Abstract
Objective: To determine prevalence of malocclusion and orthodontic treatment needs in Down syndrome individuals among Sudanese population in Khartoum area.Materials & Method: A total of 75 (37 males and 38 females) Down syndrome individuals age ranging from 6-28 years were clinically examined after obtaining their guardian’s consent, malocclusion was determined based on Angle and Incisor classification. Exclusion criteria were included individuals who had history of extraction and orthodontic treatment.Data was analysed by using SPSS Version 17, at an alpha level 0.05 and 95% confidence limits.Result: Angle Class III and Incisor III malocclusion represents the most prevalent type of malocclusions (58.7%) Angle classification, (53.3%) Incisors classification. Angle Class III malocclusion was more frequent among females (60.5%) than in males (56.8%). Themajority of individuals with Down syndrome are in need of orthodontic treatment (85.3%).Conclusion: The prevalence of malocclusion and orthodontic treatment need among Sudanese Down syndrome individuals was high. Angle and Incisor Class III malocclusion representing commonest trait of malocclusion with more frequency in femalesthan males.Key word: down syndrome, Class III malocclusion, orthodontic treatment
Highlights
Down syndrome (DS) is a genetic condition caused by the presence of an extra chromosome 21, or sometimes caused by the duplication of small regions of the chromosome
All Down syndrome individuals whose parent agreed to participate in the study and sign the consent paper were included in this study
The present study showed that the predominant Angle classification among Down syndrome individuals was Class III malocclusion (58.7%) and the percent of open bite was (38.7%), which in consistent to the studies carried out by Folakemi and Yinka
Summary
Down syndrome (DS) is a genetic condition caused by the presence of an extra chromosome 21, or sometimes caused by the duplication of small regions of the chromosome. This condition affects 1 in 800-1100 births, Down syndrome is a major cause of mental retardation and congenital heart disease. It causes distinct facial and physical features, Down syndrome is associated with congenital anomalies of the gastrointestinal tract, an increased risk of leukaemia, immune system defects, and an Alzheimer-like dementia.[1]. Down syndrome patients have many dental conditions suited to be considered for orthodontic treatment.[2]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
