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

BMC Oral Health

Sukumaran Anil³  Vimal Jacob⁶  Mohamed Hashem¹  Suresh Babu⁸  Madhusudan Krishna⁷  Abdul-Aziz Abdullah Al Kheraif²  Seby J Gardens⁵  Sajith Vellappally⁴ 

[1] Dental Health Department, Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia;Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh 560013, Saudi Arabia;Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Post Box: 60169, Riyadh 11545, India;Dental Health Department, Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Post Box: 60169, Riyadh 11433, Saudi Arabia;Department of Public Health Dentistry, Mahe Institute of Dental Sciences, Union Territory of Pondicherry, Pondicherry, India;Dental Caries Research Chair, College of Dentistry, King Saud University, Riyadh, Saudi Arabia;Krisha Devaraya College of Dental Sciences, Bangalore 562157, Karnataka, India;Department of Public health Dentistry, Navodaya Dental College and Hospital, Raichur, Karnataka, India

关键词: Mental retardation;    Epidemiology;    Disabled children;    Malocclusion;    Dental caries;   

Others  :  1091619
DOI  :  10.1186/1472-6831-14-123

 received in 2014-05-12, accepted in 2014-09-26,  发布年份 2014

【 摘 要 】

Background

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.

Methods

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.

Results

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.

Conclusions

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.

【 授权许可】

   
2014 Vellappally et al.; licensee BioMed Central Ltd.

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