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Determination of Primate Space on 4 to 5 Years Old Children of Tehran’s Kindergarten in 2000

Author(s): J.Mahmoodian | H.Afshar | M.Hadjhashem

Journal: Journal of Dentistry of Tehran University of Medical Sciences
ISSN 2008-2185

Volume: 1;
Issue: 1;
Start page: 21;
Date: 2004;
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Keywords: Deciduous Teeth - Occlusion Primate Space- Interdental Space

Statement of Problem: Nowadays, evaluation of the development of occlusion in deciduous teeth for creating corrective occlusion in permanent teeth is one of the most important objectives of pediatric dentistry. In other countries, a vast number of researcheshave been accomplished on the details of occlusion in deciduous teeth. But, unfortunately,there is still no accurate information about this in IRAN.Purpose: The aim of this study was to evaluate the occlusion and interdental spaces of kindergarten children of Tehran.Materials and Methods: On this basis, some information were gathered by means of a cross-sectional, descriptive, analytic study on 248 children during their 4-5 years of age. All kinds of deciduous molar and canine occlusion were studied and registered. Anterior andposterior interdental spaces by means of a gauge with an accuracy of 0.05 mm were also measured. Collected data was analyzed by t-student and variance analysis.Results: In most children, the facial feature was mesoencephalic and the profile was convex. The incidence of occlusion was Fluch Terminal Plane (FTP), Distal Step (DS) and Mesial Step (MS), respectively. There was a statistical significant relationship between the FTP, DS and MS molar occlusion and the occlusion of Class I, II and III canine (P

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