Results: 88

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...

The use of a biocompatible cement in endodontic surgery. A randomized clinical trial 1

Acta cir. bras; 31 (6), 2016
ABSTRACT PURPOSE: To evaluate the clinical applicability of Pozzolana Biologic Silva cement (PBS(r)) in endodontic surgery. METHODS: Persistent apical periodontitis was diagnosed in 30 teeth of 12 patients by cone-beam computed tomography (CT). All patients had 2 or 4 affected teeth and underwent end...

Análise comparativa dos cimentos MTA cinza e branco associados ao álcool isopropílico

O objetivo deste estudo ex vivo foi investigar e comparar os efeitos antibacterianos, a citotoxicidade, a adaptação marginal e a capacidade seladora do agregado trióxido mineral (MTA), branco e cinza (Angelus, Londrina, Brasil), quando combinados com água destilada ou álcool isopropílico. Os efeito...

Does MTA affect fiber post retention in repaired cervical root canal perforations?

Braz. oral res. (Online); 30 (1), 2016
Abstract This study evaluated the effect of mineral trioxide aggregate (MTA) on the retention of fiber posts in repaired root canal perforations. Ten-millimeter post spaces were prepared in 60 endodontically treated bovine incisors. Root perforations were created in half of the root canals in the cervica...

Effect of irrigation technique for removal of triple antibiotic paste on bond strength of MTA to root dentin

Braz. oral res. (Online); 30 (1), 2016
Abstract This study evaluated the bond strength of mineral trioxide aggregate (MTA) to root canal dentin after the performance of various irrigation procedures to remove triple antibiotic paste (TAP). A total of 56 single-rooted human mandibular premolars were instrumented using a rotary system to size 4...

Cytotoxic effects of new MTA-based cement formulations on fibroblast-like MDPL-20 cells

Braz. oral res. (Online); 30 (1), 2016
Abstract The present study aimed at evaluating the cytotoxic effects of a novel cement called CER on periodontal fibroblast-like cells of mice (MDPL-20), in comparison with different formulations of Mineral Trioxide Aggregate (MTA), by means of the cell viability test (MTT) and cell morphology analysis. ...

Push-out bond strength of MTA HP, a new high-plasticity calcium silicate-based cement

Braz. oral res. (Online); 30 (1), 2016
Abstract This study was designed to investigate the resistance to dislodgment provided by MTA HP, a new high-plasticity calcium silicate-based cement. Biodentine and White MTA Angelus were used as reference materials for comparison. Three discs 1 ± 0.1 mm thick were obtained from the middle third of the...

Dissolution of a mineral trioxide aggregate sealer in endodontic solvents compared to conventional sealers

Braz. oral res. (Online); 30 (1), 2016
Abstract The aim of this study is to evaluate the solubility of a Mineral Trioxide Aggregate sealer (MTA-Fillapex) compared with five other sealers, calcium hydroxide (Sealapex), resin (Realseal), zinc oxide-eugenol (Tubli-Seal), and two epoxy resins (AH-26 and AH-Plus), in chloroform and eucalyptoil in ...

Influence of diabetes mellitus on the mineralization ability of two endodontic materials

Braz. oral res. (Online); 30 (1), 2016
Abstract The aim of this study was to evaluate the influence of diabetes mellituson tissue response and mineralization ability of Sealapex®and MTA Fillapex® sealers. Twenty-four Wistar rats were divided into two groups: diabetic and non-diabetic. The materials were placed in polyethylene tubes and impl...

Cytotoxicity and genotoxicity of calcium silicate-based cements on an osteoblast lineage

Braz. oral res. (Online); 30 (1), 2016
Abstract Several calcium silicate-based biomaterials have been developed in recent years, in addition to Mineral Trioxide Aggregate (MTA). The aim of this study was to evaluate the cytotoxicity, genotoxicity and apoptosis/necrosis in human osteoblast cells (SAOS-2) of pure calcium silicate-based cements ...