Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)
- Volume 32 Issue 4
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- Pages.693-702
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- 2005
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- 1226-8496(pISSN)
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- 2288-3819(eISSN)
TIMING AND SEQUENCE OF ERUPTION OF PERMANENT TEETH IN A SAMPLE OF CHILDREN FROM YONSEI DENIAL HOSPITAL
연세대학교 치과병원에 내원한 어린이에서의 영구치 맹출 시기 및 순서
- Kang, Tae-Sung (Department of Pediatric Dentistry, College of Dentistry and Oral Science Research Center, Yonsei University) ;
- Choi, Byung-Jai (Department of Pediatric Dentistry, College of Dentistry and Oral Science Research Center, Yonsei University) ;
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Kwon, Ho-Keun
(Department of Preventive Dentistry, College of Dentistry and Oral Science Research Center, Yonsei University) ;
- Son, Heung-Kyu (Department of Pediatric Dentistry, College of Dentistry and Oral Science Research Center, Yonsei University) ;
- Choi, Hyung-Jun (Department of Pediatric Dentistry, College of Dentistry and Oral Science Research Center, Yonsei University)
- 강태성 (연세대학교 치과대학 소아치과학교실, 구강과학연구소) ;
- 최병재 (연세대학교 치과대학 소아치과학교실, 구강과학연구소) ;
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권호근
(연세대학교 치과대학 예방치과학교실, 구강과학연구소) ;
- 손흥규 (연세대학교 치과대학 소아치과학교실, 구강과학연구소) ;
- 최형준 (연세대학교 치과대학 소아치과학교실, 구강과학연구소)
- Published : 2005.11.30
Abstract
Accurate timing and sequence of eruption of permanent teeth are indicies of growth and essential for pediatric dentistry and pediatric clinical orthodontics. From the children brought to the Yonsei Dental Hospital during 2001 to 2003, 654 boys and 542 girls, ranging in age from five to fourteen years, were selected and analysed. The following was concluded. 1. Eruption time of maxillary teeth is 6.81 years in boys, 6.78 years in girls for central incisor, 8.30 years in boys, 7.98 years in girls for lateral incisor, 10.28 years in boys, 10.04 years in girls for canine, 9.74 years in boys, 9.90 years in girls for first premolar, 10.87 years in boys, 10.41 years in girls for second premolar, 6.25 years in boys, 6.54 years in girls for first permanent molar, 12.21 years in boys, 12.03 years in girls for second permanent molar 2. Eruption time of mandibular teeth is 6.00 years in boys, 6.06 years in girls for central incisor, 6.99 years in boys, 6.74 years in girls for lateral incisor, 9.83 years in boys, 9.17 years in girls for canine, 9.92 years in boys, 9.75 years in girls for first premolar, 10.66 years in boys, 10.39 years in girls for second premolar, 5.99 years in boys, 5.75 years in girls for first permanent molar, 11.92 years in boys, 12.17 years in girls or second permanent molar. 3. The following eruption sequence was observed the first permanent molar erupted first, followed by the central incisor, the lateral incisor, the first premolar, the canine, the second premolar and the second permanent molar in the maxilla. The first permanent molar erupted first, followed by the central incisor, the lateral incisor, the canine, the first premolar, the second premolar and the second permanent molar in the mandible.
치아의 정확한 맹출 시기와 그 순서는 어린이의 발육 성숙도의 지표로서 소아치과 임상 및 예방 교정치료에 있어서 매우 중요하다. 이에