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Int J Paediatr Dent. 2019 Jul;29(4):524-541. doi: 10.1111/ipd.12491. Epub 2019 Apr 14.

Malocclusion in children and adolescents with Down syndrome: A systematic review and meta-analysis.

Author information

1
Department of Social and Paediatric Dentistry, School of Dentistry, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil.
2
Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
3
Department of Dental Clinic, School of Dentistry, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil.

Abstract

BACKGROUND:

Previous studies have shown a high prevalence of malocclusion in people with Down syndrome (DS) compared to individuals without DS, but no systematic review to summarize the evidence on this topic has been performed thus far.

AIM:

To evaluate whether children/adolescents with DS are more affected by malocclusion than those without DS.

DESIGN:

A search was performed in seven electronic databases. The quality of the included studies was assessed using the Newcastle-Ottawa Scale. The strength of the evidence from the selected studies was evaluated by the Grading of Recommendations Assessment, Development and Evaluation system.

RESULTS:

Eleven publications were included in the systematic review and eight were meta-analysed. The meta-analysis showed that malocclusion was more prevalent in children/adolescents with DS for Angle Class III (risk difference [RD] = 0.40; confidence interval [CI] = 0.33, 0.46), posterior crossbite (risk ratio [RR] = 3.09; CI = 2.02, 4.73), anterior crossbite (RR = 2.18; CI = 1.41, 3.39), and anterior open bite (RD = 0.21; CI = 0.06, 0.36).

CONCLUSION:

The occurrence of malocclusion was higher in children/adolescents with DS compared to individuals without the syndrome. The strength of the evidence of the studies analysed, however, was considered moderate and low.

KEYWORDS:

Down syndrome; malocclusion; review

PMID:
30834602
DOI:
10.1111/ipd.12491

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