نتایج جستجو برای: whitening technique

تعداد نتایج: 613340  

2015
JaeHo Lee SeungJun Lee ByungMan Lee KyungBaeg Roh DeokHoon Park EunSun Jung

27 For screening of skin-whitening ingredients that modulate inhibition of melanogenesis, 28 tyrosinase promoter-based assay using a 3D spheroid culture technique is a beneficial tool to 29 improve the accuracy of raw material screening in cosmetics through mimicking of the in 30 vivo microenvironment. Although the advantages of high-throughput screening (HTS) are 31 widely known, there has bee...

1991
Tarun Soni J. R. Zeidler Walter H. Ku

The recovery of an original image from its corrupted version is of importance in a number of applications. The detection of small and dim targets is one such problem, requiring the enhancement of target signals and suppression of noise and clutter in the image. Conventional methods like matched filtering require a priori knowledge of the target intensity spread function, the clutter correlation...

Journal: :Jurnal Ekonomi Bisnis Manajemen Prima 2023

The purpose of this study was to determine "The Effect Product Differentiation and Brand Image on repurchase interest Scarlett Whitening Products (Case Study Body Lotion in the People Pulau Rakyat Asahan District)". two variables, where variable is measured by a Likert scale. population were 366 people who female with sample 191 respondents taken from part existing population. And using Slovin ...

2017
Roger Lee Mendoza

Abstract In the Philippines and other developing countries, the skin whitening industry is prolific and expanding among native populations. However, this desire for white skin has dire health repercussions, both physical and psychological. Many researchers in the field of Filipino-American psychology attribute this desire for whiter skin to the American colonial rule of the Philippines, which b...

2008
Mara Loveman Jeronimo Muniz

The gradual “whitening” of Puerto Rico over the course of the twentieth century is often noted in scholarly, journalistic, and popular descriptions of the island’s population. In 1899, a year after Puerto Rico came under U.S. dominion, the census reported that 62 percent of the population was white; by the year 2000, according to official census results, the white proportion of the Puerto Rican...

2017
Laura E Tam Namhee Kim Grace M De Souza

OBJECTIVE To determine the effects of whitening strips on bovine dentin fatigue resistance and flexural strength in vitro. MATERIALS AND METHODS A total of eighty bovine dentin specimens (2x2x17mm) were treated with either: control glycerine gel on plastic film wrap or whitening strips containing 9.5% hydrogen peroxide. Treatment was applied for 30 minutes, twice a day, for 1- or 4-weeks. Aft...

Journal: :Pediatric dentistry 2005
Sean S Lee Wu Zhang D Harvey Lee Yiming Li

The purpose of this paper was to summarize the findings of a literature review on the use of peroxide-based tooth-whitening agents in children and adolescents. Safety considerations, including localized adverse effects and toxicological concerns, are described. Oral findings include: (1) 1 in every 2 to 3 patients may experience tooth sensitivity and/or gingival irritation after bleaching treat...

Journal: :Brazilian oral research 2012
Fábio Garcia Lima Talita Aparecida Rotta Sonara Penso Sônia Saeger Meireles Flávio Fernando Demarco

The aim of this study was to evaluate the bleaching effect of two mouth rinses containing hydrogen peroxide. Thirty premolars were randomly divided into two groups (n = 15): Listerine Whitening (LW) and Colgate Plax Whitening (PW). The teeth were fixed on a wax plate and with acrylic resin, at a distance of 5 mm between each other, exposing the buccal surfaces. All teeth were stored in artifici...

2006
Tooru Koike Noriko Nakashima Chinami Urata Masaki Arashima Hidenobu Okumura Akiyoshi Takada

To evaluate the effect of skin-whitening cosmetics, there is currently available a method to evaluate the degree of the disappearance of pigmented areas produced by ultraviolet irradiation by applying a sample to the skin. This method is convenient for evaluating a cosmetic formula. In animal models, this method shows much less individual differences, and due to the easiness in preparing animal...

Journal: :Brazilian dental journal 2015
Muhammet Karadas Zeynep Yesil Duymus

This in vitro study evaluated the whitening effect of four different over-the-counter products compared with a 10% carbamide peroxide (CP) bleaching gel. Specimens obtained from bovine incisors were stained in a tea solution and randomly divided into six groups according to the product used (n=10): CT: conventional toothpaste (negative control); CWT: Crest 3D White toothpaste; CWR: Crest 3D Whi...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید