Health (School Dental Therapists) Regulations 1974Law:S4493:atom:currency2026-04-01T00:00:00.0000000+08:00Health (School Dental Therapists) Regulations 1974S4493:2015012314042015-01-23T14:04:00.0000000+08:00Health (School Dental Therapists) Regulations 1974Health (School Dental Therapists) Regulations 1974PCO Helpdesklegislation@pco.wa.gov.au