18 documents found, page 1 of 2
Effects of experimental bleaching agents on the mineral content of sound and de...
Gobbo, Vanessa Cavalli; Rosa, Denise Aparecida da; Silva, Daylana Pacheco da; Kury, Matheus; Liporoni, Priscila Christiane Suzy; Soares, Luis Eduardo S.Made available in DSpace on 2019-09-11T20:51:38Z (GMT). No. of bitstreams: 0 Previous issue date: 2018; Abstract High concentrations of hydrogen peroxide can cause adverse effects on composition and structure of teeth. However, the addition of calcium and fluoride in bleaching agents may reduce enamel demineralization. Objective: To evaluate chemical changes of sound and demineralized enamels submitted to high ...
Mechanical and physical properties of silorane and methacrylate-based composites
Porto, Isabel Cristina Celerino de Moraes; Aguiar, Flavio Henrique Baggio de; Brandt, William Cunha; Liporoni, Priscila Christiane SuzyMade available in DSpace on 2019-09-12T16:53:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2013; Objectives: This study measured the degree of conversion (DC), sorption, solubility and microhardness of methacrylate (Filtek Z250 and Filtek Z350XT) and silorane-based composites (Filtek P90). Methods: DC was measured using near infrared spectroscopy immediately and 24 h after the photoactivation. Sorption a...
Antibacterial activity of Baccharis dracunculifolia in planktonic cultures and ...
Pereira, Cristiane Aparecida; Costa, Anna Carolina Borges Pereira da; Liporoni, Priscila Christiane Suzy; Rego, Marcos Augusto doMade available in DSpace on 2019-09-12T16:53:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2016; Streptococcus mutans is an important cariogenic microorganism, and alternative methods for its elimination are required. Different concentrations of Baccharis dracunculifolia essential oil (EO) were tested to determine its minimal inhibitory concentration (MIC) in planktonic cultures, and this concentration w...
Fourier Transform-Raman and Reflectance Studies on Dental Enamel Bleached with ...
Cesar, Ilene Cristine Rosia; Soares, Luís Eduardo Silva; Alves, Leandro Procopio; Martin, Airton Abrahao; Munin, EgbertoMade available in DSpace on 2019-09-12T16:53:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2009; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Objective: To evaluate the effects of 35% hydrogen peroxide bleaching on bovine teeth using reflectance and Fourier transform (FT)-Raman spectroscopy. Background Data: Previous ...
FT-Raman and Energy Dispersive X-Ray Fluorescence Spectrometric Analyses of Ena...
Paula, Shirley de Souza; Soares, Luís Eduardo Silva; do Espirito Santo, Ana Maria; Martin, Airton Abrahao; Gobbo, Vanessa CavalliMade available in DSpace on 2019-09-12T16:53:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2010; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Objective: This study aimed to investigate the effects on enamel surface treated with hydrogen peroxide bleaching and acidic soft drink immersion and/or brushing with whitening dentifrices. Materials and Methods: Fifty-six standardized enamel slab...
Enamel Susceptibility to Coffee and Red Wine Staining at Different Intervals El...
Liporoni, Priscila Christiane Suzy; Souto, Camille Muricy Cajazeiro; Pazinatto, Rafael Barroso; Cesar, Ilene Cristine Rosia; Rego, Marcos Augusto doSuplemento (2); Made available in DSpace on 2019-09-12T16:53:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2010; Objective: This study aimed to investigate bleached enamel susceptibility to coffee and red-wine staining at different time periods after bleaching. Background data: Although hydrogen peroxide is effective for dental bleaching, little is known regarding color stability immediately after bleach...
Effects of Bleaching Agents Combined with Regular and Whitening Toothpastes on ...
Attia, Mariana Lerner; Cavalli, Vanessa; Espírito Santo, Ana Maria do; Martin, Airton Abrahao; D'Arce, Maria Beatriz FreitasMade available in DSpace on 2019-09-12T16:53:49Z (GMT). No. of bitstreams: 0 Previous issue date: 2015; Objective: The purpose of this study was to evaluate surface roughness and changes in the composition of enamel submitted to different bleaching protocols and toothbrushing with regular and whitening toothpastes. Background data: Bleaching treatment could promote morphological and chemical changes in enamel s...
Concurrence Between the Maxillary Midline and Bisector to the Interpupillary Line
Eskelsen, Evania; Fernandes, Camila Borges; Pelogia, Fernanda; Cunha, Leonardo Goncalves; Pallos, Débora; Neisser, Maximiliano PieroMade available in DSpace on 2019-09-12T16:56:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2009; Objetivo: a simetria é um dos fatores que contribui para a harmonia facial e, na reabilitação oral, determina o sucesso do tratamento estético. Portanto, o objetivo do presente estudo foi analisar a simetria axial entre a linha média bipupilar e a linha média dos incisivos centrais superiores de 102 estudante...
Effect of preheating and light-curing unit on physicochemical properties of a b...
Theobaldo, Jessica Dias; Aguiar, Flávio Henrique Baggio; Pini, Nubia Inocencya Pavesi; Lima, Debora Alves Nunes LeiteMade available in DSpace on 2019-09-12T16:57:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2017; Objective: The aim of this study is to evaluate the effect of composite preheating and polymerization mode on degree of conversion (DC), microhardness (KHN), plasticization (P), and depth of polymerization (DP) of a bulk fill composite. Methods: Forty disc-shaped samples (n = 5) of a bulk fill composite were ...
Physicochemical changes in enamel submitted to pH cycling and bleaching treatment
Eskelsen, Evania; Catelan, Anderson; Hernades, Natalia Maria Aparecida Pinto; Soares, Luís Eduardo Silva; Cavalcanti, Andrea NobregaMade available in DSpace on 2019-09-12T16:57:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2018; Objective: The purpose of this study was to assess the hardness, mineral content, surface roughness, and micromorphology of sound and slightly demineralized enamels, before and after bleaching procedure using 10% carbamide peroxide. Methods: Sixty bovine dental blocks were randomly divided into the following ...