Pendulum 장치를 이용한 상악 대구치 후방이동에 관한 치험례

김문현,백병주,이지연 大韓小兒齒科學會 1993 大韓小兒齒科學會誌 Vol.20 No.2

Orthodontists have long sought methods of correcting ClassⅡ malocclusions without straining the lower arch and without the need for strict patient compliance. In the 1990s, noncompliance therapies in various forms have become more prominent than ever before. The Pendulum Appliance is a hybrid that uses a large Nance acrylic button in the palate for anchorage, along with 032˝TMA springs that deliver a light, continuous force to the upper first molars without affecting the palatal button. Thus, the appliance produces a broad, swinging arc-or pendulum- of force from the midine of the palate to the upper molars. Since the Pendulum Appliance drives the upper molars distally (with slight lingual tipping) quite rapidly, there is a tendency for the anterior bite to open. This open bite generally corrects itself in brachyfacial types, especially those with tongue-thrust habits. I still recommend treating vertical growth patterns conservatively with extraction, directional headgears, and transpalatal bars. Patient tolerance of the Pendulum Appliance has been excellent; most adapt to the appliance within a week, Initial clinical findings have been encouraging. It is not unusual to see as much as 5mm of distal molar movement in three to four months.

소아에서 발생한 비치성 양성종양에 관한 임상적 연구

백병주,김문현,김재곤,허선,김영신 大韓小兒齒科學會 1998 大韓小兒齒科學會誌 Vol.25 No.2

Non-odontogenic tumors can be classified as malignant or benign. Most oral tumors in children are benign. In the Belfact series only 7.5 percent of soft tissue tumors were malignant and Bhaskar(1963) found only 9 percent of 293 oral tumors of all kinds to be malignant. Benign tumors may be classified as epithelial and mesenchymal. The most common tumor of surface epithelium is the squamous papilloma. These are easily recgnized clinically as cauliflower-like lesions. Fibrous lesions are very common in children's mouths. Many of these are not true neoplasms but are related to fibrous hyperplasia. Another common oral tumor in children is angiomatous tumor. Hemangioma occurred more frequently than lymphangioma. Cy stic hygroma, a cystic subtype of lymphangioma, is a developmental tumor of lymphatic origin. It is a considered to be a relatively rare lesion. about 50 precent of cystic hygroma are present at birth, and most of the remaining 50 percent appear in the early years of life during the period of active lymphatic growth. The preferred treatment for these lesions, except for hemangioma, is complete surgical excision. With proper surgical techniques, recurrence is not expected.

