Dental Orthodontic 1st Molar Rot 0 18 Buccal Tubes Non-Convertible Bondable. Model:Roth 0.022, MBT 0.022, Roth 0.022 With Laser Mark, Roth 0.018 With Laser Mark, Roth 0.018. Item arrived. The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies.