Midfacial growth patterns in males from newborn to 5 years old based on computed tomographyстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 4 сентября 2018 г.
Аннотация:Objectives: Growth patterns of the human facial skeleton have been of great interest
and importance for biological anthropologists, forensic scientists, craniofacial sur-
geons, and orthopedists. Nevertheless, growth trends of the facial skeleton in infancy
and early childhood are still poorly known and clinical CT data have been insuffi-
ciently used for studying craniofacial ontogeny. The purpose of this study was to
provide a comprehensive quantitative description of human midfacial ontogeny in
infancy and early childhood, and to contribute to debates regarding the role of modu-
larity vs. integration in shaping the human face.
Methods: Our dataset includes 146 high resolution clinical CT datasets of males
from the 2nd to 6th years of life and 101 dataset of infants (males) in the 1st year of
life. Forty landmarks were collected from each 3D reconstructed skull, then 25 linear
measurements describing the morphological features of the facial skeleton were cal-
culated. The integration/modularity issue was addressed via comparison of intragroup
correlation matrices at different ages.
Results: Growth trends for all the measurements are presented in charts and tables
of statistical parameters that can be used as normative data. The midfacial variables
display a great diversity of growth patterns. The correlation structure of the measure-
ments is different at different ages.
Conclusions: Variables commonly assigned to the same unit of the facial skeleton
can exhibit rather different growth trends, but some measurements display seemingly
coordinated patterns of growth change. The level of interindividual variation of most
measurements is stable after the second half of the first year of life.
статья 18 стр.