대한치과교정학회지 (The korean journal of orthodontics)

  • 제9권1호
  • /
  • Pages.15-22
  • /
  • 1979
  • /
  • 2234-7518(pISSN)
  • /
  • 2005-372X(eISSN)
대한치과교정학회 (The Korean Association Of Orthodontists)
권호 표지

Hellman 치령(齒齡) IVA 정상인(正常人)에 관(關)한 두부방사선학적(頭部放射線學的) 연구(硏究)

A ROENTGENOCEPHALOMETR1C STUDY OF THE CHILDREN WITH NORMAL OCCLUSION IN HELLMAN DENTAL AGE IVA

  • 이동주 (서울대학교 대학원 치의학과 교정학 전공)
  • Lee, Dong Joo (Dept. of Orthododontics, Graduate School, Seoul National University.)
  • 발행 : 1979.12.30
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초록

This study was undertaken to establish the cephalometric standard of Hellman dental age IVA group 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 and lower lip of esthetic line were gradually decreased with. age. 5) Upper incisor was gradually labioversioned with age.

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