dental hygienist

dental-hygienist的词性：
n.（名词）

1. 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.
牙齿卫生师：受过训练并有热照的人，他能提供预防性牙科服务，例如洁齿、照X光等。他们通常和牙科医生合作