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PREVALENCE OF MALOCCLUSION
Year : 2013  |  Volume : 3  |  Issue : 2  |  Page : 97-102

Prevalence of malocclusion among adolescents in South Indian population


1 Departments of Orthodontics and Dentofacial Orthopaedics, Genesis Institute of Dental Sciences and Research, Ferozepur, Punjab, India
2 Sri Hasanamba Dental College, Hassan, Rajiv Gandhi University Health Sciences, Karnataka, India

Correspondence Address:
H Kaur
Genesis Institute of Dental Sciences and Research, Dental College and Hospital, Ferozepur Moga Road, Ferozepur 152 004, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2231-0762.122453

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Objective: To record prevalence of malocclusion among 2,400 adolescents in Karnataka state, India and to define difference in malocclusion status in urban and rural population. Design: Randomized cross-sectional study. Setting: School students of Karnataka state, 24 August 2011 to 30 March 2012. Participants: School students in the age group of 13-17 years. Materials and Methods: Each individual was assessed for occlusal traits - sagittal occlusion, overjet, overbite, crowding, midline diastema, and crossbite. Statistical Analysis Used: Examinations were computerized and analyzed using Statistical Package for Social Sciences version 16. Chi-square test was used for computing statistical significance. Results: 87.79% of population had malocclusion. Out of which 89.45% had class I, 8.37% had class II, and 2.14% had class III malocclusion. Normal overjet and overbite was seen in 48.22 and 49.87% of subjects, respectively. Frequency of crowding was 58.12% and 15.43% of subjects had midline diastema. Anterior crossbite was present in 8.48% and posterior crossbite in 0.99%. Urban population had twice the class II sagittal occlusion, and increased overjet as compared to rural population. Conclusions: Malocclusion is widely spread among population of Karnataka state, with greater prevalence in urban population. Early exfoliation of deciduous teeth and refined diet can be considered as viable etiological factors.


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