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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

SANDOVAL, Paulo et al. Cephalometric Measurements in Lateral Radiographs ofFive-Year-Old Pre-Schoolers in the City of Temuco. Int. J. Morphol. [online]. 2011, vol.29, n.4, pp.1235-1240. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022011000400028.

The lack of validated cephalometric parameters in the pediatric population of our region to learn craniofacial development, there is a need to know approximate measurements of different patterns that present in the child population. The present study of cross-sectional cephalometric measurements in five-year-old children, which was performed with a straight non-probability sample, consisting of 30 boys and 30 girls from municipal schools in Temuco in 2009 with full dentition, non-Mapuche with facial symmetry, centered midline, with tray or flat mesial post straight, without prior orthodontic treatment with parental consent in writing. 12 parameters were measured as described by different authors. According to the Student's t tests statistically significant facial axis values and posterior facial height were found according to sex. With respect to the values of Wits, the results show that the median values for male is 1.0 mm while for the female corresponds to 1.5 mm. By applying the Pearson correlation coefficient for the variables studied we found direct proportional linear relationship between SNA and SNB angles (0.75), SNA and BA-S-Na (0.5) and ANB angle and analysis Wits (0.6), while relating the angle variables SNB angle Ba-S-Na (-0.7) the linear relationship is inversely proportional. We conclude that there are differences to the international standard and noted that at this age Chilean children have a jaw slightly in retroposition.

Keywords : Cephalometry; Child; Preschool.

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