Thermal cycling 과 시효처리가 Glass-Ionomer수복재의 인장강도에 미치는 영향

이승익,백병주,김재곤,이승영,김문현 大韓小兒齒科學會 1999 大韓小兒齒科學會誌 Vol.26 No.4

본 연구에서는 구강환경과 유사한 액상의 조건하에서의 온도변화가 광중합형 글래스아이오노머계 수복재의 인장강도에 미치는 영향을 평가하기 위해 대조군으로 2종의 재래형 glass ionomer를 선택하고 실험군으로 2종의 광중합형의 resin-modified glass ionomer와 2종의 polyacid-modified resin composite을 선택한 다음 수중에서의 thermal cycling과 시효처리를 행하였으며, 다음과 같은 결론을 얻었다. 1. 글래스아이오노머 수복재의 인장강도를 측정한 결과, polyacid-modified resin composite, resin-modified glass ionomer 그리고 재래형 glass ionomer의 순으로 나타났다. 2. 인장강도는 30일간의 시효처리로 증가되는 경향을 보였다. 3. 재래형 glass ionomer 수복재의 인장강도는 thermal cycling 처리로 증가되는 경향을 보였으며, 37℃의 증류수 중에 1시간 침적한 군과 10,000회의 thermal cycling을 비교한 결과 유의한 차이로서 강도의 증가를 나타냈다(P<0.01). 4. thermal cycling 군의 인장강도는 DR군이 45.4MPa로 최대치를, FL군이 13.4MPa로 최소치를 나타냈으며, 각 군간의 통계적 유의성을 검증한 결과 polyacid-modified resin composite의 인장강도가 나머지 군과 유의한 차이를 보였다(p<0.05). 5. 특성강도는 DR군이 48.6MPa로 가장 높은 강도치를 보였으나, Weibull 계수는 CG군이 8.9로 가장 높은 값을 보여 시험재료 중에서 가장 작은 강도의 분산을 나타냈다. This study was performed to evaluate the effect of aging and thermal cycling on the tensile strength of six commercially available glass-ionomer materials: two chemically set glass-ionomer materials(Fuji Ⅱ, fuji Ⅸ), two resin-modified glass-ionomer materials(Fuji Ⅱ LC, Vitremer), and two polyacid-modified composite resins(Compoglass, Dyract). Rectangular tension test specimens were fabricated in a teflon mold giving 5mm in gauge length and 2mm in thickness. All samples were divided into 3 groups. Group 1 was immersed in a 37℃ distilled water for 1 hour. Group 2 was immersed in a 37℃ distilled water for 30 days. Group 3 was subjected to 10,000 thermal cycles between 5℃ and 55℃, and the immersion time in each bath was 15 seconds per cycle. Tensile testing was carried out at a cross-head speed of 0.5mm/min and fracture surfaces were examined with scanning electron microscope. The results obtained were summarized as follows; 1. The polyacid-modified composite resins were stronger than the resin-modified glass-ionomer materials, which were much stronger than the conventional glass-ionomer materials. 2. Tensile strengths were slightly increased after aging treatments for 30days. 3. Tensile strengths of conventional glass ionomers were significantly increased after thermal cycling treatment(p<0.01). 4. The highest tensile strength value of 45.4MPa was observed in the Dyract group and the lowest value of 13.3MPa was observed in the Fuji Ⅱ LC group after the thermal cycling test, and the strengths of polyacid-modified composite groups were significantly higher than those of other groups. 5. The highest characteristic strength value of 48.6MPa was obtained in the Dyract group, however the highest Weibull modulus value of 8.9MPa was obtained in the Compoglass group after thermal cycling test.

Papillon-Lefevre Syndrom의 임상 및 미생물학적 검사와 치료

송요한,김문현,김형섭,김재곤,백병주 大韓小兒齒科學會 1998 大韓小兒齒科學會誌 Vol.25 No.2

The Papillon-Lefevre Syndrome(PLS), a disease with autosomal recessive inheritance, is characterized by diffuse hyperkeratosis of the palms and soles, mostly prepubertal periodontitis and premature loss of primary and permanent dentition. The etiology of the destruction of periodontal tissues has not been completely clarified. In recent years, two main factors are suggested to be responsible for tooth loss : firstly, the presence of gram negative microorganisms in the periodontal pockets of the patients. The other factor suggested is cellular deficiency in chemotaxic and phagocytic function of neutrophylic granulocytes. Resent data suggestes that mechanical debridement in conjunction with antibiotic therapy may be successful in periodontal management of Papillon-Lefevre Syndrome, particularly if administered early. In this study, a Papillon-lefevre syndrome patient was studied clinically, radiologically, histopathologically and microbiologically. 5 years female patient with gingival swelling and destruction of periodontal structure on the whole dentition were examined and palmar and plantar hyperkeratosis were can be seen. On microbiological analysis, Actinobacillus actino-mycetemcomitans was performed. Concurrently, the children recieved extraction of maxillary anterior teeth and construction of removable prosthetis. The combination of professional oral hygiene care and antibiotic therapy improved the dermatologic and peridontal condition.

