Results: 3070

Monoterpene isolated from the essential oil of Trachyspermum ammi is cytotoxic to multidrug-resistant Pseudomonas aeruginosa and Staphylococcus aureus strains

Abstract INTRODUCTION: The aim of this study was to determine whether an herbal extract containing monoterpene exhibited activity against multidrug-resistant Staphylococcus aureus and Pseudomonas aeruginosa isolated from clinical infection samples. METHODS: The essential oil of Trachyspermum ammi (L....

Management of post-orthodontic white-spot-lesions: clinical handling of the resin infiltration technique (Icon®, DMG)

To treat initial caries lesions using the technique of resin infiltration for a restoration of natural enamel appearance. Case report of a 19 year old female who presented with moderate post-orthodontic white-spot lesions (WSLs) at the upper central and lateral incisors following two years of active trea...

Expresión génica del factor de crecimiento transformante beta en niños con fisura labio palatina no sindrómica

El objetivo fue determinar la expresión génica del factor de crecimiento transformante beta (TGF-ß) y posibles factores de riesgo en niños con y sin fisuras labio palatina no sindrómicas (FLPNS). Diseño de casos (Niños con fisuras orales; n= 20) y controles (niños no afectados; n= 40). A partir d...

Effectiveness of NaviTip FX on intracanal calcium hydroxide removal

Remnants of calcium hydroxide (Ca(OH)2) post-irrigation can compromise cleansing and permeability of dentinal walls in endodontic therapy. The aim of this study was to evaluate effectiveness of irrigation needle NaviTip FX on intracanal Calcium Hydroxide removal. Twenty-two single-rooted human teeth were...

A rare case of tick infestation of the eyelid: case report and literature review

Rev. bras. oftalmol; 75 (2), 2016
ABSTRACT This article presents a case of tick infestation of the lower eyelid by a previously unreported species. A 71-year-old male presented with a tick attached to the lower eyelid. The tick was identified morphologically, and then molecularly via polymerase chain reaction (PCR) and sequencing of its ...

Micromorfología superficial de 2 cerámicas grabables tratadas con diferentes ácidos

Para lograr una unión fuerte entre las restauraciones de cerámica sin metal y las resinas de cementación se indican acondicionamientos de superficie previos a la cementación. Nuestro objetivo es describir y comparar al MEB las superficies de cerámicas feldespáticas y reforzadas con disilicato de li...

Effect of cantilever length and alloy framework on the stress distribution in peri-implant area of cantilevered implant-supported fixed partial dentures

J. appl. oral sci; 24 (2), 2016
ABSTRACT Because many mechanical variables are present in the oral cavity, the proper load transfer between the prosthesis and the bone is important for treatment planning and for the longevity of the implant-supported fixed partial denture. Objectives To verify the stress generated on the peri-implant...

Antioxidant effect of Legalon(r) SIL in ischemia-reperfusion injury of rat skeletal muscle

Acta cir. bras; 31 (4), 2016
PURPOSE: To evaluated the potential antioxidant agent Legalon (r) SIL (silibinin-C-2',3-bis(hydrogensuccinat)) in the skeletal muscle of rats. METHODS: IRI was achieved via tourniquet application in Wistar-albino rats. Experimental groups were chosen as (i) sham control, (ii) IRI (3+2 h), (iii) IRI a...

The effects of aqueous extract of babassu (Orbignya phalerata) on the pleura and lung parenchyma in rats

Acta cir. bras; 31 (4), 2016
PURPOSE: To evaluate macro and microscopically, changes following the use of the aqueous extract of babassu (Orbignya phalerata) in the lung parenchyma and pleura of rats. METHODS: Sixty adult male rats with average weight of 350 g, were randomized into two groups of 30 animals (experimental and control...

A review of experimental models in colorectal carcinogenesis

Colorectal cancer is the leading cause of malignancy of the gastrointestinal tract. A better understanding of the molecular and cellular changes that lead to the disease is necessary to develop early diagnosis and optimal treatment modalities. Rodent models are rapid, reproducible and exhibit an adenoma-...