Suggested Topics within your search.
Suggested Topics within your search.
-
401
Effect of Bleaching on Color Change and Surface Topography of Composite Restorations
Published 2010-01-01“…Methods. 30 samples were fabricated for evaluation of color change using CIELAB color system and Gonioreflectometer (GK 311/M, ZEISS). 45 disc-shaped specimens were made for evaluation of surface topography after bleaching (Nupro White Gold; Dentsply) using SEM. Statistical analysis. One way ANOVA and Multiple comparison tests were used to analyze the data. …”
Get full text
Article -
402
On a snow cover composition in the vicinity of the Verkhnekamsky Salt Deposit
Published 2015-03-01“…With regard for specific character of pollutants in the emissions, studies of melt water included determination of the following chemical components – SO42-, Cl-, NO3-, NO2-, НCO3-, Ca2+, Mg2+, Na+, K+, of the pH value as well as suspended solid substances, and total mineralization. An analysis of snow composition was performed on two sites from which one was the surrounding background territory, while another area was the urban territory of city Berezniki, i.e. area of operating mine group. …”
Get full text
Article -
403
Study of biochar in cementitious materials for developing green concrete composites
Published 2025-07-01“…Moreover, the optimum sample has shown lowest water absorption among all other samples which indicated reduced porosity in the concrete with biochar introduction. X-ray diffraction analysis confirmed the more production of calcium-silicate-hydrate hydration products for the optimum biochar-augmented concrete composites which resulted in high strength concrete formation. …”
Get full text
Article -
404
Composition of the aquatic birdlife of Saco da Fazenda, Itajaí-SC
Published 2011-01-01“…From July 2006 to April 2007 we did biweekly censuses in the assembly of birds in Saco da Fazenda. 29 species of aquatic birds, distributed in 25 genres and 13 families, being 11 of constant occurrence (37.9%), six accessory (20.6%) and 12 species of casual presence (41.3%). Grouping analysis generated through data evaluating monthly average abundance showed a “300” distance level, resulting in the formation of four distinct groups. …”
Get full text
Article -
405
Evaluation of translucency of a nanofilled and a microhybrid resin composites
Published 2012-12-01“…Material and Methods: Four resin composites of shade A1 for enamel were tested: nanotechnology composites Filtek Z350 (F) and Grandio (G) were compared to microhybrid composites Filtek Z250 (Z) and Master Fill (M). …”
Get full text
Article -
406
Relationship between aerobic physical effort and body composition in adolescents
Published 2025-03-01“…Material and Methods: A cross-sectional correlation study was developed in 110 adolescents selected through non-probabilistic convenience sampling. Data on body composition and heart rates were collected for subsequent analysis in the JAMOVI statistical program. …”
Get full text
Article -
407
Isotopic composition and source regions of winter precipitation in the Nadym Lowland
Published 2020-04-01“…On the basis of the joint analysis of synoptic, trajectory and isotopic data, the main regions-sources of atmospheric moisture, precipitated in the Nadym Lowland during the cold period of 2016–2017, were determined. …”
Get full text
Article -
408
Experimental and Numerical Investigation of Jute Fibre-Reinforced Composite, a Sustainable Material for Green Energy
Published 2025-06-01“…Simultaneously the computational simulations were performed using the ANSYS-Mechanical 2023 R2 to replicate these conditions and predict the composite’s performance. The experimental and simulated data were analysed and compared. …”
Get full text
Article -
409
Fracture behavior of single-structure fiber-reinforced composite restorations
Published 2016-12-01“…The surface micromorphology of the FRC restorations was observed by scanning electron microscopy (SEM). The data were analyzed by analysis of variance (p = .05) followed by Tukey's test. …”
Get full text
Article -
410
Microelement composition of oral fluid in patients with chronic cerebral ischemia
Published 2023-04-01“…To study the microelement composition of the oral fluid of patients with chronic cerebral ischemia and compare the obtained data with clinical parameters. …”
Get full text
Article -
411
Marginal adaptation in proximal cavities restored with composites and other materials
Published 2017-12-01“… Objective: To evaluate the marginal adaptation, in enamel (E) and dentin (D), of composite resin (CR) associated with flowable resin composite (flow), bulk fill flowable base (bulk) and resin modified glass ionomer cement (RMGIC) in slot cavities. …”
Get full text
Article -
412
Peanut thresholds in peanut‐allergic children are related to dietary composition
Published 2023-05-01“…We hypothesized that diet composition can partly explain this variation in thresholds, as nutrients and foods influence the intestinal barrier function and microbiota. …”
Get full text
Article -
413
Effect of Variety and Site on the Allometry Distribution of Seed Cotton Composition
Published 2025-04-01Get full text
Article -
414
Serum Sclerostin, Body Composition, and Sarcopenia in Hemodialysis Patients with Diabetes
Published 2020-01-01Get full text
Article -
415
Qualitative composition of milk from Ukrainian Mountain Carpathian sheep
Published 2024-09-01“…Additionally, the average duration of lactation, depending on the breeding zone, ranged from 193 to 197 days. The analysis of the chemical composition of the milk shows a significant intergroup differentiation in the studied traits. …”
Get full text
Article -
416
Multiparametric performance comparison of dental composites for clear aligner attachments
Published 2025-07-01“…Methods Attachments were bonded to mandibular premolars, simulating the clinical process, and materials were tested for color changes (after immersion in coffee, cola, or iced tea), SBS, and durability (wear volume, surface roughness, morphology, post-aging SBS). The data obtained from the study were statistically evaluated via the Shapiro-Wilk test, the Levene test, t-tests, one-way analysis of variance and chi-square test. …”
Get full text
Article -
417
The Problem of the Reliability of Bending Models for Composite Plates of Medium Thickness
Published 2024-02-01Get full text
Article -
418
Comparison of light-transmittance in dental tissues and dental composite restorations using incremental layering build-up with varying enamel resin layer thickness
Published 2018-05-01“…A voltmeter recorded the light output signal to calculate the light-transmittance through the specimens. The data were analyzed using 1-way analysis of variance followed by the post hoc Tukey's test (p = 0.05).ResultsMean light-transmittance observed at thicker final layers of enamel were significantly lower than those observed at thinner final layers. …”
Get full text
Article -
419
Modern polymer composite materials for bone surgery: Problems and prospects
Published 2023-01-01“…To discuss the main problems and prospects of creating modern osteoplastic materials based on polymer compositions used for bone surgery.Methods. This review summarizes the research works devoted to the creation of materials used for bone implants and issues involved in their practical testing, as well as analyzes and synthesizes data of scientific articles on the following topics: rationale for the use of biodegradable materials in bone surgery; biodegradation and bioreparation bone graft processes; requirements for degradable polymer composite materials (PCMs) for biomedical applications; overview of polymeric materials suitable for use in implant practice; impact of modifications of the PCM on the structure and biological activity of the material in biological media; effect of exhaust and heat treatment on the molecular structure of polyalkanoates.Results. …”
Get full text
Article -
420
Longitudinal insights into maternal body composition across trimesters of pregnancy
Published 2025-08-01“…Pearson’s correlation analysis and linear regression were performed to assess the relationship between maternal body composition and the infant’s morphometry at birth. …”
Get full text
Article