ASSESSMENT OF ORTHODONTIC TREATMENT NEEDS AMONG 12 YEAR OLD SCHOOL GOING CHILDREN IN THE DISTRICT OF MYSURU KARNATAKA INDIA A CROSS SECTIONAL STUDY

Abstract

quotObjectives: The major objective of the present study was to assess the orthodontic treatment need of school going children of Mysuru district. The study incuded the assessment of severity of malocclusion, awareness of malocclusion, the agreement between the orthodontist and the child. The objectives also included the assessment and prediction of normative and perceptive orthodontic treatment need using Poisson regression and normative orthodontic treatment need using negative binomial regression. newline Methodology: A cross-sectional descriptive survey was planned for a sample size of 840 subjects. To assess the normative and perceptive orthodontic treatment need, DHC and C of IOTN was used. Data were transformed into SPSS Windows version 16 and various statistical tests were applied. newlineResults: Out of the 845 subjects, 362(42.84%) were boys and 483(57.16%) were girls. The Little/ No need for orthodontic treatment which may or may not require orthodontic treatment is observed in 41.8% of the subjects. The Moderate need for orthodontic treatment which requires treatment is observed in 29.2% of the subjects. The Definite need for orthodontic treatment where treatment is mandatory is observed in 29% of the subjects. The awareness about orthodontic treatment need is 35.6% of the subjects. When the agreement between the orthodontist and the child for the entire Mysuru district was checked, there is a poor agreement (Kappa value= 0.319) between the Orthodontist and the child. Missing teeth was seen in 0.8%, overjet was seen in 39.9%, crossbite was seen in 7.9%, displacement (crowding) was seen in 46% and overbite was seen in 5.3%. The most common type of malocclusion observed is Displacement (crowding). newlineConclusion: The prevalence of malocclusion in Mysuru district is 58.2%. The awareness about orthodontic treatment need is 35.6%. There is a lack of agreement between the Orthodontist and the child. newlinequot newline