Reliability of Moyers and Tanaka Johnston Mixed Dentition analysis in school children of Belgaum
Journal Title: IP Indian Journal of Orthodontics and Dentofacial Research - Year 2016, Vol 2, Issue 4
Abstract
Context: The accuracy of Moyers proportionality tables and Tanaka and Johnston equations are fairly good when applied to children from northern European descents from which data were originally obtained. Because racial difference in mesiodistal tooth width is said to exist it is logical to doubt their applicability in other population. Aims: The purpose of this study are to test the reliability of Moyers mixed dentition analysis and Tanaka Johnston equations in Belgaum population, so as to aid in treatment planning for the orthodontists in this region. Methods and Material: A cross-sectional study comprising hundred subjects of Belgaum population who met our criteria (ages, 14-16 years; 50 boys, 50 girls) were selected from local schools. Mesiodistal dimensions of permanent mandibular incisors, maxillary and mandibular canines, and premolars were measured using a digital caliper with a resolution of 0.01 mm. Statistical analysis: Students unpaired âtâ test was used to compare the sex differences between the groups of teeth. Correlation and regression analysis were performed and standard regression equations for both sexes combined and for males and females separately were developed.
Authors and Affiliations
Vijayashree U H, Vijay R. Naik
Keywords
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