Alternative treatment for open bite Class III malocclusion in a child with Williams-Beuren syndrome

Giovanni Modesto VIEIRA, Eduardo Jacomino FRANCO, Denise Falcão Pinheiro da ROCHA, Laudimar Alves de OLIVEIRA, Rivadávio Fernandes Batista AMORIM

Williams-Beuren syndrome (WBS) is a rare genetic condition that affects approximately 1 in every 20,000 - 50,000 live births. WBS children have specific skeletal deformities, dental malformations and rare lingual muscle dysfunction. The need for orthodontic and orthognathic therapy has arisen and has been considered a real clinical challenge even for experienced professionals, once it requires a complex and individualized treatment plan. This study reports a case of orthopedic expansion of the maxilla, in which a modified facial mask was used for protraction of the maxillary complex associated with clockwise rotation of the maxilla. In addition, special considerations about treatment time and orthopedic outcomes are discussed.

Keywords: Chromosome deletion. Open Bite. Angle Class III malocclusion treatment. Protraction of the maxilla.

How to cite: Vieira GM, Franco EJ, Rocha DFP, Oliveira LA, Amo- rim RFB. Alternative treatment for open bite Class III malocclusion in a child with Williams-Beuren syndrome. Dental Press J Orthod. 2015 Jan-Feb;20(1):97-107. DOI: http://dx.doi.org/10.1590/2176-9451.20.1.097-107.oar

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