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There was a smile fad in 1971 in the United States. [ 11 ] [ 12 ] [ 4 ] [ 13 ] The Associated Press (AP) ran a wirephoto showing Joy P. Young and Harvey Ball holding the design of the smiley and reported on September 11, 1971 that "two affiliated insurance companies" claimed credit for the symbol and Harvey Ball designed it; Bernard and Murray ...
Colors! 3D is a successor to the application Colors! for the Nintendo 3DS. [4] It was released as an officially licensed application for the Nintendo eShop in North America on April 5, 2012, and in the PAL region on April 19, 2012.
Malachite green is classified in the dyestuff industry as a triarylmethane dye and also using in pigment industry. Formally, malachite green refers to the chloride salt [C 6 H 5 C(C 6 H 4 N(CH 3) 2) 2]Cl, although the term malachite green is used loosely and often just refers to the colored cation.
Slightly crooked smiles can be pleasant, but extremely crooked smiles just seem creepy. Helwig et al 2017 These sorts of studies can help in psychology and computer graphics, in addition to facial ...
Throughout the early 21st century, the World Health Organization and several national food safety agencies permitted use of erythrosine as a color additive under restrictions that it be used in amounts below acceptable daily intake levels for certain foods, such as for packaged cherries; countries having restricted-use provisions were the ...
Curcumin was named in 1815 when Henri Auguste Vogel and Pierre Joseph Pelletier reported the first isolation of a "yellow coloring-matter" from the rhizomes of turmeric. [4] Later, it was found to be a mixture of resin and turmeric oil. In 1910, Milobedzka and Lampe reported the chemical structure of curcumin to be as diferuloylmethane. [5]
Whitening, or "tooth bleaching", is the most common cosmetic dental procedure.Whitening is a safe process that is effective for most patients. Multiple whitening options are available, including over the counter products such as Crest Whitestrips, as well as dentist-supervised methods such as in-office treatments or at-home treatments involving trays with a peroxide gel.
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