• (The)Study of the Eastern Classic
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• no.54
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• pp.103-124
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• 2014

서명응의 "중용경위"는 '심은 태극이자 중이며, 또 "하도"의 중궁'이라는 선천학의 심법을 제시한다는 점에서 기존의 "중용"해석과 차이를 보인다. 다른 특징으로는 "중용경위"의 구성 체제가 독창적이라는 점이다. 더불어 이러한 체제와 그 내용이 "하도"와 긴밀히 연결된다는 점이다. 서명응은 "중용"의 구조와 서술방식이 선후천의 법상에 따라 서술된 것으로 본다. 이를 입증하기 위해 서명응은 통행본 "중용"의 33장 체제를 32장으로 재구성한다. 그리고 그는 이 총 32장의 전체 구성이 '태극-양의-사상'으로 전개되는 "선천도"의 구조와 같고, 개별 장들이 서로 '대대' 관계로 되어 있는 구조는 선천의 '대대' 구조와 같으며, 각 장 안의 문장에서 구와 절들이 '반대' 관계로 되어 있는 것은 후천의 '반대' 구조와 같다고 본다. 서명응이 제시한 이러한 선천의 구조는 결국 "하도"로부터 연역되어 나온 것이다. 또 그 안에 담긴 심으로 천명의 중을 체인하는 사상이 "하도"와 연결된다고 파악한다.

• The Journal of Korean Philosophical History
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• no.28
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• pp.387-415
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• 2010

This article examines Zhu Xi(朱熹)'s theory of I-Qing(易經) present in Yi Xue Qi Meng. Zhu Xi aims to establish a novel Confucian theory of I-Qing, examining the study of I-Qing in Han Dynasity and the Taoist theory of I-Qing. To this end, he embraces Shao Yong(邵雍)'s theory of Xian Tian. Adapting the notion of Xian Tian(先天) as developed by Shao, he completes the Image-Number(象數) Theory of Hetu-Luoshu(河圖洛書). While discussing Hetu Luoshu, Zhu Xi argues that the Image and Number are not merely a form of prognostication, but a medium that reveals the principles of the nature and the sagely ways of mind. In addition, by studing I-Zhuan(易傳) in authoring Yi Xue Qi Meng, Zhu Xi maintains that the notions of Image and Number as he understands were to be approved by Confucius. This leads to the unification of Sho Yong's Tai-Ji(太極), Zou Dun Yi(周 敦頤)'s Tai-Ji, and Tai-Ji in Hetu. Through this work, Zhu Xi attempts to construct a systematic philosophy that straddles ontology and value theory, while identifying Li (理) with Xiang (象) and Shu (數). The Image-Number Theory of Hetu-Luoshu has replaced numerous theories of Image and Number at the time of Zhu Xi. Based on this theory, he restores the method of divination as presented in Xi CI Zhuan(繫辭傳). By successfully applying his theory of Image and Number to interpreting a number of recorded examples of divination during the Spring and Autumn period and the Warring States period, Zhu Xi demonstrates that his theory is not only an abstract metaphysical theory, but also can function as an adaptable method of divination.

• Korean Journal of Cleft Lip And Palate
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• v.13 no.1
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• pp.29-34
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• 2010

구순구개열은 두경부에서 가장 흔히 발생하는 선천적 기형 중 하나로 554명 중 1명의 빈도로 나타나며 인종에 따라 다양하다. 구순구개열 환아들은 다른 선천적 기형을 동반하여 나타나는 경우가 흔하며, 그 빈도는 문헌에 따라 다르지만 1.5~63.4%로 나타난다. 새열낭종은 두번째 인두강의 폐쇄부전으로 나타나는 선천적 결손으로, 주로 흉쇄유돌근 전방에 나타난다. 구순구개열 환자에 있어 새열낭종을 동반하는 경우는 매우 드물다. 전북대학교 구강악안면외과학 교실에서는 새열낭종을 동반한 구순열 환아 1례를 경험하였다. 환아는 우측 불완전 편측성 구순열로 내원하여, 구순성형술과 함께 우측 목에 존재하던 새열낭종에 대한 제거 수술을 시행하였다. 환아는 출생 당시부터 심실중격결손 및 동맥관개존증 등의 선천적 심장질환 및 갑상선 기능저하증을 가지고 있던 환아로 다양한 선천적인 결손을 동반한 본 환아의 증례를 문헌고찰과 함께 보고하는 바이다.

