Cephalometric comparison between subjects with normal occlusion and with Class II division 1 malocclusion
Keywords:
cephalometry, dental occlusion, comparisonAbstract
The aim of this study was to compare cephalometric measurements of tooth and maxillofacial structures, ie, skeletal, dentoalveolar and soft tissue, in a sample of 40 Mexican untreated children aged 9-14 years of both sexes (20 with normal occlusion and 20 with class II division I malocclusion. Clark´s cephalogram was used in the evaluation. The skeletal analysis did not show any significant differences in cranial bases of both groups; however, condylar axis angle values decreased in Class II group (p< 0.0041. A marked difference was also observed in ANB angle (P< 0.000) fundamentally caused by the retrognatic position of the jaw. From the dental viewpoint, both groups showed dentoalveolar biprotusion, but more pronounced in Class II group. The linear measurements showed no differences between the groups; mandibular length (p< 0,003) and mandibular body length (p<0,001) had smaller values in Class II division 1 subjects.Downloads
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