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.
Training and development. To practise as a dental hygienist, you need to take an appropriate course approved by the General Dental Council (GDC). You will then need to register with the GDC. The course is offered by dental schools and usually takes two years or up to 27 months full-time.