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.
In 1929, the first dental specialty board, the American Board of Orthodontics, was born. On a side note, the first synthetic (nylon)-bristle toothbrush was invented in 1938. Around this time, stainless steel became widely available, but using it for braces was considered somewhat controversial. It wasn't generally accepted as a material for orthodontic treatment until the late 1950s/early 1960s!