California Code, Business and Professions Code - BPC § 1922

(1) Has been engaged in the practice of dental hygiene, as defined in Section 1908, as a registered dental hygienist in any setting, including, but not limited to, educational settings and public health settings, for a minimum of 2,000 hours during the immediately preceding 36 months.

(2) Has successfully completed a bachelor's degree or its equivalent, recognized as a minimum of 120 semester credit hours or 180 quarter credit hours in postsecondary education, from a college or institution of higher education that is accredited by a national or regional accrediting agency recognized by the United States Department of Education, and a minimum of 150 hours of additional educational requirements, as prescribed by the dental hygiene board by regulation, that are consistent with good dental and dental hygiene practice, including, but not necessarily limited to, dental hygiene technique and theory including gerontology and medical emergencies, and business administration and practice management.