From Longman Dictionary of Contemporary Englishhygienisthy‧gien‧ist /ˈhaɪdʒiːnɪst, haɪˈdʒiːnɪst/ noun [countable] British English MNsomeone who helps a dentist by cleaning patients’ teeth and giving advice about keeping teeth healthy SYN dental hygienist
Examples from the Corpus
hygienist• A high percentage of telephone operators are black, for example, but only a very small proportion of dental hygienists are.• Ask your dentist or dental hygienist for advice on using floss.• Ask your dentist or hygienist about the Braun Oral-B Plaque Remover.• The hygienists considered only physical needs as legitimate - and even hunger, if expressed at an unsuitable time, was excluded. 