Dental hygienists clean teeth and remove stains and deposits from teeth. They look at teeth and gums for signs of disease. They educate patients on brushing and flossing, take and develop X-rays, and apply fluoride or sealants on teeth and help keep the dental equipment in good working order and sharpen and sterilize dental instruments.

Radiologic technologists work in medical settings and perform x-rays to assist physicians in diagnosing medical ailments. They prepare patients for procedures, adjust imaging equipment, position patients and shield them from excess radiation.

Medical assistants perform administrative and certain clinical duties under the direction of a physician. Duties may include scheduling appointments, maintaining medical records, and billing and coding information for insurance purposes. Clinical duties may include taking and recording vital signs and medical histories, preparing patients for examinations and drawing blood.