Long term skeletal and dental changes between tooth-anchored versus Dresden bone-anchored rapid maxillary expansion using CBCT images in adolescents: Randomized clinical trial - 11/05/20
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Summary |
Objective |
The aim of this study was to determine long-term skeletal and dental changes in tooth-anchored versus Dresden bone-anchored rapid maxillary expansion using CBCT images in adolescents.
Materials and methods |
In all, 29 adolescent patients (11–17 years of age) needing skeletal expansion were randomly allocated to two different groups treated by either a Dresden bone-anchored expander or a conventional hyrax expander. Patients included did not have previous orthodontic treatment, were non-syndromic and had all teeth present in mouth. CBCT images were taken before expansion and two or more years after expansion. An independent T-test was used to determine the statistical significance between treatment groups and paired T-test was used to compare the results before and after expansion in each group.
Results |
Neither treatment group showed overall long-term different skeletal and dental changes in the transverse, anterior-posterior and vertical planes (P<0.05). Both treatment groups showed mild asymmetric skeletal expansion, but these were clinically insignificant.
Conclusions |
Both expanders had similar skeletal and dental results. The greatest changes were in the transverse plane. Changes in vertical and anterior-posterior were negligible.
Le texte complet de cet article est disponible en PDF.Keywords : Bone-borne, Cone beam computed tomography, Rapid maxillary expansion, Tooth-borne
Plan
Vol 18 - N° 2
P. 317-329 - juin 2020 Retour au numéro
Article précédent
- Transverse, vertical, and anterior-posterior changes between tooth-anchored versus Dresden bone-anchored rapid maxillary expansion 6 months post-expansion: A CBCT randomized controlled clinical trial
- Manuel O. Lagravère, Connie P. Ling, Jeffrey Woo, Winfried Harzer, Paul W. Major, Jason P. Carey
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