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At home whitening methods include over-the-counter strips and gels, whitening rinses, whitening toothpastes, and tray-based tooth whiteners. [41] OTC products can be used for milder cases of tooth staining. [41] Home-based bleaching (following manufacturer's instructions) results in less tooth sensitivity than in-office bleaching. [42]
The best at-home teeth whitening products that are approved by the American Dental Association and contain hydrogen peroxide for a blindingly bright smile. Dentist-Approved At-Home Teeth Whiteners ...
Teeth whitening strips are easy-to-use, peel-and-stick strips that you wear on your teeth for 15 to 30 minutes each day. "Most kits come with a 30-day supply and are relatively easy to use," says ...
Racial whitening, an ideology in Brazil 1889–1914 Blanqueamiento, the practice of marrying whiter people in order to have whiter offspring; Signal whitening, decorrelation in signal processing; Skin whitening, using chemical substances to lighten the skin; Software whitening, an approach to coping with bias in random number generation
Laundry detergent fluorescing under ultraviolet light. Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) through the ...
An implementation of several whitening procedures in R, including ZCA-whitening and PCA whitening but also CCA whitening, is available in the "whitening" R package [7] published on CRAN. The R package "pfica" [8] allows the computation of high-dimensional whitening representations using basis function systems (B-splines, Fourier basis, etc.).
Guthy-Renker was founded in November 1988 by Bill Guthy and Greg Renker. They met at the Indian Wells Racquet Club and Resort in Indian Wells, California. [2] [3] [4] They considered starting an infomercial company after an order was placed at Guthy's cassette duplication company, Cassette Productions Unlimited, for 50,000 copies of a real estate lecture to be sold through infomercials.
Zoom Workplace (commonly known and stylized as zoom) is a proprietary videotelephony software program developed by Zoom Communications.The free plan allows up to 100 concurrent participants, with a 40-minute time restriction.