Cephalometric Characteristics of Down Syndrome in Brazilian Population
Journal Title: Journal of Advances in Medicine and Medical Research - Year 2016, Vol 17, Issue 5
Abstract
Objective: This study aimed to compare cephalometric characteristics between individuals with Down syndrome (DS) and non-syndromic subjects. Methods: Teleradiography of 15 patients with Down syndrome and 15 nonsyndromic individuals matched by age and gender were analyzed. Statistical analysis was performed comparing cephalometric measurements between groups using Mann-Whitney test. Results: The analysis of measurements showed the anterior and posterior shortening of the cranial base (SN and SBa length) in individuals with DS (p<0.05). Regarding the skeletal sagittal plane, it was noticed a reduction of SNA and SNB angles in cases with DS (p<0.05). The parameters ANB, Co-A and Co-Gn of individuals with Down syndrome were significantly reduced when compared to non-syndromic individuals (p<0.05). The 1U-NA angle presented was increased in cases with DS (p=0.001). Conclusions: Individuals with Down syndrome have shortening of anterior and posterior cranial base, maxilar and mandibular retrognathia and protrusion and proclination of upper incisors.
Authors and Affiliations
Jefferson David Melo de Matos, Alerico Dias Vieira, Jéferson Martins Pereira Lucena Franco, Sérgio Eberson da Silva Maia, Natã Cavalcante Pereira, Carolina Carvalho de Oliveira Santos, Thiago Fonseca-Silva
Keywords
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- EP ID EP341932
- DOI 10.9734/BJMMR/2016/28513
- Views 37
- Downloads 0
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