Results: 952

In vitro and in vivo evaluations of glass-ionomer cement containing chlorhexidine for Atraumatic Restorative Treatment

J. appl. oral sci; 25 (5), 2017
Abstract Objectives: Addition of chlorhexidine has enhanced the antimicrobial effect of glass ionomer cement (GIC) indicated to Atraumatic Restorative Treatment (ART); however, the impact of this mixture on the properties of these materials and on the longevity of restorations must be investigated. The ...

Impact of Material Shade and Distance from Light Curing Unit Tip on the Depth of Polymerization of Composites

Braz. dent. j; 28 (5), 2017
Abstract This study aimed to evaluate the effect of the composite shade and distance from the light-curing unit (LCU) tip on the irradiance reaching the bottom of composite disks and on the depth of polymerization. Composites of three shades (opaque - OXDC, bleach - BXL, and A2) were inserted into molds ...

New perspectives on the nutritional factors influencing growth rate of Candida albicans in diabetics. An in vitro study

Mem. Inst. Oswaldo Cruz; 112 (9), 2017
BACKGROUND The link between Candida albicans and diabetes mellitus is well-acknowledged, but incompletely elucidated. OBJECTIVES The purpose of this study is to assess the growth rate of C. albicans (CA) in the presence of different concentrations of glucose and fructose, two of the main pathophysiolo...

Acción Inmediata de los Enjuagues Orales en la Saliva

RESUMEN: Numerosos estudios confirman la efectividad de los enjuagatorios orales sobre la viabilidad de los microorganismos que producen gingivitis y halitosis, pero poco se conoce sobre la influencia de los mismos en el medio ambiente oral. El objetivo del siguiente trabajo fue analizar In vivo e In vit...

Degradación de la Fuerza de los Elásticos Intermaxilares de Látex y no Látex

RESUMEN: El propósito del presente estudio fue comparar la degradación de la fuerza entre los elásticos de látex y no látex de 3/16" y 6 oz. La muestra consistió en 30 elásticos por grupo e intervalo de tiempo haciendo un total de 180 elásticos de látex y 180 de no látex. Se midió la fuerza in...

Penetración Dentinaria in vitro del Hipoclorito de Sodio a Diferentes Concentraciones con las Técnicas de Irrigación Convencional y Ultrasónica Pasiva

RESUMEN: El objetivo del presente trabajo fue comparar la penetración dentinaria in vitro entre las concentraciones de hipoclorito de sodio (NaClO) al 5 % y al 2,5 % con técnicas de irrigación convencional e irrigación ultrasónica pasiva. Este fue un estudio transversal, prospectivo y experimental. ...

Cytotoxicity of three light-cured resin cements on 3T3 fibroblasts

Introduction: Light-cured resin cements are the first choice for the cementation of laminate veneers. Ideally, they should be biocompatible and offer minimum risks to patients. Objective: The aim of this study was to evaluate, in vitro, the cytotoxicity of three resin cements: Variolink II, Ivoclar Viva...

Análise de dois métodos de desinfecção de condutos radiculares após preparo para pinos: proposta de protocolo protético: estudo in vitro

Introdução: Quando existe perda de suporte coronário e ainda desgaste adicional devido a tratamento endodôntico, muitas vezes, é necessária a utilização de um retentor intrarradicular que devolva a retenção para a restauração, reestabelecendo estética e função às estruturas dentárias per...

Debonding forces of different pads in a lingual bracket system

ABSTRACT Objective: To evaluate the shear bond strength of lingual orthodontic brackets with resin or metal pads, the location of bond failure and the adhesive remnant index (ARI). Methods: A total of 40 extracted upper premolars were randomly divided into two groups of 20 each: bonding with brackets ...

Effect of CPP-ACP paste with and without CO2 laser irradiation on demineralized enamel microhardness and bracket shear bond strength

ABSTRACT Introduction: Many patients seeking orthodontic treatment already have incipient enamel lesions and should be placed under preventive treatments. The aim of this in vitro study was to evaluate the effect of CPP-ACP paste and CO2 laser irradiation on demineralized enamel microhardness and shear...