Journal Article

Effects of a three-dimensional bimetric maxillary distalizing arch

TT Üçem, S Yüksel, C Okay and A Gülsen

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 22, issue 3, pages 293-298
Published in print June 2000 | ISSN: 0141-5387
Published online June 2000 | e-ISSN: 1460-2210 | DOI:
Effects of a three-dimensional bimetric maxillary distalizing arch

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This study aimed to investigate the dental effects of a three-dimensional (3D) bimetric maxillary distalizing arch. The Wilson rapid molar distalization appliance for Class II molar correction was used in 14 patients (10 girls and four boys with a mean age of 12-18 years). The open coil springs were activated with bent Omega stops and Class II inter-maxillary elastics. The mandibular anchorage was gained by a 0.016 x 0.016 utility arch with a 3D lingual arch or a lip bumper with a standard lingual arch. The lateral cephalograms taken before and after treatment formed the material of the research. A Wilcoxon test was used to statistically significant. Significant distal movement occurred in all posterior and canine teeth. The maxillary first molar distalization was found to be 3.5 mm. The maxillary incisor showed significant proclination and protrusion. The decrease in overbite was found to be statistically significant. The mandibular plane angle significantly increased by a mean of 0.5 mm. In addition, significant soft tissue changes were observed.

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Subjects: Restorative Dentistry and Orthodontics

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