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Tropical Dental Journal - 1st Pan African international dental journal


Tropical Dental Journal



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Published in French in Tropical Dental Journal Volume 33 - September 2010 pages 27-34

Cephalometric features of patients referred for Orthodontic Treatment at the dentistry department of Dakar UniversityCephalometric features of patients referred for Orthodontic Treatment at the dentistry department of Dakar University est évalué 1 étoiles par les abonnés Tropical Dental Journal Online

Article Open access

Authors : J.S. Diouf, A. Badiane, P.I. Ngom, G. Niagha, K. Diop-Bâ, F. Diagne - Senegal


Résumé

Introduction : Chaque groupe a des particularités morphologiques qui lui sont propres. L’objectif de ce travail était de déterminer les caractéristiques morphologiques crânio-faciales d’une population sénégalaise.
Matériel et méthodes : Il s’agit d’une étude descriptive transversale portant sur 62 téléradiographies sagittales du crâne de patients sénégalais. Les mensurations ont été faites manuellement sur papier acétate par le même opérateur. Une analyse céphalométrique non spécifique a été réalisée avec 17 mesures (6 linéaires et 11 angulaires). Un test t pour échantillon indépendant a été utilisé pour vérifier si le genre avait un quelconque effet sur l’âge et les variables céphalométriques. Le seuil de signification est fixé à p £ 0,05.
Résultats : Les sujets d’étude (31 garçons et 31 filles) avaient respectivement un âge moyen de 13,84 ± 2,86 ans et 15,16 ± 4,21 ans. Il ressort de la présente investigation qu’il n’existe aucune différence significative entre les sexes. L’échantillon est caractérisé par une promaxillie et une légère rétromandibulie avec son corollaire de classe II squelettique. La moyenne des variables de la dimension verticale suggère une typologie hyperdivergente. L’analyse dentaire indique une vestibulo-version des incisives associée à une biprochéïlie.
Conclusion : Ces résultats qui montrent des différences morphologiques entre les sujets sénégalais et d’autres populations confortent l’idée que les caractéristiques raciales et ethniques doivent être prises en compte au cours du diagnostic céphalométrique et du plan de traitement de ces sujets.

Abstract
Cephalometric features of patients referred for Orthodontic Treatment at the dentistry department of Dakar University

Introduction: Each ethnic group has its own characteristics. The aim of this study was to determine the morphological characteristics of a Senegalese population.
Materials and methods: Sixty two lateral cephalograms of Senegalese patients were assessed in a cross sectional study. All lateral cephalometric films were traced on a transparent cellulose acetate sheet by the same operator. Conventional cephalometric analysis was performed with 17 measurements (6 linear and 11 angular) t test was used to assess differences in age and cephalometric variable between subjects grouped according to sex (male and female). A P value of £ 0.05 was considered statistically significant.
Results: No statistically significant differences were found between Senegalese men and women. This study shows an increase in the maxillary protrusion and a decrease in the mandibular protrusion with his corollary of skeletal class II. The mean of the vertical dimension measurements suggest a hyperdivergence. Protrusive lips were associated with incisors protrusion.
Conclusion: These results which show morphological differences between Senegalese subjects and other populations consolidate the idea that the racial and ethnic characteristics must be taken into account during orthodontic diagnosis and treatment planning.

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