Etching
Mostrando 1-12 de 424 artigos, teses e dissertações.
-
1. Morphology Behavior of Copper Films Deposited after Wet Surface Treatment on Polished Alumina
In this paper, a pre-treatment process for electroless copper (Cu) deposition on the polished alumina (Al2O3) 99.9% and the behavior of Cu plating by electroless process after Al2O3 surface treatment were explored. Our work was carried out by changing the roughness of Al2O3 through micro-etching (coarsening), nucleation its surface by a two-step method (sens
Journal of the Brazilian Chemical Society. Publicado em: 2022
-
2. Temporal Evolution of Roughness Development on Polymer Surfaces Exposed to Non-Thermal Plasma
Processes such as ablation, erosion and corrosion generally create roughness patterns on solid surfaces. Despite the randomness of this phenomenon, some patterns can be described mathematically by studying statistically the mechanisms behind them. This paper reports an experimental study on the temporal evolution of the roughness development of polymer surfa
J. Braz. Chem. Soc.. Publicado em: 2020-10
-
3. COVID-19, Sistema Renina-Angiotensina, Enzima Conversora da Angiotensina 2 e Nicotina: Qual a Inter-Relação?
Processes such as ablation, erosion and corrosion generally create roughness patterns on solid surfaces. Despite the randomness of this phenomenon, some patterns can be described mathematically by studying statistically the mechanisms behind them. This paper reports an experimental study on the temporal evolution of the roughness development of polymer surfa
Arq. Bras. Cardiol.. Publicado em: 2020-10
-
4. Influence of Acid Etching and Universal Adhesives on the Bond Strength to Dentin
Resumo O objetivo deste estudo foi avaliar a influência do modo de aplicação de três sistemas adesivos universais nas propriedades físicas interfaciais de restaurações indiretas de compósito adesivamente cimentadas a cavidades dentinária. Setenta e oito incisivos inferiores bovinos foram selecionados e uma fatia de dentina (espessura: 2 mm) entre a
Braz. Dent. J.. Publicado em: 2020-06
-
5. Effect of Etching Temperature on Surface Properties of Ti6Al4V Alloy for Use in Biomedical Applications
The objective of this study is to evaluate the surface physicochemical properties of Ti6Al4V alloy after etching with a piranha’s solution at temperatures of 25 °C, 40 °C, and 60 °C for 30 min. Scanning electron microscopy with energy-dispersive X-ray spectroscopy, optical profilometry, X-ray diffraction, and wettability analyses were used to characteri
Mat. Res.. Publicado em: 10/01/2020
-
6. Influence of hydrofluoric acid etching time and concentration on shear bond strength of metal brackets to ceramic surfaces
Resumo Introdução O tratamento de superfície prévio a colagem de braquetes a cerâmica com ácido fluorídrico, é indicado devido a sua capacidade de promover alterações morfológicas necessárias para a adesão. Objetivo Avaliar a resistência de união ao cisalhamento (RUC) de braquetes metálicos unidos à superfície cerâmica feldspática sob a
Rev. odontol. UNESP. Publicado em: 13/12/2019
-
7. Influence of the mode of application of universal adhesive systems on adhesive properties to fluorotic enamel
Abstract The objective of this study is to compare the resin-enamel bond strength (mμSBS), in-situ degree of conversion (DC), and the enamel-etching pattern (SEM/EDX) of universal adhesive systems when applied to sound and fluorotic enamel. Ninety-eight human molars were sectioned into 4 parts and divided into 24 groups according to 1) enamel surface (sound
Braz. oral res.. Publicado em: 25/11/2019
-
8. Characteristics of adhesive bonding with enamel deproteinization
RESUMO Objetivo: avaliar os efeitos do uso de hipoclorito de sódio (NaOCl) sobre as características de colagem de braquetes ortodônticos metálicos na superfície do esmalte, utilizando três sistemas adesivos. Métodos: cento e vinte pré-molares foram selecionados e divididos aleatoriamente em dois grupos iguais, cada um com 60 dentes (Grupos I e II).
Dental Press J. Orthod.. Publicado em: 11/11/2019
-
9. Bond strength assessment of a universal adhesive system in etch-and-rinse and self-etch modes
Resumo Introdução A odontologia moderna é refletida na inserção de novos materiais com diferentes formas de adesão nas estruturas dentárias, como o sistema adesivo Universal. Objetivo Avaliar a resistência adesiva do sistema adesivo universal em dentina, na forma de aplicação auto condicionante e convencional, comparando com um sistema adesivo co
Rev. odontol. UNESP. Publicado em: 07/11/2019
-
10. Effect of grape seed extract-containing phosphoric acid formulations on bonding to enamel and dentin
Abstract The aim was to evaluate the effect of 2% grape seed extract (GSE) containing phosphoric acid (PhA) on the bond strength to enamel and dentin. The control group was 37% PhA. The following three PhA formulations with 2% GSE and 20% ethanol were obtained: GSE5 = 5% PhA; GSE10 = 10% PhA; and GSE20 = 20% PhA. The enamel and dentin surfaces of molars were
Braz. oral res.. Publicado em: 28/10/2019
-
11. Bond Stability of Universal Adhesives Applied To Dentin Using Etch-And-Rinse or Self-Etch Strategies
Resumo Este estudo avaliou a resistência de união à dentina imediata e após 6 meses de adesivos universais utilizando estratégias de união convencional ou autocondicionante. Os adesivos testados foram Ambar Universal, G-Bond, Single Bond Universal, Tetric N-Bond Universal e Ybond Universal. Adesivos padrão-ouro (Scotchbond Multipurpose Plus e Clearfil
Braz. Dent. J.. Publicado em: 07/10/2019
-
12. Clinical time and postoperative sensitivity after use of bulk-fill (syringe and capsule) vs. incremental filling composites: a randomized clinical trial
Abstract The objectives of this double-blind randomized clinical trial were to compare (a) the clinical times and (b) the occurrence and severity of postoperative sensitivity, of posterior restoration that used a universal adhesive, in a self-etch or selective enamel-etching technique, along with incremental or bulk-fill composites (presented in syringes or
Braz. oral res.. Publicado em: 16/09/2019