This video explains what a dental hygienist is and what their duties are in the dental office. 1  Education. 2  Standard YouTube License.
American Kennel Club. The American Kennel Club (AKC) is a registry of purebred dog pedigrees in the United States.
Background. Actinic keratosis (AK) is a UV lightâinduced lesion of the skin that may progress to invasive squamous cell carcinoma. It is by far the most common lesion with malignant potential to arise on the skin.