Unilateral Posterior Crossbite Correction in the Mixed Dentition - a 3-year Follow-Up

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Unilateral Posterior Crossbite Correction in the Mixed Dentition - a 3-year Follow-Up

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Publication Other
Title Unilateral Posterior Crossbite Correction in the Mixed Dentition - a 3-year Follow-Up
Author(s) Petrén, Sofia ; Bjerklin, Krister ; Bondemark, Lars
Date 2010
English abstract
Stability of Unilateral Posterior Crossbite Correction in the Mixed Dentition - an RCT-study with 3-year Follow-Up. Aim: To compare and evaluate long-term stability of crossbite correction with Quad Helix or expansion plate in the mixed dentition. Methods: In this RCT-study 35 patients with unilateral posterior crossbite were randomized to be treated with either Quad Helix or expansion plate. The inclusion criteria were: mixed dentition, unilateral posterior crossbite, no sucking habits or previous orthodontic treatment. Stability was evaluated after 3 years by study cast measurements. Twenty subjects with normal occlusion were included as controls. Success rate, maxillary and mandibular transverse dimensions, overjet, overbite and arch length were registered. Results: Stability was equal for the two treatment methods. Small, albeit significant, differences between the groups were assessed with reference to transverse dimensions. No significant difference was seen for overjet and overbite. The treated patients never reached the same transversal width as the normal control group. Conclusions: The long-term stability of posterior crossbite correction with Quad helix and expansion plate was equal. The maxillary width was greater in the control group than the treated groups.
Link http://www.eos2010.si/images/stories/docs/eos-2010_abstract-book.pdf (external link to publication)
Host/Issue Abstract book
Pages p 78, Abstract SP 081
Language eng (iso)
Subject(s) Medicine
Research Subject Categories::ODONTOLOGY::Orthodontics
Note EOS 2010, 86th Congress of the European Orthodontic Society, Portorož, Slovenia, June 15-19, 2010
Handle http://hdl.handle.net/2043/11371 (link to this page)
Link http://www.eos2010.si/ (external link to related web page)

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