Preventive Technologies 3300123 ESA Prophy Angles Star Firm Cup 100/Bx por | Jul 18, 2026ESA Disposable Prophy Angle Star Firm Cup 100/Bx. Dental Imaging & X-Ray. WINDSOR MILL, MD. The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies.