

Efecto de la oxitocina en los niveles de malondialdehído, óxido nítrico y proteína s100b en el recién nacido

RESUMEN Objetivos. Evaluar los efectos de la administración de oxitocina en la conducción del parto en los niveles de malondialdehído (MDA), óxido nítrico (ON) y proteína S100B en el recién nacido. Material y Métodos. Se seleccionó a 80 gestantes a término sin patología obstétrica y fetal, fo...

Composition, biological activity and toxicity of bee pollen: state of the art

A research was conducted in scientific databases using keywords related to the composition, biological activity and toxicity of bee pollen from 2007 to July 2017. It was verified that this product is rich in carbohydrates, proteins and lipids, as well as various minerals and phenolic compounds. Its funct...

Antineoplastic potential of the Vitex species: an overview

Irrespective of progressive treatments, cancer remains to have the utmost rate of treatment failure due to numerous reasons associated. In recent years, the use of traditional medicine in cancer research has established considerable interest. Natural products represent an amazing source for cancer therap...

Effects of Leucaena leucocephala (lamk. ) shoot tips plus young leaf extract containing mimosine on reproductive system of male rats

Int. j. morphol; 36 (3), 2018
This study aimed to determine the mimosine level and examine the male reproductive toxicity effects of Leucaena leucocephala (LL) shoot tips plus young leaf extract. Mimosine level in LL extract was determined by thin layer chromatography before administration in animals. Male rats were divided into cont...

Catha edulis forsk mediates embryotoxic effects in rats: an experimental study

Int. j. morphol; 36 (3), 2018
Catha edulis Forsk leaves (Khat) is a flowering plant. A high proportion of the adult population in the Arabian Peninsula and the Horn of Africa chews it for its mild stimulant effect. The aim of the current study was to investigate the embryotoxic and teratogenic effects of the Khat extract using 60 fem...