The permitting agencies will help determine what sort of mitigation is needed and possibly provide ideas for how the mitigation obligation might be satisfied. Typically, there are several options. Mitigation Banking: purchasing credits to fund an already existing area of mitigation land.
Teeth whitening history time frame. Barbers were the first to do teeth whitening in 1800s as proven by teeth whitening history. This was done by two methods: filling the teeth down with a steel apparatus and drenching it with nitric acid, which makes the teeth shiny white. Methods to whiten teeth range from a variety of options.
Dental hygiene is an ancient concept. Early forms of the toothbrush are mentioned as early as 3000 BC, when Egyptians and Babylonians used âËchew sticksâ which were thin twigs with frayed edges used to rub against the teeth. The first bristle toothbrush was invented in China in 1498, where coarse boar hairs were attached to handles made of bamboo or bone. Boar bristles were used until 1938, when nylon bristles were introduced by the company Dupont de Nemours. The first nylon toothbrush was called Doctor Westâs Miracle Toothbrush.