Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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STUDY ON INCIDENCE OF SUPERNUMERARY AND CONGENITAL MISSING TEETH BY ORTHOPANTOMOGRAPHY.

Orthopantomography에 의(依)한 과잉치(過剩齒)와 선천성(先天性) 결손치(缺損齒)의 발생빈도(發生頻度)에 관(關)한 고찰(考察)

  • Cha, Moo-Ho (Dent. of Pedodontics, School of Dentistry, Seoul National University) ;
  • Kim, Jin-Tae (Dent. of Pedodontics, School of Dentistry, Seoul National University) ;
  • Woo, Won-Sup (Dent. of Pedodontics, School of Dentistry, Seoul National University)
  • 차문호 (서울대학교 치과대학 소아치과학 교실) ;
  • 김진태 (서울대학교 치과대학 소아치과학 교실) ;
  • 우원섭 (서울대학교 치과대학 소아치과학 교실)
  • Published : 1975.01.01
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Abstract

We observed the orthopantomography taken by 800 children who came to our pedodontic department, School of Dentistry, S.N.U. and also got the incidence of supernumerary and congenital missing teeth as follows. (1) The children who had supernumerary or congenital missing teeth were 9.75% of all. (2) In incidence of supernumerary teeth, male was 0.50% higher than female. (3) Incidence of conginital missing teeth was 7.0% and male was 1.0% higher than female. (4) Incidence of congeintal missing teeth was mainly arised from mandible.

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