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  1. Crest Whitestrips were introduced in 2001. [1] The product is used by placing a disposable plastic strip directly onto the teeth that contains an enamel-safe whitening gel. It is reported to be most effective on yellow and heavily stained teeth. [2] In 2010, the "3D" range of Whitestrips was introduced.

  2. Crest is an American brand of toothpaste and other oral hygiene products made by American multinational Procter & Gamble (P&G) and sold worldwide. In many countries in Europe, such as Germany , Bulgaria , Serbia , Ukraine , Belarus , Russia , Poland , Hungary , Latvia , Romania , Estonia and Lithuania , it is sold as Blend-A-Med , the name of an established German toothpaste acquired by P&G in ...

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  4. Tooth whitening or tooth bleaching is the process of lightening the color 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 color of the tooth enamel. [2] The chemical degradation of the chromogens within or on the tooth is ...

  5. MeSH. D003801. [ edit on Wikidata] In dentistry, a veneer is a layer of material placed over a tooth. Veneers can improve the aesthetics and function of a smile and protect the tooth's surface from damage. There are two main types of material used to fabricate a veneer: composite and dental porcelain. A composite veneer may be directly placed ...

  6. The Castle of Rocca Calascio is a mountaintop fortress or rocca in the municipality of Calascio, in the Province of L'Aquila, Abruzzo, Italy. At an elevation of around 1,460 metres (4,790 ft), the castle is the highest fortress in the Apennines. Built of stone and masonry exclusively for military purposes and intended only to accommodate troops ...

  7. Vance Drummond (1927–1967) was a New Zealand–born Australian pilot who fought in the Korean and Vietnam Wars. Posted to No. 77 Squadron in Korea, he flew Gloster Meteor jet fighters and earned the US Air Medal for his combat skills. He was shot down in 1951 and imprisoned for almost two years. He was awarded the Air Force Cross in 1965 ...

  8. George Washington (February 22, 1732 – December 14, 1799) was an American Founding Father, military officer, and politician who served as the first president of the United States from 1789 to 1797. Appointed by the Second Continental Congress as commander of the Continental Army in 1775, Washington led Patriot forces to victory in the American Revolutionary War and then served as president ...

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