Versions of See prior versions of a law on LawServer 2023 Nevada Revised Statutes 631.3127 – Dental therapists: Prohibition on prescription of certain controlled substances 2022 Nevada Revised Statutes 631.3127 – Dental therapists: Prohibition on prescription of certain controlled substances 2021 Nevada Revised Statutes 631.3127 – Dental therapists: Prohibition on prescription of certain controlled substances 2020 Nevada Revised Statutes 631.3127 – Dental therapists: Prohibition on prescription of certain controlled substances. [Effective January 1, 2020.] 2019 Nevada Revised Statutes 631.3127 – Dental therapists: Prohibition on prescription of certain controlled substances. [Effective January 1, 2020.]