22 Tex. Admin. Code § 114.11
(a) A dental assistant will not be considered to be positioning, exposing, or otherwise making dental x-rays if the dental assistant only performs radiological procedures:
Source Note:The provisions of this §114.11 adopted to be effective September 21, 2004, 29 TexReg 9005; amended to be effective November 5, 2006, 31 TexReg 8834.