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Spontaneous correction of anterior crossbite by RPE anchored on deciduous teeth in the early mixed dentition
 

Type:  Articles

Pubblication date:  09/2012

Authors:  M. Rosa, P. Lucchi*, L. Mariani, A. Caprioglio

Language:  English

Institution:  University of Insubria, Varese, Italy * University of Cagliari, Italy

Publication:  European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Anchorage on deciduous teeth; Anterior crossbite; Early treatment; Mixed dentition; Rapid Palatal Expansion (RPE).

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Email:  [email protected]


Title:  Spontaneous correction of anterior crossbite by RPE anchored on deciduous teeth in the early mixed dentition

Abstract:  Aim The purpose of this study was to evaluate the effectiveness of Haas RPE anchored on deciduous teeth in the early mixed dentition, for inducing the spontaneous correction of permanent incisor’s crossbite, without compliance, without post bite-plane and no involvement of the permanent teeth. Materials and methods The sample group comprised 50 consecutive patients (mean age 8y 5m, SD 2y 1m), 31 males, 19 females. They showed a cross-bite affecting one or more permanent incisors, for a total of 70 teeth. The patients were treated with Haas RPE appliance anchored on second deciduous molars and bonded on deciduous canines. No direct forces were applied on the permanent teeth. Results Anterior crossbite self-corrected ‘spontaneously’ in 84% of the cases. Lateral incisors had a higher rate of self-correction than central incisors. All hyper-divergent subjects showed a spontaneous crossbite self-correction. Conclusion The early maxillary expansion by Haas RPE anchored on deciduous teeth is an efficient and effective procedure to induce the anterior crossbite self-correction in the early mixed dentition without the need of a bite-plane, no involvement of the permanent teeth and without compliance.

 
 
 
 
 
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