Korean J Orthod.  2013 Feb;43(1):35-41. 10.4041/kjod.2013.43.1.35.

Prevalence of malocclusion and its relationship with caries among school children aged 11 - 15 years in southern India

• Baskaradoss JK
• Geevarghese A
• Roger C
• Thaliath A

• KMID: 2273467
• DOI: http://doi.org/10.4041/kjod.2013.43.1.35

Abstract

OBJECTIVE
To assess the prevalence of malocclusion and its relationship with dental caries among school children in southern India.
METHODS
This cross-sectional study included 1,800 students aged 11 - 15 years whose Dental Aesthetic Index (DAI) and dentition status were recorded and analyzed. The chi-square test, ANOVA, and Spearman's correlation tests were carried out.
RESULTS
The mean DAI score +/- the standard deviation was 18.61 +/- 6.1. Approximately 85% of the students (83.0% males, 86.8% females) had DAI scores of < 26 and were classified as not requiring orthodontic treatment. One tenth of the sample had mean DAI scores between 26 - 30 (indicating definite malocclusion and elective treatment), while about 3% had mean scores between 31 - 35 (indicating severe malocclusion and treatment desirability). Only 29 children (1.6%; 16 boys, 13 girls) had a DAI score of > 35, which suggested very severe or handicapping malocclusion requiring mandatory treatment. The mean decayed, missing, filled teeth (DMFT) was 2.28 +/- 1.47. A DMFT of > 0 was observed in 91.8% of the study subjects. Children with a DAI score of > 35 were found to have significantly (p < 0.001) higher caries experience as compared to other children. Moreover, the DAI scores showed a significant correlation with the mean DMFT scores (r = 0.368, p < 0.05).
CONCLUSIONS
A positive correlation was found between the severity of malocclusion and dental caries.

Keyword

Oral hygiene; Epidemiology; Cariology; Orthodontic index

MeSH Terms

Aged
Child
Cross-Sectional Studies
Dental Caries
Dentition
Humans
India
Male
Malocclusion
Oral Hygiene
Prevalence
Tooth

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