A hygienist or a dental hygienist is a person who is trained to clean people's teeth and to give them advice on how to look after their teeth and gums. someone who helps a dentist by cleaning patients' teeth and giving advice about keeping teeth healthy American Equivalent: dental hygienist
A person trained and licensed to provide preventive dental services, such as cleaning the teeth and taking x-rays, usually in conjunction with a dentist. someone who works with a dentist and cleans people's teeth, or gives them advice about how to look after their teeth