Results: 5035

Effects of experimental bleaching agents on the mineral content of sound and demineralized enamels

J. appl. oral sci; 26 (), 2018
Abstract High concentrations of hydrogen peroxide can cause adverse effects on composition and structure of teeth. However, the addition of calcium and fluoride in bleaching agents may reduce enamel demineralization. Objective: To evaluate chemical changes of sound and demineralized enamels submitted to...

High-concentration carbamide peroxide can reduce the sensitivity caused by in-office tooth bleaching: a single-blinded randomized controlled trial

J. appl. oral sci; 26 (), 2018
Abstract Objectives A single-blinded, randomized, parallel clinical trial evaluated the use of 37% carbamide peroxide (CP) on bleaching effectiveness and tooth sensitivity reported by patients undergoing in-office tooth bleaching, in comparison with the results of using 35% hydrogen peroxide. Material...

Daily melatonin administration improves osseointegration in pinealectomized rats

J. appl. oral sci; 26 (), 2018
Abstract The hypothesis of this study was that the peri-implant bone healing of the group of pinealectomized rats would differ from the control group. The samples were subjected to immunohistochemical, microtomographic (total porosity and connectivity density), and fluorochrome (mineralized surface) anal...

The role of potassium channels in the endothelial dysfunction induced by periodontitis

J. appl. oral sci; 26 (), 2018
Abstract Objective: Periodontitis is associated with endothelial dysfunction, which is clinically characterized by a reduction in endothelium-dependent relaxation. However, we have previously shown that impairment in endothelium-dependent relaxation is transient. Therefore, we evaluated which mediators ...

Caries lesion remineralization with fluoride toothpastes and chlorhexidine - effects of application timing and toothpaste surfactant

J. appl. oral sci; 26 (), 2018
Abstract Habitual toothbrushing with fluoridated toothpaste followed by rinsing with antibacterial mouthwashes is a method to maintain good oral hygiene and to diminish the occurrence and severity of dental caries and periodontal disease. However, our understanding of how antimicrobial agents in mouthwas...

Effects of combined training on total ghrelin and tumor necrosis factor-α in obese middle-aged men

Motriz (Online); 24 (2), 2018
Abstract AIMS The aim of the present study was to investigate the effects of combined training (CT) on total ghrelin and tumor necrosis factor-α (TNF-α) levels in obese middle-aged individuals. METHODS Twenty two obese middle-aged men (49.32 ± 5.74 years; Body mass index: 30.88 ± 1.64 kg/m...

Efecto agudo del consumo de yerba mate (Ilex paraguariensis) sobre el ritmo cardíaco en pacientes derivados para estudio Holter

Arch. cardiol. Méx; 88 (5), 2018
Resumen Introducción: El consumo de yerba mate (YM) (Ilex paraguariensis) es común en Sudamérica y se extiende a todo el mundo. Contiene muchas sustancias bioactivas que pueden ser beneficiosas. También existe la opinión de que puede tener efectos nocivos sobre el ritmo cardíaco, pero no encontra...

Hyaluronic acid accelerates bone repair in human dental sockets: a randomized triple-blind clinical trial

Abstract This study evaluated the effects of hyaluronic acid (HA) on bone repair of human dental sockets. Thirty-two lower first premolars were extracted from 16 patients (2 per patient) for orthodontic reasons. Following the extractions, one socket was randomly filled with 1% HA gel, while the other was...

Eficacia de medicamentos biológicos aprobados por ley 20850, para pacientes con artritis reumatoide refractaria a tratamiento

Rev. ANACEM (Impresa); 12 (2), 2018
INTRODUCCIÓN: La artritis reumatoide es una enfermedad crónica, sistémica, de origen autoinmune, caracterizada por compromiso articular simétrico. Dentro de su tratamiento destacan fármacos antirreumáticos, modificadores de la enfermedad, glucocorticoides y agentes biológicos. Estos últimos, han ...

Impact of levodopa treatment in the voice pattern of Parkinson's disease patients: a systematic review and meta-analysis

CoDAS; 30 (5), 2018
Abstract Purpose Investigate the association between levodopa therapy and vocal characteristics in Parkinson's disease patients. Search strategy Studies published at MEDLINE, LILACS, and SciELO, from 1960 to December 2016. A systematic review and meta-analysis was performed using the following keywor...