100 PACKS Dental Orthodontic OC Brackets MIM Braces Mini Roth MBT 018 022 345H/K November 18, 2023 admin More MBT 0.018 345W/H. MBT 0.022 345W/H Features Roth /MBT prescription. Roth 0.018 345W/H. Roth 0.022 345W/H.