If a child with scabies attends day care or the affected person is institutionalized (such as in a nursing home or prison), then staff and others in close contact with the person should be treated. It is best to treat everyone simultaneously to minimize the risk that untreated people will reinfest treated people.
Education and Qualifications. To become a dental hygienist, you'll need either a 2- or 4-year degree in dental hygiene. Most programs are two years long and lead to an associate's degree. They are offered through community colleges and technical colleges.
Advanced Degrees. Most colleges with dental hygienist programs, 280 of 323 U.S. programs in 2010, offer associate degree programs, according to the American Dental Hygienists' Association. Additionally, 51 offer four-year bachelor's degrees and 19 offer master's degrees.