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Elephant toothpaste reaction Two people watching the reaction of Elephant's toothpaste. Elephant's toothpaste is a foamy substance caused by the quick decomposition of hydrogen peroxide (H 2 O 2) using potassium iodide (KI) or yeast and warm water as a catalyst. [1]
SWiSH Max is a Flash, Dynamic HTML and vector graphic creation tool that is commonly used to create interactive and cross-platform movies, animations, and presentations. It was developed and distributed by Swishzone.com Pty Ltd, based in Sydney , Australia .
In dentistry, debridement refers to the removal by dental cleaning of accumulations of plaque and calculus (tartar) in order to maintain dental health. [1] Debridement may be performed using ultrasonic instruments, which fracture the calculus, thereby facilitating its removal, as well as hand tools, including periodontal scaler and curettes, or through the use of chemicals such as hydrogen ...
YouTube's intent in the creation of YouTube Shorts in 2020 was to compete with TikTok, [4] an online video platform for short clips. The company started by experimenting with vertical videos up to a length of 30 seconds in their own section within the YouTube homepage. [5] This early beta was released only to a small number of people.
Tooth whitening or tooth bleaching is the process of lightening the colour of human teeth. [1] Whitening is often desirable when teeth become yellowed over time for a number of reasons, and can be achieved by changing the intrinsic or extrinsic colour of the tooth enamel. [2]
The treatment of a toothache depends upon the exact cause, and may involve a filling, root canal treatment, extraction, drainage of pus, or other remedial action. The relief of toothache is considered one of the main responsibilities of dentists. [5] Toothache is the most common type of pain in the mouth or face.
Near-ultraviolet lasers have also shown promise as they allow the dental professional to remove calculus deposits quickly, without removing underlying healthy tooth structure, which often occurs during hand instrumentation. [44] Additionally, near-ultraviolet lasers are effective at various irradiation angles for calculus removal. [44]
Upon dissolving in various solvents, the 1:1 complex dissociates back to urea and hydrogen peroxide. So just like hydrogen peroxide, the (erroneously) so-called adduct is an oxidizer but the release at room temperature in the presence of catalysts proceeds in a controlled manner. Thus the compound is suitable as a safer substitute for the ...