Section 258.054 - Use of X-Ray Equipment(a) A dentist may authorize a qualified person to perform beam calibration and characterization, quality assurance, instrument specification, acceptance testing, shielding design, or protection analysis on radiation-emitting equipment or radiopharmaceuticals for a procedure that involves the diagnosis or treatment of disease or another dental condition in humans.(b) A dentist's authorization and the performance of authorized activities by a qualified person does not constitute the practice of medical physics under Chapter 602.(c) A dentist may not authorize a dental assistant, other than a dental assistant described by Section 265.001(d), to make a dental x-ray unless the dental assistant is registered under Chapter 265.Amended by Acts 2017, Texas Acts of the 85th Leg. - Regular Session, ch. 295,Sec. 20, eff. 9/1/2018.Amended By Acts 2005, 79th Leg., Ch. 810, Sec. 5, eff. 9/1/2005.