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KMID : 0358920090360010046
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Journal of the Korean Academy of Pedodontics
2009 Volume.36 No. 1 p.46 ~ p.52
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THE DIFFERENCE OF THE SKELETAL MATURATION OF CERVICAL VERTEBRAE BETWEEN VERTICAL AND HORIZONTAL SKELETAL PATTERNS IN THE ADOLESCENTS
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Ko Tak-Gyun
Ra Ji-Young
Chun Sang-Woo
Kang Kyung-Hwa
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Abstract
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The purpose of this study was to compare the skeletal maturation of cervical vertebrae according to vertical skeletal patterns in the adolescents. Lateral cephalograms of 198 subjects(10 years old), 216 subjects(12 years old), and 138 subjects(14 years old) were reviewed, and subjects were classified according to vertical skeletal patterns. The 30 subjects were selected with the greatest predominance of vertical growth, and the other 30 subjects, with the greatest predominance of horizontal growth; these subjects comprised the vertical and horizontal groups, respectively. For evaluating of skeletal maturation, the concavity of inferior border and verticohorizontal ratio of cervical vertebrae were observed and measured according to age. The measurements were analyzed statistically by SPSS computerized program. The results were as follows : In general, the concavity of the inferior border of the cervical vertebrae was greater in the horizontal group than the vertical group in all of the 10, 12, 14 year olds, but was not statistically significant. The vertico-horizontal ratio of the 3rd and 4th vertebra of the horizontal groups was a significantly larger than the vertical groups in 12 year olds but did not show any statistical significance in 10 and 14 year olds. There were a weak negative correlations between SUM, FMA and the vertico-horizontal ratio for each groups at 12 ages.
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KEYWORD
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Skeletal maturation of cervical vertebrae, Vertical skeletal pattern, Horizontal skeletal pattern
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