Journal of Applied Oral Science
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Differential expression of salivary glycoproteins in aggressive and chronic periodontitis.
The aim of this study was to compare the pattern of secretion and the expression of mucin glycoprotein-2 (MG2) and lactoferrin in individuals with or without periodontitis. Five individuals with aggressive periodontitis (APG), 5 with generalized chronic periodontitis...
Effectiveness of different carbamide peroxide concentrations used for tooth bleaching: an in vitro study.
This in vitro study evaluated the effectiveness of three carbamide peroxide concentrations used for tooth bleaching treatments. Sixty bovine dental slabs (6x6x3 mm) were obtained, sequentially polished, submitted to artificial staining (baseline) and randomized into f...
Influence of ferrule preparation with or without glass fiber post on fracture resistance of endodontically treated teeth.
Influence of time, toothpaste and saliva in the retention of Streptococcus mutans and Streptococcus sanguinis on different toothbrushes.
The intraoral transmission of cariogenic and periodontopathogenic species seems to be facilitated by contaminated toothbrushes and other oral hygiene devices. The aim of this investigation was to analyze the in vitro retention and survival rate of Streptococcus mutans and Streptococcus sanguinis on...
Caries-free subjects have high levels of urease and arginine deiminase activity.
This study investigated the relationship between urease and arginine deiminase system (ADS) activities and dental caries through a cross-sectional study. Urease and ADS activities were measured in saliva and plaque samples from 10 caries-free subjects and 13 caries-active. Urease activity was obtain...
Non-cross-linked collagen type I/III materials enhance cell proliferation: in vitro and in vivo evidence.
To analyze Mucograft®(MG), a recently introduced collagen matrix, in vitro and in vivo, and compare it with BioGide®(BG), a well-established collagen membrane, as control. A detailed analysis of the materials surface and ultra-structure was performed. Cellular growth patterns and proliferation rates...
Influence of light-exposure methods and depths of cavity on the microhardness of dual-cured core build-up resin composites.
The purpose of this study was to evaluate the Knoop hardness number (KHN) of dual-cured core build-up resin composites (DCBRCs) at 6 depths of cavity after 3 post-irradiation times by 4 light-exposure methods. Five specimens each of DCBRCs (Clearfil DC Core Plus [DCP] and Unifil Core EM [UCE]) were...
Comparison of static friction with self-ligating, modified slot design and conventional brackets.
To compare the static frictional forces generated at the bracket/wire interface of stainless steel brackets with different geometries and angulations, combined with orthodontic wires of different diameters. The frictional forces were evaluated with three different types of metal brackets: a passive...
Peel bond strength of resilient liner modified by the addition of antimicrobial agents to denture base acrylic resin.
In order to prolong the clinical longevity of resilient denture relining materials and reduce plaque accumulation, incorporation of antimicrobial agents into these materials has been proposed. However, this addition may affect their properties. This study evaluated the effect of the addition of anti...
Prevalence of enamel defects and associated risk factors in both dentitions in preterm and full term born children.
The aim of this study was to evaluate the prevalence of enamel defects and their risk factors on primary and permanent dentitions of prematurely born children and full-term born children born at Regional Hospital of Asa Sul, Brasília, DF, Brazil. Eighty 5-10-year-old children of both genders were ex...