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J Indian Soc Pedod Prev Dent. 2015 Jul-Sep;33(3):213-7. doi: 10.4103/0970-4388.160366.

Prevalence and severity of molar incisor hypomineralization in children aged 11-16 years of a city in Karnataka, Davangere.

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1
Department of Pedodontics and Preventive Dentistry, Syamala Redddy Dental College, Bengaluru, Karnataka, India.

Abstract

INTRODUCTION:

Molar incisor hypomineralization (MIH) describes the clinical picture of hypomineralization of systemic origin affecting one or more first permanent molar. There is a rarity of prevalence studies in Indian population.

OBJECTIVES:

The main aim of this study was to investigate the prevalence of MIH in a population of South Indian children.

SETTINGS AND DESIGN:

A cross-sectional epidemiological survey, included 2000 children aged 11-16 years chosen by stratified random sampling from government and private schools of Davangere, a city in South India.

MATERIALS AND METHODS:

Evaluation of MIH and decayed, missing and filled teeth was carried out in these children by a calibrated examiner. The severity of hypomineralization was recorded according to the Wetzel and Reckel scale.

STATISTICAL ANALYSIS:

Chi-square test was used to analyze the categorical data. P ≤ 0.05 was considered for statistical significance.

RESULTS:

About 8.9% of all examined children showed at least one ill-structured first permanent molar in terms of MIH. The male and female ratio was found to be 1:1.1. The decreasing order of occurrence of MIH affected teeth were permanent maxillary molars, maxillaryincisors, mandibular molars and the mandibular incisors.

CONCLUSION:

The prevalence of MIH in the permanent dentition of south Indian children was 8.9%. There is a need for a proper planned preventive and restorative program with regard to the increasing prevalence of MIH.

PMID:
26156275
DOI:
10.4103/0970-4388.160366
[Indexed for MEDLINE]
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