Results of a follow-up study of occlusion status in Ukrainian schoolchildren
Journal Title: Journal of Stomatology (Czasopismo Stomatologiczne) - Year 2016, Vol 69, Issue 6
Abstract
Introduction. Dental crowding complicates sagittal, vertical and transversal types of malocclusion and it is accompanied by aesthetic, functional and morphological disorders even at the early stages of occlusion formation. Aim of the study. To carry out follow up study of occlusion state of one schoolchildren group in period from temporary to permanent dentition in order to determine in age aspect frequency and mechanism of development of malocclusions, complicated by dental crowding. Materials and methods. Follow up study of occlusion state in 434 schoolchildren of Poltava aged from 6 to 11 years old (girls – 246 (56.68%), boys – 188 (43.32%) was performed during six years. Results. The follow-up of one contingent of children confirms high (79.96%) prevalence of malocclusion in mixed dentition, which increases during permanent dentition to an average of 84.33%, that is to 4.37%. Orthodontic pathology in permanent dentition becomes more expressed and severe. Malocclusions complicated by dental crowding are the most widespread types, their frequency doubles within six years, mixed dentition – 33.54% permanent dentition – 68.67%. (Rχ2 <0.05). There is no statistically significant difference in factors of dental crowding presence in different types of malocclusion (Рχ2> 0.05). Conclusions. Frequency of the sagittal, vertical and transversal forms of malocclusion complicated by dental crowding was 33.54% in mixed dentition, and in six years it increased by 68.67% in permanent dentition.
Authors and Affiliations
Maryna Dmytrenko, Oleh Nesterenko
Keywords
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