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한국아동의 악안면성장에 관한 유한요소법적 연구

Other Titles
 (A) study on craniofacial growth analysis of Korean children by the finite element method 
Authors
 탁선근 
Issue Date
1988
Description
치의학과/박사
Abstract
[한글] 악안면부의 성장은 많은 골격요소에 의하여 영향을 받는다. 성장변화에 대한 분석은 여러가지 방법으로 이루어졌지만, 대부분 기준면(reference plane)과 기준점(reference point)에 대한 상대적평가로 일관되어 왔다. 그러나 악안면부위는 국소적성장이 전체 성장에 영향을 미치므로 이에 대한 절대적인 평가가 수반되어야 한다. 이를 위해서는 임상적으로 유용한 방법이 필요할 것이라고 생각된다. 저자는 남·녀 각 15명에 대한 누년적 두부방사선 계측사진을 유한요소법적으로 분석하여 다음과 같은 결론을 얻었다. 1. 두개안면골 및 연조직을 유한요소법적으로 분석하여 국소적 성장에 대한 독립적인 평가를 할 수가 있었다. 2. 두개안면골 및 연조직을 유한요소법적으로 분석하여 산출된 각 strain값은 연령을 독림변수로 하는 회귀방정식을 유도할 수 있었으며 이는 성장예측에 이용될 수가 있겠다. 3. 전두개저의 성장은 다른 안면골의 성장과는 다른 양상을 보였다. 4. 후두개저의 성장은 인두상부, 중안면부, 상악골, 하악골후방 성장에 영향을 미쳤다. 5. 상악골은 수평성장량 보다는 수직성장량이 많았다. 6. 하악골 각 요소의 성장은 하악지부, 하악체, 치조골부분에서 각기 다른 성장양상을 보였다. 7. 경조직과 연조직관계에 대한 유한요소법적 해석은 변이가 많았다. A STUDY ON CRANIOFACIAL GROWTH ANALYSIS OF KOREAN CHILDREN BY THE FINITE ELEMENT METHOD Seon-Gun Tahk, D.D.S., M.S.D. Department of Dental Science, Graduate School, Yonsei University (Directed by Asso. Prof. Young-Chel Park, D.D.S, M.S.D., Ph.D) Craniofacial complex is influenced by numerical skeletal elements. Though the analysis of growth change has been done by various analytical methods, it was dependent on any method of registration and superimposition, based on reference plane and reference point. However, the craniofacial growth is composed of a number of local growth elements. Therefore, it will be necessary to use a clinically useful method for estimating craniofacial skeletal growth independently. The author analysed logitudinal cephalometric roentgenogram of 15 Korean males and 15 Korean females aged from 6 to 12 years by the finite element method and results were as follows: 1. The finite element method for craniofacial skeletal complex and soft tissue made it possible to analyze the independent local growth. 2. Regression equations from the value of each strain will make it possible to predict the craniofacial growth. 3. The growth of anterior cranial base was different from that of other facial bone. 4. The growth of posterior cranial base influenced the growth of upper pharyngeal portion, midfacial portion, maxilla and posterior portion of mandible. 5. The growth of maxillary complex was vertical rather than horizontal. 6. The growth direction of ramps, mandibular body, alveolar bone was various. 7. The relation between hard tissue and soft tissue by finite element method was variant.
[영문] Craniofacial complex is influenced by numerical skeletal elements. Though the analysis of growth change has been done by various analytical methods, it was dependent on any method of registration and superimposition, based on reference plane and reference point. However, the craniofacial growth is composed of a number of local growth elements. Therefore, it will be necessary to use a clinically useful method for estimating craniofacial skeletal growth independently. The author analysed logitudinal cephalometric roentgenogram of 15 Korean males and 15 Korean females aged from 6 to 12 years by the finite element method and results were as follows: 1. The finite element method for craniofacial skeletal complex and soft tissue made it possible to analyze the independent local growth. 2. Regression equations from the value of each strain will make it possible to predict the craniofacial growth. 3. The growth of anterior cranial base was different from that of other facial bone. 4. The growth of posterior cranial base influenced the growth of upper pharyngeal portion, midfacial portion, maxilla and posterior portion of mandible. 5. The growth of maxillary complex was vertical rather than horizontal. 6. The growth direction of ramps, mandibular body, alveolar bone was various. 7. The relation between hard tissue and soft tissue by finite element method was variant.
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/117285
Appears in Collections:
2. Thesis / Dissertation (학위논문) > 2. College of Dentistry (치과대학) > Ph.D. (박사)
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