Occlusal changes from primary to mixed dentitions in Nigerian children

The Angle Orthodontist
Chukwudi Ochi Onyeaso, Michael C Isiekwe

Abstract

To evaluate longitudinally the occlusal changes between the deciduous and early mixed dentition stages in Nigerian children. The occlusion of 145 3- to 5-year-old children was initially assessed at a popular pre-primary school center in Ibadan, Nigeria in October 2002, using the Foster and Hamilton criteria. The same group of children was followed up for reexamination in October 2006 in the primary school section of the center. Of 61 students who were located and reexamined, 54 (26 male and 28 female) qualified for the study. The molar relationship was assessed using Angle classification, and other occlusal features such as spacing, crowding, overbite, and overjet were also assessed. Descriptive statistics, chi-square test, as well as Pearson correlation coefficient, were applied as appropriate in the analysis of the data. Of 32 subjects initially having a flush terminal relationship (Class 1), 22 (68.7%) resulted in a Class I molar relationship, seven (21.9%) had Class II, and three (9.4%) had asymmetric relationships. Mesial step (Class III) was formed initially in 18 and 11 (61.1%) resulted in Class I. A Class III developed in five (27.8%). Significant positive correlations were found for molar relationship, crowding, overbi...Continue Reading

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Citations

Feb 13, 2016·Lancet·Cesar G VictoraUNKNOWN Lancet Breastfeeding Series Group
Apr 4, 2015·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Karen Glazer PeresAna Batista Menezes
Mar 23, 2017·International Journal of Environmental Research and Public Health·Xinhua ZhouYuehua Liu
Feb 27, 2015·Dental press journal of orthodontics·Daniella Borges MachadoAna Cristina Borges de Oliveira
Jan 13, 2018·Contemporary Clinical Dentistry·R VigneshDitto Sharmin

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