A new mid-late maturing japonica rice variety Hyeonpum with a good grain quality and eating quality

Jeong-Ju Kim,Woon-Chul Shin,Mun-Sik Shin,Ki-Yeong Kim,Bo-Kyeong Kim,Jeong-Kwon Nam,Jong-Cheol Ko,Hyeon-Su Park,Ki-Yong Ha,Man-Kee Baek,So-Hyeon Baek,Young-Jun Mo,Woo-Jae Kim,Hyeon-Jung Kang,Jae-Kwon K 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07

‘Hyeonpum’ is a new japonica rice variety developed by a cross breeding between Iksan469 having a good canopy architecture and Sindongjin and Musashino 7 having a good eating-quality with a view to develop a new variety having high quality of grain and palatability by the rice breeding team of Rice Breeding and Cultivation Research Division, Department of Rice and Winter Cereal Crop, NICS, RDA in 2012. The heading date of this variety is August 18 and later than that of check variety, Nampyeongbyeo, by four days. ‘Hyeonpum’ has 74cm of culm length and 101 spikelets per panicle. This variety showed resistance to bacterial leaf blight and rice stripe virus, but susceptible to leaf blast and planthoppers. The milled rice of this variety exhibits translucent and very clear non-glutinous endosperm. ‘Hyeonpum’ has much better palatability of cooked rice than that of Nampyeongbyeo. The whole grain rate of milled rice and milled rice recovery of ‘Hyeonpum’ are slightly higher than those of Nampyeongbyeo as 91.8% and 75.2% respectively. The yield of ‘Hyeonpum’ is 5.6 MT/ha in milled rice. ‘Hyeonpum’ could be adaptable to the southern part plain area of Pyeongtaek and southwestern costal areas in Korea.

Bowen병에 병발한 Merkel 세포암

문용주 ( Mun Yong Ju ),이지현 ( Lee Ji Hyeon ),최현성 ( Choe Hyeon Seong ),윤석권 ( Yun Seog Gwon ),김한욱 ( Kim Han Ug ),임철완 ( Im Cheol Wan ) 대한피부과학회 2004 대한피부과학회지 Vol.42 No.3

Merkel cell carcinoma is an uncommon malignancy of the skin that was first described by Toder in 1972 and occasionally found concurrent with other malignancies such as squamous cell carcinoma, basal cell carcinoma or, as in the present study, with Bowen`s disease. We report a unique case of Merkel cell carcinoma coexisting with Bowen`s disease on the left forearm of a 42-year-old man who had a past history of multiple Bowen`s disease. The tumor was excised and the specimen was examined histopathologically. The tumor cells exhibit trabecular, cord-like arrangement in the dermis, partly extending into subcutaneous tissue without involvement overlying epidermis, where Bowen`s disease lesion was absent but the peripheral patch area exhibit Bowen`s disease. The tumor cells in the dermis were positive for neuron-specific enolase and chromogranin. This is the first report of a case of Merkel cell carcinoma associated with Bowen`s disease in Korea. (Korean J Dermatol 2004;42(3):309~312)

인체 각질형성세포에서 Pityrosporum ovale에 의한 전염증성 사이토카인의 발현에 대한 연구

문현주 ( Mun Hyeon Ju ),이지범 ( Lee Ji Beom ),김성진 ( Kim Seong Jin ),이승철 ( Lee Seung Cheol ),원영호 ( Un Yeong Ho ) 대한피부과학회 2003 대한피부과학회지 Vol.41 No.11

