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KMID : 1144020110070010021
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Journal of Korean Association for Disability and Oral Health
2011 Volume.7 No. 1 p.21 ~ p.24
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SCISSOR BITE CORRECTION IN PATIENTS WITH WILLAMS SYNDROME: A CASE REPORT
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Ji Eun-Hye
Choi Hyung-Jun
Kim Seong-Oh
Son Heung-Kyu
Lee Jae-Ho
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Abstract
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Williams syndrome(WS) is a congenital disorder caused by a deletion of the Elastin gene and other contiguous genes at chromosome 7. Patients with WS are at a high risk of dental caries, and they also have a higher frequency of dental malocclusion compared to normal children. Malocclusion occurs in 85% of individuals with WS, which results from combined causes, such as tongue thrust, hypotonia, and connective tissue abnormality. An 11 year-old girl with WS presented scissor bite on the lower right second premolar and the first molar, and she complained of difficulty in chewing. Active lingual arch was used instead of removable appliance, considering the patient’s cooperation ability. Unilateral posterior scissor bite was corrected in 7 months. Although patients with WS are sociable and friendly, dental treatment can be a fearful experience for them. Efforts to build rapport with the patients with WS resulted in improved relationship between the doctor and patient, and desired outcome of dental treatment was achieved with patient’s improved cooperation.
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KEYWORD
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Williams syndrome, Scissor bite, Rapport
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