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Revista Cubana de Estomatología
versión impresa ISSN 0034-7507versión On-line ISSN 1561-297X
Resumen
FERREIRO MARIN, Adis; MARIN MANSO, Gloria M.; ALFONSO BETANCOURT, Natividad y MASSON BARCELO, Rosa M.. Assessment of Tanaka-Johnston equation in Cuban students presenting normal occlusion. Rev Cubana Estomatol [online]. 2010, vol.47, n.3, pp.276-284. ISSN 0034-7507.
The Tanaka-Johnston analysis used at worldwide to predict the space of non-erupted canines and premolars has been questioned due to the variability in the teeth size among different populations and also to be carried out in non-applicable whole ethnic group. A cross-sectional and descriptive study was conducted to determine the mesiodistal width of mandibular incisives, canines and premolars, as well as of danines and premolar-maxillary and to compare the real sum of these theeth with the estimates by Tanaka-Johnston, according to sex and the arcade. Universe of this research included 50 students of Stomatology Faculty of havana (25 males and 25 females) presenting with normal occlusion, without a history of Orthodontics treatment all of them descendants of Cubans. In results it was noted that the mesiodistal widths of incisives, canines and first lower premolars and of canines and second left premolars upper are greater in male sex than in the female one. The real sum of upper and lower canines and premolars was greter in male sex than in the female one. Comparing the real sum of canines and premolars with that estimated according Tanaka-Johnston, it was noted that it overestimated the values of canines and premolar since the results were significantly lower.
Palabras clave : Tanaka-Johnston equaction; non-erupted teeth; mesiodistal width.