Results: 3275

Evaluation of the genotoxicity and mutagenicity of Ca3SiO5-based cement

Braz. oral res. (Online); 30 (1), 2016
Abstract Ca3SiO5 is new cement based on the composition of Portland that has been developed to have superior physicochemical and biological properties. In a clinical evaluation, the cement did not appear to have cytotoxic properties and allowed for the proliferation of pulp cells and gingival fibroblasts...

Training and calibration of interviewers for oral health literacy using the BREALD-30 in epidemiological studies

Braz. oral res. (Online); 30 (1), 2016
Abstract The objective of this study was to describe an interviewer training and calibration method to evaluate oral health literacy using the Brazilian Rapid Estimate of Adult Literacy in Dentistry (BREALD-30) in epidemiological studies. An experienced researcher (gold standard) conducted all training s...

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 ...

Effects of alpha-tocopherol on fracture resistance after endodontic treatment, bleaching and restoration

Braz. oral res. (Online); 30 (1), 2016
Abstract This study evaluated the effects of 10% alphatocopherol on the fracture resistance of endodontically treated teeth subjected to tooth bleaching with hydrogen peroxide and immediately restored with composite resin. Fifty bovine incisors were selected, including 10 sound teeth that constituted the...

Effective method for the detection of piroxicam in human plasma using HPLC

Braz. oral res. (Online); 30 (1), 2016
Abstract Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used by the general population to alleviate inflammation and pain after oral surgeries. Piroxicam is among the most commonly used NSAIDs and excels in controlling pain, swelling, trismus and other common symptoms of inflammation. This stu...

Effect of Resveratrol on periodontal pathogens during experimental periodontitis in rats

Braz. oral res. (Online); 30 (1), 2016
Abstract The objective of this study was to investigate the antibacterial effect of resveratrol against putative periodontal pathogens during the progression of experimental periodontitis in rats. Periodontitis was induced in rats in one of the first molars chosen to receive a ligature. Animals were assi...

Effect of the time-point of acid etching on the persistence of sealer residues after using different dental cleaning protocols

Braz. oral res. (Online); 30 (1), 2016
Abstract: Endodontic sealer residues remaining within the pulp chamber dentin after root canal obturation and cleaning with various solvents may compromise the appearance and the durability of dental restorations. Acid etching is routinely performed prior to application of dentine adhesive systems, but i...

Immunohistochemical expression of TGF-β1 and osteonectin in engineered and Ca(OH)2-repaired human pulp tissues

Braz. oral res. (Online); 30 (1), 2016
Abstract The aim of the present study was to evaluate the expression of transforming growth factor-β1 (TGF-β1) and osteonectin (ON) in pulp-like tissues developed by tissue engineering and to compare it with the expression of these proteins in pulps treated with Ca(OH)2 therapy. Tooth slices we...

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 ...

Root filling bond strength using reciprocating file-matched single-cones with different sealers

Braz. oral res. (Online); 30 (1), 2016
Abstract The aim of the present study was to evaluate the bond strength (BS) of root canal fillings to root dentin using the reciprocating file-matched single-cone or lateral compaction techniques with resin-based and calcium-silicate-based sealers. Maxillary canine roots were prepared and filled using o...