A Statistical Study on the Tooth Mortality and Replacement of Korean

한국인(韓國人)의 치아상실(齒牙喪失)과 회복(回復)에 관(關)한 통계학적(統計學的) 고찰(考察)

  • Kim, Myong-Dong (Department of Dental Prosthesis, Graduate School, Seoul National University)
  • 김명동 (서울대학교 대학원 치의학과 보철학)
  • Published : 1968.12.31

Abstract

A total of 11,039 permanent missing teeth and their 2,696 prosthetic replaced teeth in 6,123 Korean patients were selected for this study, Analyzing the data according to age, sex, jaw and the location, following results were obtained. 1. Tooth mortality and replacement were higher in female than in male. 2. Replaced teeth were only 24 percent of missing teeth. 3. More teeth were extracted and replaced on lower jaw in young patients and on upper jaw in old patients. 4. There are no significant difference in right and left sides of both jaws in missing and replaced teeth, respectively. 5. First molar was the highest percentage in both mortality and replacement. 6. Upper tooth mortality and replacement were higher in anterior portion and lower in posterior portion.

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