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정정권,Chung Jeong-Kwon 한국독어학회 2004 독어학 Vol.9 No.-
Das Forschungsziel dieser Untersuchung ist es, den linguistischen Begriff der Analogie zu definieren, und die auftretenden analogischen Ausgleichsprozesse vom Mittelhochdeutschen zum Neuhochdeutschen und auch im Neuhochdeutschen selbst insbesondere im System der starken Verben vorzuzeigen und zu $erkl\"{a}ren$. Und diese Forschungsergebnisse sind wie folgt. $Au{\ss}er$ dem Phonemwandel, der immer das Phonemsystem tangiert, gibt es M$Lautver\"{a}nderungen$, die auf assoziativer Ubertragung von Lautungen aus konkurrierenden sprachlichen Formen beruhen, die sog. Analogiebildungen. $N\"{a}mlich$ in der sprachlichen Entwicklung vom Mittelhochdeutschen zum Neuhochdeutschen zeigt sich eine sehr starke innere Tendenz der Sprache, diese durch $gesetzm\"{a}{\ss}igen$ Lautwandel entstandene Formenvielfalt innerhalb eines Paradigmas zu vereinheitlichen. Das $hei{\ss}t$; Analogischer Ausgleich ist als universaller sprachlicher Simplifizierungsprozess zu werten. Diese sprachlichen Ausgleichsprozesse werden als analogischer Ausgleich bzw. paradigmatischer Ausgleich bezeichnet. $Gem\"{a}{\ss}$ der Klassifikation von Frey teile ich auch analogischen Ausgleich Bereichen ein: a) im Stammsilbenvokalismus b) im Stammsilbenkonsonantismus c) in den Konjugationsendungen. (equation omitted) (c) Analogischer AusgIeich der Konjugationsendungen: Die Endung der 1. Pers. P1. $Pr\"{a}s$. Ind. im Althochdeutschen, -ames wird durch die Endung der 1. Pers. P1. $Pr\"{a}s$. Konj., -em ersetzt. $fr\"{h}ahd$. wir nem-ames > ahd. wir nem-em > mhd. wir nem-en > nhd. wir nehm-en Die Endung der 3. Pers. P1. $Pr\"{a}s$. Ind. im Mittelhochdeutschen, -ent wird durch die Endung der 1. Pers. P1. $Pr\"{a}s$. Ind., -en ersetzt. ahd. sie nem-ant > fruhmhd. sie nem-ent > mhd. sie nem-en > nhd. sie nehm-en Als Markierung der 2. Pers. Sg. war -st urprunglich nur in der 2. Pers. Sg. $Pr\"{a}s$. Ind. vorhanden: ahd. nim-ist > mhd. nim-est > nhd. nimm-st Von hier aus breitet es sich aus in die 2. Pers. Sg. Pras. Konj. ahd. nem-es > mhd. nem-est > nhd. nehm-est Vom $Pr\"{a}s$. Ind/Konj. breitet sich -st in das $Pr\"{a}t$. Ind. aus; ahd. nam-i > fruhmhd. naem-e > mhd. naem-est > nhd nahm-st Und $schlie{\ss}lich$ greift es vom $Pr\"{a}t$. Ind. auch auf den Konj. $\"{u}ber$. ahd. nam-is > mhd. nem-est > nhd. $n\"{a}hm-st$
섬유모세포의 종류에 따른 불멸화된 구강 각화세포의 삼차원적 배양에 관한 연구
정정권(Jeong-Kwon Cheong),윤규호(Kyu-Ho Yoon),김은철(Eun-Cheol Kim) 대한구강악안면외과학회 2007 대한구강악안면외과학회지 Vol.33 No.3
Objective: In organotypic culture of immortalized human oral keratinocytes (IHOK), the change of the growth and differentiation was investigated according to the fibroblast type and the involvement of mitogen-activated protein (MAP) kinase. Materials & Methods: IHOK was cultured three dimensionally with gingival fibroblast (GF), dermal fibroblast (DF) and immortalized gingival fibroblast (IGF). We characterized biologic properties of three dimensionally reconstructed IHOK by histological, immunohistochemical, and Western blot analysis. We also investigated whether MAP kinase pathway was involved in epithelial-mesenchymal interaction by Western blot analysis. Results: The best condition of three dimensionally cultured IHOK was the dermal equivalent consisting of type I collagen and IGF. IGF increased the expression of more proliferating cell nuclear antigen (PCNA), involucrin than GF and DF in response to co-culture with IHOK. Extracellularly regulated kinase (ERK) pathway was activated in organotypic co-culture with IGF. Conclusion: The organotypic co-culture of IHOK with dermal equivalent consisting of type I collagen and IGF resulted in excellent morphologic and immunohistochemical characteristics and involved ERK pathway. The epithelial-mesenchymal interaction was activated according to the fibroblast type.
정정권(Jeong-Kwon Cheong) 대한구강악안면외과학회 2006 대한구강악안면외과학회지 Vol.32 No.2
Objectives: Pericoronitis was the most common indication for mandibular third molar surgery and there are no universally acceptable predictive criteria for pericoronitis occurrence. This study was designed to analyze the correlation of the pericoronitis and the eruption state of the mandibular third molar using panoramic radiographs statistically. Materials and Methods: 218 patients whose chief complaint was the extraction of the mandibular third molar were examined. The presence and absence of pericoronitis, age, sex, position of extraction site, angulation, impaction degree, position to the anterior border of mandibular ramus, distance between distal cementoenamel junction of second molar and mesial cementoenamel junction of the mandibular third molar were assessed. Then the correlation of pericoronitis and the eruption state of the mandibular third molar were analyzed by Student’s t-test and chi-square test. Results: There was no correlation between Pericoronitis and age, sex, position of the mandibular third molar. The angulation(P=0.005), impaction degree(P=0.043), relation with anterior border of mandibular ramus(P=0.003), distance between distal cementoenamel junction of second molar and mesial cementoenamel junction of the mandibular third molar(P〈0.05) were correlated with pericoronitis. Conclusions: The occurrence of the pericoronitis can be predicted by the eruption state of the mandibular third molar such as angulation, impaction degree, relation with anterior border of mandibular ramus, distance between distal cementoenamel junction of second molar and mesial cementoenamel junction of third molar.
