The relationship between the chin and anteroposterior cephalometric indices in an Iranian Population
Journal Title: International Journal of Medical Research & Health Sciences (IJMRHS) - Year 2016, Vol 5, Issue 8
Abstract
The morphology of mandibular symphysis is considered as one of references for the profile evaluation. This study tried to investigate the relationship between anteroposterior profile cephalometric indicators and indicators related to the chin in lateral cephalometric radiography. This observational analytical study (historical cohort) is performed in the School of Dentistry of Isfahan university of Medical Science. The study was conducted on 201Lateral cephalometry. 67 samples in each group containing 67 class I Patient , 67 adult patients with class II and 67 adult class III patients. Indices that analyzed Are : B-B1-GN , Si to Li-PGS B-B1-GN , Id-B to Mp ,Id-B to Mp , Si to Li-PGS ,PG-ME-GO ,Basal Symphisis Width ,Alveolar Symphysis Width , Symphysial Axis , Basal Ratio , Alveolar Ratio , Basal Symphysis Angle and Alveolar Symphysis Angle . Data analyzed by using the Spearman test and ANOVA. Statistical test results showed that there is a correlation between anteroposterior and factor B-B1-GN and SitoLi-PGs. Based on the results of analysis of variance, and Tukey test of classification I and II factor POGME-GO, the classification I and III factor of B-B1-GN and Si to Li-PGS and the classification II and III B -B1-GN, Id-B to Mp, Id-B to Mp, Si to Li-PGS, PG-ME-GO , Alveolar Symphysis Width, Alveolar Ratio, Basal Symphysis Angle and Alveolar Symphysis Angle , there is a significant difference. There is a significant difference in chin form in various skeletal classes.
Authors and Affiliations
Rastin Sadeghian| Dentistry Student, Dental Students Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran, Mohammad Monirifard| Dental material Research Center, Department of Orthodontics, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran, Saeid Sadeghian| Dental Research Center, Department of Orthodontics, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran Corresponding Email:Dr.rastinsadeghian@gmail.com
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