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The relation between overbite and facial, maxillary and mandibular dimensions | ||
| Journal of baghdad college of dentistry | ||
| Article 1, Volume 23, Issue 2, 2011, Pages 105-109 | ||
| Author | ||
| Ali M. Al-Attar | ||
| Abstract | ||
| ABSTRACTBackground: Overbite value is important in treatment of various malocclusions; the aim of this study was toinvestigate the relation between the overbite and facial, maxillary and mandibular dimensions.Materials and methods: The sample of this study included 80 pre-treatment digital true lateral cephalometricradiographs of Iraqi subjects aged 18-25 years, collected from the files of the subjects attending the OrthodonticDepartment in the College of Dentistry, University of Baghdad. The 80 radiographs were divided into four groups (20radiographs each) according to overbite value. Three angular, fifteen linear measurements and two ratios wereused.Results: There were significant differences in most vertical linear measurements, while no significant differences inhorizontal linear measurements between over bite groups also there were strong negative correlation between overbite and SN-MP, PP-MP, gonial angles.Conclusions: There were significant correlation between over bite and facial, maxillary and mandibular dimensions.Patients in open bite group showed longer lower facial height, maxillary and mandibular alveolar and basal heights,symphyseal height and tendency toward backward rotation of the mandible than other overbite groups patients.Key words: Overbite, facial dimensions. (J Bagh Coll Dentistry 2011;23(105-109). | ||
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