A LONGITUDINAL STUDY ON CHANGES OF BONY AND SOFT TISSUE OF CHILDREN IN AGED 7 THROUGH 9 YEARS OLD

E 국민학교생 7~9세 아동에 있어서 경조직과 연조직의 변화에 관한 누년적 연구

  • 김관세 (연세대학교 치과대학 교정학교실) ;
  • 류영규 (연세대학교 치과대학 교정학교실)
  • Published : 1982.12.30

Abstract

The purpose of this study was to investigate the changes of bony and soft tissue by the growth Each 50 boys and girls was studied aged 7 through 9 years old. The results were as follows; 1. Thickness of soft tissue was increased by the growth and much more done in boys than in girls. 2. In the linear measurement of soft tissue change of A-A' was most remarkable. 3. Nose length was increased in both boys and girls. Remarkable change was observed in male aged 8 through 9 years old and in female aged 7 through 8 years old. 4. In the linear measurement of bony tissue change, S-Pg, Go-Me, S-A, and S-N were increased in sequence. 5. Point-A and Pg in bony tissue grow more downward direction than forward. 6. In the angular measurement, no significant change was observed.

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