Sec. 6. An applicant:
(1) must not have been convicted of a crime that has a direct bearing on the applicant's ability to practice competently;
(2) must be a graduate of a school for dental hygienists that:
(A) is accredited by the Commission on Dental Accreditation of the American Dental Association;
(B) is recognized by the board; and
(C) requires a formal course of training of not less than two (2) years of eight (8) months each;
(3) must pass an examination administered by an entity approved by the board; and
(4) may not take the examination described in subdivision (3) more than three (3) times.