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Int. J. Environ. Res. Public Health 2014, 11(10), 11015-11027; doi:10.3390/ijerph111011015

Impact of Oral Health Behaviors on Dental Caries in Children with Intellectual Disabilities in Guangzhou, China

Faculty of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
Guangdong Provincial Key Laboratory of Stomatology, Department of Pediatric Dentistry, Guanghua School of Stomotology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Received: 6 August 2014 / Revised: 15 October 2014 / Accepted: 16 October 2014 / Published: 22 October 2014
View Full-Text   |   Download PDF [290 KB, uploaded 22 October 2014]


Dental care is consistently reported as one of the primary medical needs of children with disabilities (IDC). The aim of the present study was to explore the influence of oral health behaviors on the caries experience in children with intellectual disabilities in Guangzhou, China. A cross-sectional study was carried out in 477 intellectually disabled children, 12 to 17 years old, who were randomly selected from special educational schools in Guangzhou. A self-administered parental questionnaire was used to collect data on socio-demographic characteristics and oral health behavior variables, and 450 valid questionnaires were returned. Multiple regression analysis was used to examine the factors associated with dental caries. The average age of those in the sample was 14.6 years (SD = 1.3), 68.4% of whom were male, and the caries prevalence rate was 53.5% (DMFT = 1.5 ± 2.0). The factors significantly affecting the development of dental caries in IDC included gender, the presence or absence of cerebral palsy, and the frequency of dental visits and toothbrushing. In conclusion, the presence of cerebral palsy contributed to an increase risk of caries experience in intellectually disabled children, while toothbrushing more than twice a day and routine dental visits were caries-protective factors. Oral health promotion action may lead to a reduction in dental caries levels in IDC. View Full-Text
Keywords: dental caries; prevalence; intellectually disabled child; oral health behavior dental caries; prevalence; intellectually disabled child; oral health behavior
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Liu, Z.; Yu, D.; Luo, W.; Yang, J.; Lu, J.; Gao, S.; Li, W.; Zhao, W. Impact of Oral Health Behaviors on Dental Caries in Children with Intellectual Disabilities in Guangzhou, China. Int. J. Environ. Res. Public Health 2014, 11, 11015-11027.

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