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Surface roughness of composite resins subjected to brushing with whitening toothpastes: an in vitro study.
Braz Oral Res
January 2025
Pontifícia Universidade Católica do Rio Grande do Sul - PUC-RS, School of Health and Life Sciences, Department of Pediatric Dentistry, Porto Alegre, RS, Brazil.
The emergence of toothpastes containing different abrasive and whitening substances has been a constant concern among dental professionals. The aim of the present study was to perform an in vitro assessment of the surface topography of nanoparticle composite resins subjected to simulated brushing with dentifrices. Test samples were prepared with Filtek Universal (3M ESPE), Filtek Bulkfill (3M ESPE) and Z350 (3M ESPE), with 24 samples per resin.
View Article and Find Full Text PDFLife satisfaction around the world: Measurement invariance of the Satisfaction With Life Scale (SWLS) across 65 nations, 40 languages, gender identities, and age groups.
PLoS One
January 2025
Faculty of Psychology, Department of Cognition, Emotion, and Methods in Psychology, University of Vienna, Vienna, Austria.
The Satisfaction With Life Scale (SWLS) is a widely used self-report measure of subjective well-being, but studies of its measurement invariance across a large number of nations remain limited. Here, we utilised the Body Image in Nature (BINS) dataset-with data collected between 2020 and 2022 -to assess measurement invariance of the SWLS across 65 nations, 40 languages, gender identities, and age groups (N = 56,968). All participants completed the SWLS under largely uniform conditions.
View Article and Find Full Text PDFExploring Epigenetic Complexity in Regulation of Hematopoietic Stem Cells Niche: A Mechanistic Journey from Normal to Malignant Hematopoiesis.
Adv Exp Med Biol
January 2025
Centre for Diagnostic, Therapeutic and Investigative Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
Epigenetic regulation in hematopoietic stem cells (HSCs) research has emerged as a transformative molecular approach that enhances understanding of hematopoiesis and hematological disorders. This chapter investigates the intricate epigenetic mechanisms that control HSCs function, including deoxyribonucleic acid (DNA) methylation, histone modifications, and chromatin remodeling. It also explores the role of non-coding ribonucleic acid (RNAs) as epigenetic regulators, highlighting how changes in gene expression can occur without alterations to the DNA sequence.
View Article and Find Full Text PDFResistance of Resin-Bonded Ceramic Endocrowns of Different Intracoronal Depths.
Oral Health Prev Dent
January 2025
Purpose: This in-vitro study was conducted to assess the fracture resistance of resin-bonded ceramic endocrowns with different designs at varying intracoronal depths.
Materials And Methods: Forty-eight (n = 48) extracted mandibular first molar teeth were randomly divided into four groups (n = 12). In the control group, the specimens remained untreated.
Purpose: The purpose of this study was to evaluate the occurrence of peri-implant diseases and their potential risk indicators in a private practice setting.
Materials And Methods: This cross-sectional study evaluated data from 390 subjects (mean age 55.8 ± 11.
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