나혜정,윤규호,정정권,배정호,김해린,조규홍,신재명,백지선,Na, Hye-Jung,Yoon, Kyu-Ho,Cheong, Jeong-Kwon,Bae, Jung-Ho,Kim, Hae-Lin,Jo, Kyu-Hong,Shin, Jae-Myung,Baik, Jee-Seon 대한악안면성형재건외과학회 2010 Maxillofacial Plastic Reconstructive Surgery Vol.32 No.4
Sialolithiasis is the most commom disease of salivary gland. The main symptoms are pain and swelling of the involved gland during eating. It can occur at any age but patients in their third to fifth decade present most cases. Males are more frequently affected than females. Most sialoliths are located within the duct system of the submandibular gland. Submandibular sialoliths close to the hilum of the gland tend to become large and ovoid shape, whereas sialoliths in the duct tend to be elongated. Commonly, sialoliths measure from 1 mm to less than 10 mm, and larger than 15 mm are considered rare. In one case we have removed a giant sialolith which was located in a wharton's duct and in the other case we have removed multiple sialolith including a giant sialolith which were also located in a Wharton's duct. We report these 2 cases with literature reviews.
최민혜,윤규호,정정권,박관수,신재명,김해린,나혜정,Choi, Min-Hye,Yoon, Kyu-Ho,Cheong, Jeong-Kwon,Park, Kwan-Soo,Shin, Jae-Myung,Kim, Hae-Lin,Na, Hye-Jung 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.3
Solitary fibrous tumor (SFT) is a neoplasm that arises most commonly in pleura. Although SFT occasionally occurs in extrapleural locations, the incidence in the oral cavity is rare. SFT is benign in almost cases and surgical excision is the effective treatment. SFT occurred in the left cheek of a 60-year-old man presented with a painless submucosal mass. The tumor was surgically removed. Immunohistochemical study showed that tumoral cells were negative for SMA, S-100, but positive for Bcl-2, CD34. SFT is easily over-diagnosed if strict criteria are not carefully applied, and strict diagnostic criteria are necessary to avoid confusion of SFT with more aggressive lesions.
$ITI^{(R)}$ implant system에 있어서 $Bio-Oss^{(R)}$와 $Bio-Gide^{(R)}$를 이용한 발치 후 즉시 임플란트의 유용성
박관수,윤규호,정정권,신재명,홍성철,전인성,Park, Kwan-Soo,Yoon, Kyu-Ho,Cheong, Jeong-Kwon,Shin, Jae-Myung,Hong, Sung-Chul,Jeon, In-Seong 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.1
In the recent studies, many authors have reported that the success rate of immediate implantation has no difference compared to conventional staged implantation. Although the immediate implantation has many advantages over conventional approach, many clinicians don't seem to practice because they think that most of the extraction sockets will have some bony gab with defects around implant and that this situation makes the result of immediate implantation unpredictable. We clinically analyzed 23 implanted sites of 18 patients treated with immediate implantation in our hospital from September 2003 to January 2004. The $ITI^{(R)}$. dental implant system was used and GBR procedure with $Bio-Oss^{(R)}$. and $Bio-Gide^{(R)}$. was done simultaneously. The pre & post-op. measurements were recorded such as alveolar crest-adjacent tooth CEJ distance, gingival crest-adjacent tooth CEJ distance, existence of periapical lesion, vertical defect around the extraction socket, horizontal defect around the extraction socket, probing depth, radiologic change of alveolar crest height. We report a positive outcome about immediate implantation with review of literatures.
하악 구치부에 발생한 Bisphosphonate Related Osteonecrosis of Jaw의 치험례
박재안,윤규호,정정권,배정호,유경하,조규홍,신재명,백지선,Park, Jae-An,Yoon, Kyu-Ho,Cheong, Jeong-Kwon,Bae, Jung-Ho,You, Kyung-Ha,Jo, Kyu-Hong,Shin, Jae-Myung,Baik, Jee-Seon 대한악안면성형재건외과학회 2010 Maxillofacial Plastic Reconstructive Surgery Vol.32 No.5
Bisphosphonates are synthetic analogue and have high affinity on bone remodeling site. Since they have a long half-reduction time, they accumulate at bone and act for a long time. They are widely used in osteo-porosis derived from imflammatory bowel disease or postmenopausal osteoporosis patient for bone mineral density improvement. In addition, they neutralize hypercalcemia owing to bone metastasis of malignancy. However, a jaw bone necrosis was recently reported in some patients who have taken bisphosphonates for a long time. It is called Bisphosphonate Related Osteonecrosis of Jaws (BRONJ). It can come spontaneous-ly, but more often after oral surgery including tooth extraction. In this case, a 80-year-old woman was treated with bisphosphonate (sodium alendronate) for 2 years to improve bone mineral density. She had her left lower second molar tooth extracted at local clinic. After extraction, she had inflammatory symptoms like a pain, a cheek swelling, and a discharge of pus. She was referred to our clinic for treatment. We treated meticulously from dressing to surgery. After following up about 1.5 years, the jaw lesion was successfully healed. So we report this case.