Prevalence of Anterior Crossbite in Children Visiting A University Hospital in Chennai - A Retrospective Study

Abstract

Anterior crossbite is a common malocclusion in early mixed dentition.Teeth with proper occlusion plays
an important role in speech, mastication, deglutition. Determining its prevalence is important for early
correction. The objective of the study was to assess prevalence of anterior crossbite in children visiting
university hospital Chennai. A sample of 4355 patients of age 6-13 years visiting the hospital were taken.
We reviewed patients records, analysed data of 7415 patients between June 2019 to March 2020 and clinical
findings are recorded.The data is then tabulated in microsoft excel. Chi square test is used for comparison
of groups. The data is analysed with the help of SPSS software.In this study we observed that 3.7% of the
total patients showed incidence of anterior crossbite. Prevalence of anterior crossbite is observed to be more
in age groups between 10-13 years followed by 6-9 years. Within the limitations of the study, 3% of the
children visiting university hospital have anterior crossbite.