Section 258.053 - Use of Certain Drugs(a) In this section, "narcotic drugs," "dangerous drugs," and "controlled substances" have the meanings defined or recognized by federal law or the law of this state.(b) A dentist may not: (1) prescribe, provide, obtain, order, administer, possess, dispense, give, or deliver to or for any person a narcotic drug, dangerous drug, or controlled substance: (A) that is not necessary or required; or(B) the use or possession of which would promote addiction to the drug or substance; or(2) aid, abet, or cause another person to engage in an action described by Subdivision (1). Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. 9/1/1999.