Comparison between clear aligners and 2 × 4 mechanics in the mixed dentition: a randomized clinical trial.
3D printing
Fixed orthodontic appliances
Interceptive orthodontics
Journal
The Angle orthodontist
ISSN: 1945-7103
Titre abrégé: Angle Orthod
Pays: United States
ID NLM: 0370550
Informations de publication
Date de publication:
01 01 2023
01 01 2023
Historique:
accepted:
01
06
2022
received:
01
03
2022
pubmed:
7
9
2022
medline:
27
12
2022
entrez:
6
9
2022
Statut:
ppublish
Résumé
To compare the efficacy and efficiency between clear aligners and 2 × 4 fixed appliances for correcting maxillary incisor position irregularities in the mixed dentition. The sample comprised 32 patients from 7 to 11 years of age randomly allocated into two parallel treatment groups: the clear aligners group, 14 patients (6 girls, 8 boys) with a mean initial age of 9.33 years (standard deviation [SD] = 1.01) treated with clear aligners; and the fixed appliances group, 13 patients (9 girls, 4 boys) with a mean initial age of 9.65 years (SD = 0.80) treated with partial (2 × 4) fixed appliances. Digital models were acquired before treatment and after appliance removal. Primary outcomes were incisor irregularity index and treatment time. Secondary outcomes were arch width, perimeter, length, size and shape, incisor leveling, incisor mesiodistal angulation, plaque index, and white spot lesion formation (International Caries Detection and Assessment System index). Intergroup comparisons were evaluated using t-tests or Mann-Whitney U-tests with Holm-Bonferroni correction (P < .05). Treatment time was approximately 8 months in both groups. No intergroup differences were observed for changes in any of the variables. Similar posttreatment arch shapes were observed in both groups. Clear aligners and 2 × 4 mechanics displayed similar efficacy and efficiency for maxillary incisor position corrections in the mixed dentition. The choice of appliance should be guided by clinician and family preference.
Identifiants
pubmed: 36066265
pii: 485460
doi: 10.2319/032322-237.1
pmc: PMC9797137
doi:
Types de publication
Randomized Controlled Trial
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3-10Informations de copyright
© 2023 by The EH Angle Education and Research Foundation, Inc.
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