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KMID : 0361919970270020181
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Korean Journal of Orthodontics
1997 Volume.27 No. 2 p.181 ~ p.196
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A Longitudinal study on Growth Changes of Soft Tissue Profiles in Koreans with Normal Occlusion
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Abstract
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The purpose of this study was to describe growth changes of soft tissue profile in koreans with normal occlusion and to get differences between male and female.
The biennial serial cephalometric radiographs of 26 samples (15 males, 11 females) with normal occlusion from 8.5 years to 18.5 years of age were used in this study.
The following results were obtained :
1. Both sexes had lower facial parts more protruded at 18.5 years of age than 8.5 years of age : in total facial convexity angle, male showed a decrease(P0.05).
2. In the growth changes of soft tissue thickness, male outgrew female in the areas of nose and upper and lower lips, and female outgrew male in the pogonion area
3. In the growth changes of upper facial height and upper part of lower facial height, male´s was higher than female´s growth (P4. The ratio of the upper facial height over the lower facial height showed a decrease at 18.5 years of age than 8.5 years of age(PO.05).
5. Male showed a sustained change into older age compared with female in soft tissue profiles
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