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한국인의 안정위시 상악중절치 노출량에 관한 연구 원문보기
(A) study on exposure length of Maxillary central incisor in rest position in Korean

  • 저자

    박준섭

  • 학위수여기관

    高麗大學校 臨床齒醫學大學院

  • 학위구분

    국내석사

  • 학과

    수복치과학과

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    19p.

  • 키워드

    한국인 안정위시 상악중절치 노출량;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10068082&outLink=K  

  • 초록

    Attention to esthetics in dentistry have been increased in both patients and dentists. There have been many studies for the relationship between lips and teeth, which is very important in esthetic prosthodontics. Many studies include exposed amount of maxillary incisor under rest position, length and exposed amount of teeth, and exposed amount of gingiva under big smile. There are also various studies about shapes and locations of maxillary central incisor those are very critical for facial esthetics under big smile as well. This study is intended to provide a referable information of exposed amount of maxillary central incisor of Korean by ages and gender under rest position. The result of this study will give guidelines for making prothesis. The subjects of this study are patients of Charmgoun Dental Hospital in Busan, Korea. A statistical analysis was conducted after taking digital photos of patients' teeth with a ruler and measuring the length of teeth on the computer program. The results of this study were as follows : 1. The length of maxillary central incisor that exposed under upper lip is decreased by increasing age in rest position.; the average length is 3.455mm in 20s, 2.525mm in 30s, and 1.543mm in 40s. 2. The exposal length in females is more than males, average length is 2.796mm in female and 2.342mm in male. However, there is not significant difference between the genders. 3. The exposed average length of maxiallry central incisor under upper lip is 2.618mm at rest. 4. The clinical crown average length of maxillary central incisor is 10.195mm, but incresing age, there is no significant defference. 5. There is significant difference between the genders in the clinical crown length of maxillary central incisor.; the length is 10.637mm in men, 9.90mm in women.


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