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Int J Clin Pediatr Dent. 2016 Apr-Jun;9(2):167-71. doi: 10.5005/jp-journals-10005-1357. Epub 2016 Jun 15.

Molar Incisor Hypomineralization: An Epidemiological Study with Prevalence and Etiological Factors in Indian Pediatric Population.

Author information

1
Junior Resident, Department of Pediatric and Preventive Dentistry, King George Medical University, Lucknow, Uttar Pradesh, India.
2
Head, Department of Pediatric and Preventive Dentistry, King George Medical University, Lucknow, Uttar Pradesh, India.

Abstract

AIMS:

To determine the prevalence of molar incisor hypomineralization (MIH) in Indian children and to analyze the possible etiological factors.

MATERIALS AND METHODS:

First permanent molars and all permanent incisors were examined in 1,369 children aged 8 to 12 years. Examinations were performed by two calibrated observers. The subjects were evaluated using judgment criteria proposed by Weerheijm et al in 2003. The parents accompanying children were given a questionnaire regarding pre- and postnatal history of the children.

RESULTS:

A total of 191 children were diagnosed with MIH with a prevalence of 13.9%. Chi-square/Fisher exact test was used to compare the dichotomous variables. The relative risk with its 95% confidence interval was calculated to find the risk of clinical infections, such as chicken pox, jaundice, renal disorders, cardiac disorders, and affected molars with sex and type of delivery. Pre- and postnatal history of infection in a child was significantly correlated with the prevalence of MIH.

CONCLUSION:

The prevalence of MIH was 13.9% in the age group of 8 to 12 years. Prenatal and postnatal infections play an important role in hypomineralization of molars and incisors. How to cite this article: Mishra A, Pandey RK. Molar Incisor Hypomineralization: An Epidemiological Study with Prevalence and Etiological Factors in Indian Pediatric Population. Int J Clin Pediatr Dent 2016;9(2):167-171.

KEYWORDS:

Enamel opacities; Molar incisal hypomineraliza-tion; Posteruptive breakdown; Prenatal and postnatal infections.

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