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121.

Effects of continuous force application for extrusive tipping movement on periapical root resorption in the rat mandibular first molar

Yoshiro Matsumoto, Siripen Sringkarnboriboon, Takashi Ono 대한치과교정학회 The Korean Journal of Orthodontics 7 Pages

대한치과교정학회 The Korean Journal of Orthodontics 2018, 제 48권 제 5호 8 339-345 (7 pages)

Yoshiro Matsumoto, Siripen Sringkarnboriboon, Takashi Ono 저
...
- 무료
of the length, depth, and area. Results: The rat mandibular first molars were mesially tipped and extruded in the occlusal direction. This mesio-occlusal tipping movement and occlusion resulted in the formation of a compression zone and active root resorption lacunae in the distoapical third of the distal roots. However, there was no significant difference in the amount of root resorption between the two experimental groups. The control group did not exhibit any active root resorption lacunae....
122.

Displacement and stress distribution of the maxillofacial complex during maxillary protraction using palatal plates

Jusuk Eom, Mohamed Bayome, Jae Hyun Park, Hee Jin Lim, Yoon-Ah Kook, Seong Ho Han 대한치과교정학회 The Korean Journal of Orthodontics 12 Pages

대한치과교정학회 The Korean Journal of Orthodontics 2018, 제 48권 제 5호 4 304-315 (12 pages)

Jusuk Eom, Mohamed Bayome, Jae Hyun Park, Hee Jin Lim, Yoon-Ah Kook, Seong Ho Han 저
...
- 무료
Objective: The purpose of this study was to analyze initial displacement and stress distribution of the maxillofacial complex during dentoskeletal maxillary protraction with various appliance designs placed on the palatal region by using three-dimensional finite element analysis. Methods: Six models of maxillary protraction were developed: conventional facemask (Type A), facemask with dentoskeletal hybrid anchorage (Type B), facemask with a palatal plate (Type C), intraoral traction using a...
123.

Histomorphometric evaluation of the bone surrounding orthodontic miniscrews according to their adjacent root proximity

Hyun-Ju Oh, Jung-Yul Cha, Hyung-Seog Yu, Chung-Ju Hwang 대한치과교정학회 The Korean Journal of Orthodontics 9 Pages

대한치과교정학회 The Korean Journal of Orthodontics 2018, 제 48권 제 5호 2 283-291 (9 pages)

Hyun-Ju Oh, Jung-Yul Cha, Hyung-Seog Yu, Chung-Ju Hwang 저
...
- 무료
in the bone–implant contact (BIC, %) among the root proximity groups and loading time groups were determined using statistical analyses. Results: No BIC was observed within the bundle bone invaded by the miniscrew threads. Narrowing of the periodontal ligament space was observed in cases where the miniscrew threads touched the bundle bone. BIC (%) was significantly lower in the high root proximity group than in the low root proximity and safe distance groups. However, BIC (%) showed no...
124.

측두하악장애(Temporomandibular disorder, TMD) 환자에 대한 교정의사측면의 이해

김종태 대한치과교정학회 The Korean Journal of Orthodontics 5 Pages

대한치과교정학회 The Korean Journal of Orthodontics 1995, 제 25권 제 5호 12 635-639 (5 pages)

김종태 저
...
- 무료
125.

Report on a case treated with lingual multibracket appliance

Hee-Moon Kyung 대한치과교정학회 The Korean Journal of Orthodontics 11 Pages

대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 6호 6 705-715 (11 pages)

Hee-Moon Kyung 저
...
- 무료
The lingual multibracket appliance was developed to overcome the unesthetic nature of traditional fixed orthodontic labial appliances; however, treatment with this appliance was regarded as very difficult as well as a time-consuming. Recently, these problems have been reduced because of advances in lingual bracket systems, improved indirect bonding technique and the development of more flexible wires. There has been a marked increase in the number of adults desiring orthodontic treatment over...
126.

The effects of posterior retraction on the displacement of the maxilla

Bo-Yeong Yoo, Jong-Chul Kim 대한치과교정학회 The Korean Journal of Orthodontics 13 Pages

대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 6호 5 691-703 (13 pages)

Bo-Yeong Yoo, Jong-Chul Kim 저
...
- 무료
Three-dimensional finite element model was made from adult skull to find desirable direction of retraction force to treat skeletal class II malocclusion. The retraction force of 400g was applied to the first molar. The direction of the force application was 23° downward, parallel, 23° upward and 45` upward to the occlusal plane. The stress distribution and the displacement within the maxilla were analyzed by three-dimensional finite element method. The findings obtained were as follows: 1....
127.

