The MBT Upper & Lower 6-6 Kit features the UnoDent Professional MBT brackets from 5-5 with hooks on Canines and includes 1st the UnoDent LP Low profile molar buccal tubes. Through MIM manufacturing technique, UnoDent Professional brings you a bracket of unmatched strength, slot accuracy and polished surface smoothness. Bicuspids have gingivally offset lower bicuspids on a larger bonding pad to prevent debonding due to occlusal interference.