JOB DESCRIPTION: Dental hygienists work under the supervision of a dentist to provide direct patient care. Dental hygienists remove deposits and stains from patients’ teeth, expose and develop dental X-ray film, and perform various other preventatives and therapeutic services. They also help people develop and maintain good oral health by instructing individuals and groups in proper oral hygiene. Most dental hygienists work in private dental offices. Other places of employment include public health agencies, school systems, business firms, hospitals or clinics, and schools of dental hygiene.