Hygienist/haɪˈdʒiːnɪst/ Definition 1 of 2Pro Tip 1/3Professional Role A hygienist specializes in preventive oral care, not in fixing teeth problems like a dentist. My hygienist advised me on how to avoid gum disease. Pro Tip 2/3Regular Visits People often see a dental hygienist regularly for cleanings, usually twice a year. You should schedule visits with your hygienist every six months. Pro Tip 3/3Educational Advice Hygienists educate patients on proper toothbrush and floss use. The hygienist showed me the right way to floss my teeth.