• Journal of the korean academy of Pediatric Dentistry
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• v.50 no.1
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• pp.35-46
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• 2023

Congenitally missing teeth are one of the most prevalent dental anomalies in the oral cavity. In this study, the prevalence, distribution, and symmetry of congenitally missing permanent teeth among 1,865 patients aged 7 to 15 years who visited the Pediatric Dentistry Department of Wonju Severance Christian Hospital from March 2011 to May 2021 and took panoramic radiographs were investigated and analyzed. Most of the patients had one or two congenitally missing teeth, mainly in the second premolars and lateral incisors. Congenitally missing teeth occurred more in the mandible than in the maxilla, and there was no significant difference in prevalence between the left and right sides. Congenitally missing teeth tend to occur symmetrically on the left and right sides and in the maxilla and mandible, depending on the tooth. Early oral examination and radiological examination are required to prevent complications due to congenitally missing teeth, and appropriate interdisciplinary treatment is required.

• Journal of the korean academy of Pediatric Dentistry
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• v.45 no.4
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• pp.514-520
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• 2018

Congenital absence of the primary canines is very rare. Congenital absence of primary teeth often causes their successors to not develop at all or affects the eruption of their successors. The purpose of this paper was to report the cases of 2 children with early eruption of the maxillary permanent canines at ages 4 and 6 years, respectively, following congenital absence of their maxillary primary canines, which are not common in earlier studies. Although tooth eruption and shedding exhibit some physiological variation, certain clinical cases are extreme. Premature eruption of the maxillary permanent canines may cause complications in terms of the space available for the eruption of adjacent teeth. Additionally, early eruption of permanent teeth increases the need for more careful oral hygiene. Therefore, the pediatric dentist must be alert to such rare cases.

• Journal of the korean academy of Pediatric Dentistry
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• v.29 no.4
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• pp.574-578
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• 2002

Mesiodens is developmental tooth anomaly which is commonly found in clinical pediatric dentistry. however, it may cause many partial problem in tooth alignment when congenitally missing teeth was accompanied by mesiodens. The terms, concomitant hypodontia and hyperdontia' and oligo-pleiodontia' have been used to describe the condition in witch developmental absence of teeth and supernumerary teeth are present in the same individual. Only a few case reports of this rare condition which is opposite developmental phenomena exist in the literature. The purpose of this study is survey of congenitally missing teeth in mesiodens case and to compare previous literature of congenitally missing teeth in normal. The subjects were 310 children(247 male and 63 female) at the age from 5 to 12 years visiting the Department of Pediatric Dentistry, Pusan National University Hospital with mesiodens for last 3 years. With their pantomograms we studied congenitally missing teeth except permanent 3rd molar. 1. The preference of congenitally missing teeth in mesiodens cases was revealed to be 17.1%(53 out of 310 in total), and there was a higher prevalence in females(22.2%) than in males(15.8%). 2. The most frequently missing teeth were maxillary lateral incisors(22.7%) and mandibular second premolars(22.7%), followed by maxillary second premolar(17.3%), and mandibular lateral incisors(16.0%). There was no significant differences between maxilla(49.3%) and mandible(50.7%). 3. In number of congenitally missing teeth per person, 69.9% had one missing tooth, 22.7% had two missing teeth and 9.4% had three missing teeth.

• Journal of the korean academy of Pediatric Dentistry
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• v.40 no.4
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• pp.274-282
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• 2013

The goal of this study was to analyze prevalence and distribution of congenitally missing teeth in 3302 patients from 7 to 15 years old, who had visited and taken panoramic radiographs at the Department of Pediatric Dentistry, from January 2008 to December 2012. The prevalence of hypodontia in the males (5.9%) was slightly higher than in the females (4.7%). In the affected patients, the mean number of congenitally missing teeth in the mandible was statistically higher than in the maxilla (p < 0.05). However, there was no significant difference in the number of congenitally missing teeth between left and right dentitions (p > 0.05). Excluding the Mn. third molars, the most frequent congenitally missing teeth site was the Mn. second premolars. In contrast, the most infrequent congenitally missing teeth sites were the Mx. and Mn. first premolars, and Mx. central incisors. The bilateral combination or antagonistic quadrants combination of congenitally missing teeth in hypodontia patients was 80.3%. The result of this study will contribute to clinicians to make accurate diagnosis and establish favorable treatment plans, by offering invaluable data about the number and distribution of congenitally missing teeth.

• Herbal Formula Science
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• v.2 no.1
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• pp.131-149
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• 1991

• Korean Parent-Child Health Journal
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• v.5 no.1
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• pp.111-120
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• 2002

• The Journal of Korean Academy of Prosthodontics
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• v.60 no.4
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• pp.354-361
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• 2022

The development of digital technology is causing great changes in dentistry. This digital workflow combines various 3D data in the prosthetic treatment area for diagnosis and prosthetic manufacturing. The planned diagnosis and the fabrication of prosthesis in a virtual patient formed by synthesizing digital data can simulate the results of prosthetic treatment more intuitively than conventional methods, thereby increasing the predictability of aesthetic prosthetic treatment. In this case report, functionally and aesthetically satisfied clinical results were obtained by fabricating a fixed partial dentures through a digital workflow on congenital missing teeth in the maxillary anterior region.