Crossbite is defined as any abnormal buccolingual relationship between opposing incisors, molars or premolars in centric relation. It can either be skeletal crossbite or dental crossbite. The dental crossbite is subdivided into anterior crossbite and posterior crossbite. The purpose of the study was to determine the gender wise distribution of crossbite malocclusion among the study population and also to determine the type of malocclusion among the patients. The study was done in a university set up in a private dental college and hospitals, Chennai. A retrospective study was conducted in patients with crossbite. The final sample size was 934 after reviewing 41190
case sheets. The data was collected from the hospital digital database by reviewing the patients records and analysing them. The data was entered in an excel sheet and imported to SPSS software version 23 and the results were calculated using Chi square test. It was observed that the prevalence of crossbite in male population was 60.06% and in the female population was 39.9%. Crossbite in Class I malocclusion was more common among the male patients (47.64%) followed by class III malocclusion (8.57%). However, it is not significant statistically (P value>0.05). Within the limits of the study, it was observed that crossbite was more prevalent in the male population and crossbite in class I malocclusion was more common among the patients. Thus, the idea of early intervention should be emphasised.
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