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Revista Cubana de Estomatología
versão On-line ISSN 1561-297X
Resumo
MARIN MANSO, Gloria M. et al. Validation of Tanaka-Johnston equation in Yemeni schoolboys. Rev Cubana Estomatol [online]. 2009, vol.46, n.4, pp. 23-31. ISSN 1561-297X.
In space-analysis it is necessary a comparison between the available space and the necessary space in teeth alignement. The well-used Tanaka-Jhonston space analysis is questioned when it is applied in different populations; thus, the aim of present study was to determine the mesiodistal width of mandibular incisives, canines and premolar and of maxillary canines and premolar to validate the Tanaka-Johnston analysis according to sex in 100 Yemeni students aged from 12 to 16. There were statistically significant differences in mesiodistal width of canines and premolars according sex, except for the second maxillary premolar. The Tanaka-Johnston equation overrates the mesiodistal width of oral segments in this population.
Palavras-chave : Tanaka-Johnston equation; canines and premolar mesiodistal width.