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L'Orthodontie Française

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Comparison of the dental measurements according to the obstructive character of the tonsils Volume 86, issue 3, Septembre 2015

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* Auteur pour correspondance : joediouf@hotmail.com

Introduction: The role of obstructive tonsils in dental arches abnormalities is widely discussed in the literature but remains controversial. Data on the probable relationship between obstructive tonsils and the presence of these orthodontic abnormalities are subjective. The objective of this study is to quantify the relationship between the obstructive character of the tonsils and the dental arches measurements. Materials and methods: A cross-sectional study was performed in children aged between 6 to 12 years divided into 2 groups (A and B) according to the obstructive character of the tonsils. Dental intra- and inter-arches measurements are recorded on each child. Data is analyzed using SPSS 20.0 for Windows. A t Student and chi square tests are respectively used to compare quantitative and qualitative variables according to the obstructive character of the tonsils. The level of significance is fixed at p = 0.05. Results: The upper dental arch depth is significantly more important in subjects with obstructive tonsils (group B). Dental arches widths are significantly more important in subjects without obstructive tonsils (group A). Group B subjects are significantly more likely to have class II malocclusions, open bite and posterior cross bite with mandibular lateral deviation than group A subjects. Conclusion: Early evaluation of children with obstructive tonsils can prevent dental intra- and inter-arches abnormalities caused by upper airway obstruction. Thus late and more aggressive treatments which are not always as efficient as when they were performed during childhood will be avoided.