Malocclusion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Permanent dentition, each segment (incisor segment, canine/premolar segment, molar segment) has > = 1 bracket bonded in place. 2. Meet the criteria for the end of orthodontic treatment: the upper and lower dental arches are matched, the teeth are straight, the occlusal relationship is good, and the six standards of normal orthodontic treatment are basically met.
Exclusion criteria
Exclusion criteria: (1) The patient's gingival hyperplasia to the level of brackets affects the post-processing of digital dental molds; (2) Patients who need to undergo resin or crown restoration treatment for dental crowns during the follow-up period; (3) Patients who use band rings for teeth grinding.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Surface deviations of dentitions quantified by root mean squares (RMSs);Arch form changes in width/length;Tooth movements; | — |
Countries
China
Contacts
West China Hospital of Stomatology, Sichuan University