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.
Depending on the program and the amount of prerequisites taken, a student can become a dental hygienist within four years. Students with the necessary undergraduate education can complete a master's degree program in 1 to 2 years based on part-time or full-time study.