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RANDOMISED CLINICAL TRIAL TO COMPARE THE EFFICACY OF DENTAL WHITENING WITH 37.5% HYDROGEN PEROXIDE GEL AND 6% HYDROGEN PEROXIDE WHITENING STRIPS.: clinical study to compare the efficacy of dental whitening with 6% hydrogen peroxide whitening strips.
J Dent
January 2025
Department of Dentistry, School of Medicine, University of Salamanca, Spain. Electronic address:
Objective: to evaluate the efficacy and chromatic stability after 4weeks, in all three thirds of the central incisor of two whitening treatments: in-office 37.5% hydrogen peroxide (HP) treatment alone, and 37.5% in-office HP followed by use of 6% HP whitening strips (WS).
View Article and Find Full Text PDFSurface 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 PDFImpact of nanostructured additives in tooth bleaching agents on enhancing color change and reducing side effects: a scoping review.
Clin Oral Investig
January 2025
Department of Dentistry, Universidade Federal do Rio Grande do Norte (UFRN), Natal, RN, Brazil.
Objectives: This study aimed to determine whether incorporating nanostructured additives into bleaching agents enhances efficacy and reduces side effects while identifying gaps for further investigation.
Methods: A comprehensive search was conducted in electronic databases, including PubMed/Medline, Embase, Scopus, and ISI Web of Science. Two reviewers independently screened articles based on predefined criteria, resolving discrepancies through discussion or consultation with a third reviewer.
Whitening: is Omnichroma universal composite unchanging? Spectrophotometric evaluation.
J Clin Exp Dent
December 2024
Department of Surgical Sciences, Pediatrics and Gynecology, University of Verona, P.le L.A.Scuro, 10, 37134 Verona, Italy.
Background: This study aimed to evaluate the color stability of Class V anterior restorations with universal composite after professional bleaching using a spectrophotometer.
Material And Methods: Class V cavities were prepared and restored with universal composite in twenty-eight extracted anterior teeth. One week after restoration, color analysis was performed using the spectrophotometer.
Comparative Analysis Between Strip and Gels Indicated for at Home Bleaching: Analysis of Color Alteration, Roughness and Microhardness of Dental Enamel.
J Esthet Restor Dent
January 2025
Department of Preventive and Restorative Dentistry, São Paulo State University (UNESP), School of Dentistry Araçatuba, Sao Paulo, Brazil.
Purpose: To compare the color alteration, surface roughness and microhardness and cross-sectional microhardness of bovine enamel treated with at-home whitening strips and gels.
Materials And Methods: Sixty-six pigmented specimens (n = 11) were allocated to six groups: C-cotton wool moistened with distilled water for 1 h; SDS-sodium dithionite strip, for 1 h; HPS-6.5% hydrogen peroxide strip, for 1 h; CPS-20% carbamide peroxide strip, for 1 h; HPG-7.
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