Variation with age of dental cephalometric variables in Class II, division 2 patients - 12/03/12
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Summary |
The treatment of Angle Class II/2 malocclusion requires an understanding not only of the dental and maxillofacial features but also of the changes occurring with age in the dental relationships. This paper attempts to determine certain dental relationships in patients with Angle II/2 malocclusion and any changes that might occur with age. The study material included 96 lateral cephalometric X-rays of patients with Angle II/2 malocclusion, the youngest of whom was 7years old and the eldest 35. Six cephalometric measurements were performed on every cephalometric X-ray. Statistical processing of data included one-variable analyses and correlations of two variables. Statistical one-variable analysis used methods from descriptive statistics. Methods of inferential statistics have been applied in order to revel statistical significance. The evaluation of the findings of this research study concluded that, in patients with Angle II/2 malocclusion, maxillary central incisors presented pronounced palatal tipping, which exacerbated significantly with age, while mandibular incisors displayed reduced labial tipping and projection, which significantly reduced with age. Furthermore, it was found that there was pronounced incisor overjet, which increased with age, due to increased protrusion of mandibular incisors.
Le texte complet de cet article est disponible en PDF.Key-words : Class II/2, Dental relationship, Cephalometric analysis, Age
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Vol 10 - N° 1
P. 110-121 - mars 2012 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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