http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
한국인 정상교합자의 3차원 디지털 모형을 이용한 순,협측 치면 곡률
채지현,송진욱,차정열,최정수,박영철 대한치과교정학회 2008 대한치과교정학회지 Vol.38 No.2
본 연구는 한국인의 치아형태에 적합한 브라켓 베이스를 만들기 위해 임상 치관의 순, 협측 곡률을 3차원적으로 계측하여 치관의 곡률 자료를 얻고자 하였다. 정상적인 해부학적 형태를 가지는 구강모형 30쌍을 3차원 디지털 모델로 제작한 후, FA점을 기준으로 수평 기준면과 수직 기준면을 설정하였다. 이 기준면에 대한 치면의 곡선을 형성한 후, 곡률을 이차방정식의 계수로 표현하였다. 수평면과 수직면의 곡률과 FA점을 기준으로 근심과 원심, 치은측과 교합면측의 곡률을 측정한 결과, 상악견치와 상악 제2소구치 외에는 남녀간 치면 곡률의 유의한 차이가 없었다. 하악 측절치, 상악 견치, 상하악 제1, 2소구치와 제1대구치에서 근원심 또는 치은교합면측 치면 곡률의 유의한 차이가 관찰되었다 (P < 0.05). 본 연구에서 얻어진 순, 협측 치면의 곡률 자료는 한국인의 치아 형태에 적합한 Straight Wire Appliance 개발의 기초 자료로 활용될 수 있다. Objective: This study was performed to investigate the labio/buccal clinical crown curvatures of Korean permanent teeth and to obtain the curve-ratio data in an attempt to fabricate bracket bases fit for each individual Korean permanent tooth. Methods: Three-dimensional digital models were made from 30 sets of dental casts with normal anatomic structures. According to the FA points, horizontal and vertical reference planes were established and lines were drawn on the tooth surfaces in reference to these planes. The curvature was expressed as the coefficient of a quadratic equation. Lines mesial, distal, gingival and occlusal to the horizontal, vertical reference planes and the FA point were drawn. Results: The curvature measured for each line revealed that there are no significant differences between male and female, except for maxillary canines and maxillary second bicuspids (P > 0.05). There were notable differences in the mesio-distal or gingivo-occlusal curvatures among the mandibular lateral incisors, maxillary canines, maxillary and mandibular first and second bicuspids and first molars (P < 0.05). Conclusions: The labial & buccal crown curvatures of teeth in Korean normal occlusion were measured on the mesial and distal, gingival and occlusal sides respectively in this study. Based on these data, a SWA can be developed to fit the individual features of Korean tooth crowns.
김현주,채지현 한성대학교 인문과학연구원 2008 소통과 인문학 Vol.7 No.-
This study was performed to develope and applicate of food and culture education program that could help elementary school students to understand multi-culture. Developed Food and culture education program consisted of 11 lessons. The contents of the programs were as follows: Korean traditional food, Asia food, Western food and multi-culture etc. This program had been applied to a class of experimental group consisting of 6th graders. As a result of the study, the following findings have been made. Firstly, the students developed a great sense of pride for ones own culture and also learned through the process of cooking that there are many similarities as well as differences within family culture, from country to country. Secondly, the students able to experience a close connenction of intimacy with different group of people and various culture. The food and culture education program enabled the elementary school students to understand multi-culture and to improve the cognition and attitude significantly. Thirdly, most of the students also responded that their interests on food and culture, which proves the integrative educational effects significantly of the program. While the students developed an understanding for the diversity among culture, they also embraced a new respect towards other culture as well. After food and culture education program, students were satisfied and interested in korean traditional food and multi-culture. The positive effects on understand multi-culture and food knowledge of the elementary school students. It showed that programs of food and cultures for understanding multi-cultures can provide wide knowledge and indirect experiences about Korean traditional food cultures, foreign food cultures and various foods. Therefore, in the first-line of teaching this study will be a useful reference for various teaching method and contents for teachers to appropriately implement into their classrooms for the future.