Classes you need to take to become a dental hygienist. An associateâs degree in dental hygiene, which takes two years, is required to start practice. High school students should focus on core courses, including biology, chemistry, and math.
colonisation, settlement. 1  establishment, constitution, formation, organisation, organization - the act of forming or establishing something; the constitution of a PTA group last year; it was the establishment of his reputation; he still remembers the organization of the club.
Adj. 1. naturalized-introduced from another region and persisting without cultivation. established. foreign, strange-relating to or originating in or characteristic of another place or part of the world; foreign nations; a foreign accent; on business in a foreign city.