To investigate the duration of mandibular-crowding alleviation using self-ligation compared with conventional appliances.
Study involved 54 patients who underwent nonextraction treatment and had eruption of all mandibular teeth, no spaces in the mandibular arch, irregularity index greater than 2 in the mandibular arch, and no therapeutic intervention planned with extraoral or intraoral appliances. Patients were randomly assigned to two groups: One group received treatment using the Damon System, while the second group was treated using a conventional edgewise appliance with .022 slots. Measurements included changes in intercanine and intermolar widths.
Treatment using the Damon System results in greater intermolar width than conventional treatment with no difference in the amount of mandibular incisor proclination.