The prevalence of malocclusion and its association with dental caries among 12-18-year-old disabled adolescents

BMC Oral Health - Tập 14 - Trang 1-7 - 2014
Sajith Vellappally1, Seby J Gardens2, Abdul-Aziz Abdullah Al Kheraif3, Madhusudan Krishna4, Suresh Babu5, Mohamed Hashem1, Vimal Jacob6, Sukumaran Anil7
1Dental Health Department, Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
2Department of Public Health Dentistry, Mahe Institute of Dental Sciences, Union Territory of Pondicherry, India
3Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
4Krisha Devaraya College of Dental Sciences, Bangalore, India
5Department of Public health Dentistry, Navodaya Dental College and Hospital, Raichur, India
6Dental Caries Research Chair, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
7Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, India

Tóm tắt

To assess the prevalence of malocclusion among 12-18-year-old disabled adolescents in Chennai, Tamil Nadu, India, by using the Dental Aesthetic Index (DAI) and to determine the association of malocclusion with dental caries. This cross-sectional study included 243 children with various mental disabilities with or without physical infirmities. The Dental Aesthetic Index (DAI) and the dentition status were recorded using the World Health Organization Oral Health Surveys – Basic Methods (1997) Pro-forma. The Decayed (D), Missing (M) and Filled (F) components of the DMF index were calculated using the Dentition Status and Treatment Need (DSTN). A Chi-square test, ANOVA, and t-test were used to derive inferential statistics. The mean DAI score ± standard deviation was 39.0 ± 12.3. A total of 123 (50.6%) participants (74 males and 49 females) had DAI scores of 36 and above, which indicated a handicapping malocclusion requiring mandatory orthodontic treatment. Sixty-nine (28.4%) adolescents (36 males and 33 females) had DAI scores between 31 and 35, which indicated severe malocclusion, for which orthodontic intervention was desirable. Incisal segment crowding (84.8%) was the most common aspect of the malocclusion. The mean DMFT score was 4.36 ± 3.81, and 82.8% of the participants had a DMFT score > 0. There was no statistically significant correlation between the mean DAI and DMFT scores (r = 0.090, p = 0.15). Only 16 (6.6%) of the adolescents had minor or no anomaly not needing orthodontic treatment. The prevalence of malocclusion and dental caries was found to be high. However, there was no positive correlation between the severity of malocclusion and dental caries among the surveyed disabled adolescents.

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The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1472-6831/14/123/prepub

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