Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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STUDIES OF ERUPTION DEGREE ON PERMANENT SECOND MOLARS

제2대구치(第二大臼齒)의 맹출도(萌出度)

  • Hwang, Eui-Kang (Dept. of Pedodontics, Graduate School, Seoul National University) ;
  • Park, In-Ja (Dept. of Pedodontics, Graduate School, Seoul National University) ;
  • Lee, Keung-Ho (Dept. of Pedodontics, Graduate School, Seoul National University)
  • 황의강 (서울대학교 대학원 치의학과 소아치과학) ;
  • 박인자 (서울대학교 대학원 치의학과 소아치과학) ;
  • 이긍호 (서울대학교 대학원 치의학과 소아치과학)
  • Published : 1974.01.01
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Abstract

505 girls were studied on the eruption of second molar clinically. 1. Eruption rate was 9.04% earlier in mandible than in maxilla. 2. Average age of eruption was 12.53 years old in maxilla and 11.73 in mandible. 3. There is no significant right and left arch, 4. Generally, period of eruption in Korean was slightly retarded as compared to that of foreigners.

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