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Abstract


This study was undertaken to establish the cephalometric standard of Hellman dental age 1VA groups of Korean. The subjects consisted of 40 males and 44 females with normal occlusion and aceptable profile.
The results were obtained.
1) The tables of standard deviation from the measurements were made.
2) All linear measurement was greater in male than in female.
3) Female had more convex profile than male.
4) Facial convexity, upper aLd lower lip of esthetic line were gradually decreased with age.
5) Upper,incisor was gradually lavioversioned with age.

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KCI