Tooth whitening the human eye and brain. Teeth are composed of a surface enamel layer, which is whiter and semitransparent, and an underlying dentin layer, which is darker and less transparent. These are calcified, hard tissues comparable to bone. The natural shade of teeth is best considered as such; an off-white, bone-color rather than pure white. Public opinion of what is normal tooth shade tends to be distorted. Portrayals of cosmetically enhanced teeth are common in the media. In one report, the most common tooth shade in the general population ranged from A1 to A3 on the VITA classical A1-D4 shade guide.
The Outermost House Endicott Peabody declared. It was also revealed during this ceremony that the National Park Service (part of the U.S. Department of the Interior) referred to "The Outermost House" on several occasions in its reports that were filed when making its evaluation of the Outer Cape land for National Park status in the 1950s. Today, there are still "Outermost House" types of structures on the Outer Beach, where occupants live in the same fashion that Beston did in the 1920s. Although Beston's original house was claimed by the elements, the Henry Beston Society of Cape Cod has begun a campaign to