A study on chondrogenic potential in mandibular and limb bud mesenchymal cells of human embryos : A possible role of protein kinase C

Yoon-Ah Kook, Eun-Cheol Kim, Sang-Cheol Kim 대한치과교정학회 The Korean Journal of Orthodontics 10 Pages

대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 6호 3 667-676 (10 pages)

Yoon-Ah Kook, Eun-Cheol Kim, Sang-Cheol Kim 저
...
- 무료
We have examined the in vitro stage-related chondrogenic potential of human mandibular and limb bud mesenchyme cells using micromass culture, Our results indicate that limb bud mesenchyme cells as early as stage 16 by Carnegie system (37 days), well before the initiation of in vivo chondrogenesis, have chondrogenic potential which is expressed in micromass culture, These results are correlated with stage-related chondrogenic potential of human limb bud in vivo as a result of Alcian blue...
128.

동물실험에서 인삼의 항비만 효과: 체계적 고찰과 메타분석을 위한 연구 프로토콜

조재흥(Jae heung Cho), 김고운(Koh woon Kim), 박혜성(Hye sung Park), 윤예지(Ye ji Yoon), 송미연(Mi yeon Song) 한방비만학회 대한한방비만학회지 8 Pages

한방비만학회 대한한방비만학회지 2017, 제 17권 제 1호 5 37-44 (8 pages)

조재흥(Jae heung Cho), 김고운(Koh woon Kim), 박혜성(Hye sung Park), 윤예지(Ye ji Yoon), 송미연(Mi yeon Song) 저
...
- 3,000원
최근 비만이 전 세계적인 문제로 대두되면서 임상 연구의 해석에 필요한 중요 자료를 제시해 줄 수 있는 동물 모델을 이용한 생리학적 기전 연구에 대한 관심이 높아지고 있다. 인삼은 많은 동물 실험에서 항비만 또는 항당뇨 효과가 보고되었으나 인체의 임상에서 비만을 연구한 논문은 거의 없는 실정이다. 이 연구에서는 신체계측치수와 대사지표를 활용한 동물 모델에서의 인삼의 항비만 효과의 근거수준을 평가하고자 한다. 전임상 단계에서 비만에 대한 인삼의 효과를 연구한 대조군 연구, 비교 연구를 포함시키고자 한다....
129.

A Study on the Development of an Application for the Learning of Recorder Ensemble in Elementary School Using App Inventor

Sumi Kwon, Yoon Jeong Jung 한국음악교육학회 음악교육연구 23 Pages

한국음악교육학회 음악교육연구 2022, 제 51권 제 4호 1 1-23 (23 pages)

Sumi Kwon, Yoon Jeong Jung 저
...
- 5,200원
The purpose of this study is to design and develop a recorder duo educational app for elementary school students using App Inventor. The app developed in this study provides sound sources of recorder duets, and piano accompaniment in a slow tempo for practice and a fast tempo for performance. Total 11 pieces for recorder duets were chosen from music textbooks for grades 3-6 of elementary school. Using these sound sources, students can develop their "inner hearing" to imagine or listen to the...
130.

고등학교 음악과 블렌디드 러닝 수업 사례 연구

김미숙, 권혜인 한국음악교육학회 음악교육연구 28 Pages

한국음악교육학회 음악교육연구 2022, 제 51권 제 3호 2 25-52 (28 pages)

김미숙, 권혜인 저
...
- 5,700원
이 연구는 COVID-19 시대와 COVID-19 이후의 음악 교과 수업의 목표와 방향성을 탐색하고 고등학교 음악 교과에서 활용될 수 있는 블렌디드 러닝 수업 사례를 제시하는 데 목적이 있다. ADDIE 모형을 토대로 블렌디드 러닝 절차를 절충하여 1학년은 생활화 영역, 2학년은 표현 영역에 비중을 두고 5차시 프로젝트 음악 수업을 설계하고 실행하였다. 수업 후에는 교사 자기 평가와 개방형 학생 설문 조사를 실시하였다. 고등학교 음악과 블렌디드 러닝 수업을 실행한 결과는 다음과 같다. 첫째, 잘 설계된 블렌디드 러닝 수업은 교육과정의...

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