N/A Backgrounds : Pityrosporum (P.) ovale is a member of the cutaneous microflora, and is associated with several dermatologic diseases. Little is known about the mechanism by which P. ovale causes these dermatoses, but it has been supposed to be associated with immunologic response. The epidermis is largely composed of keratinocytes, and they not only play an important structural part in forming a physical barrier to microorganisms, but also are important functionally in mediating cutaneous immune reaction by secreting various cytokines. Objectives : There have been few studies on the interaction between fungi and keratinocytes, especially the effect of P. ovale on the production of cytokines by human keratinocytes. This study is to evaluate the effects of P. ovale on pro-inflammatory cytokines such as interleukin-lα (IL-lα), tumor necrosis factor-α (TNF-α), granulocyte-macrophage colony stimulating factor (GM-CSF) producted by human keratinocytes. Methods : Normal human keratinocytes (NHK) from neonatal foreskin were suspended in culture medium with different concentrations of the P. ovale extract (0.01, 1, 10, 100㎍/㎖). The production of IL-lα, TNF-α and GM-CSF after 24 hours treatment were somiquantitated by RT-PCR. Time-course changes of the cytokines were also observed until 72 hours (0, 6, 12, 24, 48, 72 hours). NHKs were treated with P. ovale culture supernatant (0.1, 0.2, 0.5, 1.O㎖) for 24 hours, and the cytokines were measured by RT-PCR and ELISA. Results : IL-lα and GM-CSF were increased by treatment with P. ovale extract as a dose-dependent manner. But TNF-α production was not affected by the treatement. The level of IL-1α was steadily increased with its maximum at 48 hours. The level of GM-CSF was increased for 48 hours and became decreased thereafter. NHKs treated with P. ovale culture supernatant showed the increase of IL-lα and GM-CSF synthesis as a dose-dependent manner. Conclusions : P. ovale induced the pro-inflammatory cytokines in normal keratinocytes, which is supposed to induce inflammatory response by the organism in the skin. (Korean J Dermatol 2003;41(11) : 1448∼1454)

플라즈마/촉매 반응기를 이용한 유류 연소보일러 배가스의 NOx 저감 연구

문승현(Mun Seung Hyeon),전상구(Jeon Sang Gu),신대현(Sin Dae Hyeon),권주성(Kwon Ju Seong),류완호(Lyu Wan Ho) 大韓環境工學會 2004 대한환경공학회지 Vol.26 No.1

대장내시경과 전산화단층촬영을 이용한 가상대장내시경에서 발견된 용종의 육안적 소견의 비교

송현주 ( Song Hyeon Ju ),정성애 ( Jeong Seong Ae ),심기남 ( Sim Gi Nam ),이유현 ( Lee Yu Hyeon ),김성은 ( Kim Seong Eun ),이한효 ( Lee Han Hyo ),염문선 ( Yeom Mun Seon ),남준식 ( Nam Jun Sig ),김윤경 ( Kim Yun Gyeong ),백승연 ( Ba 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-

<목적> 대장내시경에 비해 덜 침습적인 가상대장내시경(virtual colonoscopy)이 대장암과 그 전구병변인 대장용종의 조기발견을 위한 선별검사에 이용될 수 있을지에 대한 논란이 있으며, 본 연구는 가상대장내시경에서 발견된 용종의 육안적 소견을 대장내시경에서 확인된 결과와 비교하고자 하였다. <방법> 2003년 1월부터 8월까지 대장내시경을 이용한 용종절제술을 위해 입원한 71명의 환자 중 가상대장내시경을 시행하여 분석이 가능했던 29명의 환자를

산전 초음파로 진단된 척추이분증 3예

김문정 ( Kim Mun Jeong ),김미경 ( Kim Mi Gyeong ),박현주 ( Park Hyeon Ju ),설현주 ( Seol Hyeon Ju ),신지혜 ( Shin Ji Hye ),강문정 ( Kang Mun Jeong ),안현숙 ( An Hyeon Sug ) 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.7

The prenatal diagnosis of spina bifida includes the combined use of maternal serum α-fetoprotein (MSAFP) screening and fetal sonography. On ultrasonogram, spina bifida is characterized by visualization of the spinal defect and associated cranial abnomalities: the Lemon sign, the Banana sign, ventriculomegaly, small biparietal diameter, and obliteration of the cistema magna. We should now be able to rely on ultrasound as the main technique for diagnosis of spina bifida when MSAFP is elcvated. Recently, we have experienced three cases of spina bifida diagnosed with meningomyelocele, lemon sign, banana sign and ventriculomegaly on ultrasonogram at respectively 18^+3, 18, and 18^+6 weeks of gestation. We present these cases with a brief review of literatures.