نتایج جستجو برای: bleaching agent

تعداد نتایج: 259341  

2003
Han Noot Zsófia Ruttkay

GESTYLE is a new markup language to annotate text which has to be spoken by Embodied Conversational Agents (ECA), to prescribe the usage of hand-, headand facial gestures accompanying the speech in order to augment the communication. The annotation ranges from low level (e.g. perform a specific gesture) to high level (e.g. take turn in a conversation) instructions. On top of that, and central t...

N. Aliyar Zanjani Z. Piravi Vanak

Considering the importance of bleaching earth with activated carbon in reduction of impurities in vegetable oils, this study was conducted to investigate the effects of bleaching process on physicochemical properties of the bleached soybean oil. The bleaching process was carried out with bleaching earth (1 % w/w) containing different concentrations of activated carbon (0.1 % up to 0.5 % w/w). T...

Journal: :Pakistan Journal of Medical and Health Sciences 2022

Imitation of smile aesthetics and analysis, is an initial step for dental bleaching, hence it significant that the dentist/dental hygienist identifies how to analyze root causes color change specify whitening before suggesting suitable procedure. With high-tech advancement, bleaching techniques have arose assist its use provide comfort, safety reduction in time, performance technique. The conse...

2012
Sônia Saeger MEIRELES Silvia Terra FONTES Luiz Antônio Afonso COIMBRA Álvaro DELLA BONA Flávio Fernando DEMARCO

OBJECTIVES This in vitro study evaluated the effectiveness of three carbamide peroxide concentrations used for tooth bleaching treatments. MATERIAL AND METHODS Sixty bovine dental slabs (6x6x3 mm) were obtained, sequentially polished, submitted to artificial staining (baseline) and randomized into four groups (n=15), according to the bleaching agent concentration: distilled water (control), 1...

2018

Beauty is a combination of qualities that delight the sight, other senses or the mind. Today, because of recent introduction and production of materials science and sophisticated dental techniques, better esthetics & improved durability of a restoration is achieved. It was found that color maintenance throughout the functional lifetime of restorations which is an indicator for the durability of...

2014
Larissa Alexandrino Yasmin Gomes Eliane Alves Hilton Costi Hervé Rogez Cecy Silva

OBJECTIVE This in vitro study analyzed the effects of a bleaching treatment containing 35% hydrogen peroxide (HP) with or without calcium on bovine enamel, using the Knoop hardness number (KHN), tristimulus colorimetry (TC), and scanning electron microscopy. MATERIALS AND METHODS Forty-five specimens were randomly divided into groups (n = 5), which included artificial saliva (negative control...

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