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ORIGINAL ARTICLE
Year : 2016  |  Volume : 6  |  Issue : 1  |  Page : 28-33

Prevalence of the developmental defects of the enamel in children aged 12—15 years in Kollam district


1 Department of Oral and Maxillofacial Pathology, Azeezia College of Dental Science and Research, Meeyannoor, India
2 Department of of Oral and Maxillofacial Pathology, Malabar Dental College, Edappal, Kerala, India

Correspondence Address:
Rathy Ravindran
Department of Oral and Maxillofacial Pathology, Azeezia College of Dental Sciences and Research, Meeyannoor, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2231-0762.175407

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Aim and Objectives: To determine the prevalence of developmental defects of enamel in children aged 12—15 years in Kollam district and to examine the etiological factors associated with the developmental defects of the enamel (DDE). Materials and Methods: A total of 2,500 children from 10 urban and 10 rural schools were examined using modified DDE criteria for recording enamel defects. Ten index permanent teeth were screened for the DDE. Results: The overall prevalence of the DDE was found to be 32% and the prevalence is higher in urban schools (34.3%) compared to rural schools (29.6%). The most common tooth affected by the defect was maxillary right lateral incisor (P = 28.6%) and the tooth least affected was maxillary right first premolar (P = 3%). The most common deformity was demarcated opacities (P = 28.76%) and the least common deformity was combination of diffuse opacities and hypoplasia and combination of demarcated, diffuse opacities, and hypoplasia (P = 0%). There was a very high significant association between DDE and the mothers' pregnancy age, illness during pregnancy for mother, medication taken during pregnancy by mother, prematurity of birth, intubation done during prematurity, birth weight, systemic illness during the first 5 years of life, intake of drugs or chemicals during the first 5 years of life, nutritional status, and trauma or infection on deciduous teeth and dental caries. Conclusions: The study population showed a prevalence of 32% and very high significant association between perinatal, natal, and postnatal etiological factors. It indicates the need for educating the population about the risk factors for the DDE.


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