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Am J Orthod Dentofacial Orthop. 2011 Apr;139(4):517-25. doi: 10.1016/j.ajodo.2009.07.021.

Systemic and maxillofacial characteristics of patients with Beckwith-Wiedemann syndrome not treated with glossectomy.

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  • 1Department of Maxillofacial Reconstruction and Function, Division of Maxillofacial/Neck Reconstruction, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan.



Beckwith-Wiedemann syndrome (BWS) is a genetic disorder characterized by exomphalos, macroglossia and gigantism. Previous studies reported a wide variation in the skeletal and occlusal characteristics in individuals affected by BWS. However, these studies were performed by analyzing both individuals who had and those had not received a glossectomy, which has a high impact on the jaw growth and occlusion. To highlight the intrinsic characteristics of BWS, 7 Japanese affected individuals without glossectomy were analyzed in this study.


Seven individuals who had been diagnosed with BWS by medical specialists and had not undergone glossectomy were analyzed. Cephalograms and dental casts were taken and systemic complications were recorded at the first visit.


Individuals uniformly showed a higher birth height and weight, macroglossia, large anterior cranial base, and mandibular body. They exhibited a wide dental arch and an anterior open bite due to the undererupted and proclined anterior teeth. A wide variation was seen in the gonial angle, but the facial height was large overall.


As intrinsic characteristics of BWS, individuals exhibited macroglossia resulting in an anterior open bite and a wide dental arch. A long facial height and an enlarged anterior cranial base and mandibular body were also noted.

Copyright © 2011 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.

[PubMed - indexed for MEDLINE]
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