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.
verb (used with object), canalized, canalizing. 1. to make a canal or canals through. 2. to convert into a canal. 3. to divide (a stream) into reaches with locks or dams, usually to maintain navigable depths. 4. to divert into certain channels; give a certain direction to or provide a certain outlet for.