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VOLUME 18 , ISSUE 10 ( October, 2017 ) > List of Articles


Characteristic of Malocclusion among Saudi Special Need Group Children

Thamer Alkhadra

Citation Information : Alkhadra T. Characteristic of Malocclusion among Saudi Special Need Group Children. J Contemp Dent Pract 2017; 18 (10):959-963.

DOI: 10.5005/jp-journals-10024-2156

Published Online: 01-03-2016

Copyright Statement:  Copyright © 2017; The Author(s).



The present study analyzed the characteristics of malocclusions, occlusal traits among Special Health care Needs (SHCN) children with Down syndrome (DS) and autism disorder (AD) in Riyadh City, Kingdom of Saudi Arabia.

Materials and methods

A total of 100 DS and 100 AD children from five rehabilitation centers in and around Riyadh, Kingdom of Saudi Arabia, were included in the study. Any children with history of ongoing medical treatment, extraction, or orthodontic treatment were excluded from the study. Out of the 200 patients examined, 131 were males and 69 were females and the age of the children ranged from 6 to 14 years. The children were examined for malocclusion characteristics using the Angle's classification of malocclusion, and also other occlusal traits, such as overjet, overbite, cross bite, and open bite were also determined. The data obtained were analyzed using Statistical Package for the Social Sciences, version 16 to generate descriptive statistics for each variable.


The analyzed data of the right and left permanent molar relation showed higher incidence of class III malocclusion (66%) in DS children as compared with (3–4%) AD children. The AD children presented with higher percentage of class I malocclusion (40–41%) as compared with (10–14%) DS children. During examination of the primary molars, the analyzed data showed that left primary molar had more mesial shift in AD children as compared with DS children.


Down syndrome children had high incidence of class III malocclusion and autistic children had high incidence of class I malocclusion. Overall, the DS children were more prone to malocclusion.

Clinical significance

This study provides database for health professionals in Saudi Arabia in regard to malocclusion of autistics and DS patients.

How to cite this article

Alkhadra T. Characteristic of Malocclusion among Saudi Special Need Group Children. J Contemp Dent Pract 2017;18(10):959-963.

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  1. Prevalence of malocclusion and its relationship with socio-demographic factors, dental caries, and oral hygiene in 12- to14-year-old Tanzanian school children. Eur J Orthod 2009 Oct;31(5):467-476.
  2. Prevalence of malocclusion and orthodontic treatment needs among 12–15 years old school children of Udaipur, India. Eur J Dent 2013 Sep;7(Suppl 1):S45-S53.
  3. Prevalence of malocclusion in children aged 14 to 18 years. Am J Orthod 1951 Oct;37(10):751-768.
  4. The characteristics of malocclusion: a modern approach to classification and diagnosis. Am J Orthod 1969 Nov;56(5):443-454.
  5. Meeting the health care needs of people with limited access to care. J Dent Educ 1984 Apr;48(4):213-216.
  6. Dental disease and current treatment needs in a group of physically handi-capped children. Community Dent Health 1993 Dec;10(4):389-396.
  7. Oral health status and treatment needs of children attending special schools in South India: a comparative study. Spec Care Dentist 2010 Nov-Dec;30(6):235-241.
  8. Down syndrome phenotypes: the consequences of chromosomal imbalance. Proc Natl Acad Sci U S A 1994 May;91(11):4997-5001.
  9. Down syndrome: a review of the literature. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1997 Sep;84(3):279-285.
  10. Orthodontic intervention and patients with Down syndrome. Angle Orthod 2006 Jul;76(4):734-735.
  11. Prevalence of malocclusion in mentally retarded young adults. Community Dent Oral Epidemiol 1985 Jun;13(3):183-184.
  12. Autistic disturbances of affective contact. Acta Paedopsychiatr 1968;35(4):100-136.
  13. Autistic disorder: a review for the pediatric dentist. Pediatr Dent 1998 Sep-Oct;20(5):312-317.
  14. Factors associated with malocclusions in children and adolescents with Down syndrome. Am J Orthod Dentofacial Orthop 2008 Apr;133(4):489.e1-489.e8.
  15. Prevalence and determinant factors of malocclusion in children with special needs. Eur J Orthod 2011 Aug;33(4):413-418.
  16. Analysis of orthodontic anomalies in mentally retarded developmentally disabled (MRDD) persons. Spec Care Dentist 1994 Sep-Oct;14(5):198-202.
  17. Periodontal status and orthodontic treatment need of autistic children. World J Orthod 2010 Fall;11(3):256-261.
  18. Epidemiological surveys of autism and other pervasive developmental disorders: an update. J Autism Dev Disord 2003 Aug;33(4):365-382.
  19. A study of speech, language, hearing, and dentition in children with cleft lip only. Cleft Palate Craniofac J 2008 Sep;45(5):485-494.
  20. Morphological features in children with autism spectrum disorders: a matched case-control study. J Autism Dev Disord 2011 Jan;41(1):23-31.
  21. Autism disorder (AD): an updated review for paediatric dentists. J Clin Diagn Res 2014 Feb;8(2):275-279.
  22. Dental caries experience, oral health status and treatment needs of dental patients with autism. J Appl Oral Sci 2011 May-Jun;19(3):212-217.
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