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

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

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Title Stability of Unilateral Posterior Crossbite Correction in the Mixed Dentition - a 3-year Follow-Up
Author(s) Petrén, Sofia ; Bjerklin, Krister ; Bondemark, Lars
Date 2009
English abstract
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 and overbite 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. Conclusions: The long-term stability of posterior crossbite correction with Quad helix and expansion plate was equal.
Host/Issue Swedish Dental Journal;4
Volume 33
ISSN 0347-9994
Pages 201-226 Abstract 22
Language eng (iso)
Subject(s) Medicine
Research Subject Categories::ODONTOLOGY::Orthodontics
Note 45th Annual Congress of the Swedish Dental Society, Stockholm, November 12-14, 2009
Handle http://hdl.handle.net/2043/8956 (link to this page)

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