Abstract

JIMENEZ, Iván Darío; VILLEGAS, Luisa Fernanda  and  ALVAREZ, Luis Gonzalo. Vertical facial growth in 44 untreated colombian subjects from 6-to 25 years of age. CES odontol. [online]. 2011, vol.24, n.2, pp.9-32. ISSN 0120-971X.

Introduction and Objetive: The postnatal craniofacial growth is a complex process that continues even after 20 years of age. To quantify for the first time, the anterior (AFA) and posterior vertical facial (AFP) developmental growth, in a mestizo Colombian and a latin-american population. Materials and Methods: Biannual cephalometric follow-up of 44 subjects with normal facial appearance and without any type of orthodontic treatment. Results: There was a continuous decrease of the mandibular plane angle SN / PM in both sexes. There were continuous increases in the AFA and AFP with significant differences by sex after the age of 16. The pubertal peak for women in the AFA and AFP was about 13 years of age, and for men around the age of 15. This general trend showed significant individual variations. Before the age of 11, 63% of the sample had biannual increments over 3 mm, after the age of 16, 29,5% of the subjects had biannual increases more than 2 mm. Women after the age of 18 had no clockwise mandibular rotation, neither did men had counterclockwise mandibular rotation. Conclusions: It is shown that there is an important difference between this study and other studies reported from Caucasian populations in terms of individual variability, presence of various growth spurt stages in the vertical facial height pre-and postpuberty. There was a non specific gender tendency of mandibular rotation after 18 years of age. These differences are not due to genetic or nutritional changes, but probably normal vertical facial growth changes.

Keywords : Craniofacial growth; Cephalometric; Longitudinal; Vertical facial growth.

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