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RISS 인기검색어
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- 저자 : 李容五 (검색결과 57 건)
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李容五,卞鍾秀 慶北大學校 齒科大學 1984 慶北齒大論文集 Vol.1 No.2
Forensic odontolgy is important in individual age determination, the growing and calcifying teeth are especially good materials in age determination. The teeth inspection of ancient Korean children of the Daegaya Kingdom period, about the 4th-5th century was performed by the author with the following results. The age of the child who was burried at the Linking Cist was presumed to be in the 5-year-old child. The age of the child of the Cist No. 32 NW-2 was presumed to be in the late three year to rarly four-year-old child. These ancient deciduous teeth revealed some large size of the crown in compared with the crown of the modern human teeth.
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서연호,서혜경,문선혜,박노부,이용오 啓明大學校 醫科大學 1993 계명의대학술지 Vol.12 No.2
저자등은 악교정수술후에 발생하는 희귀성향에 관한 연구를 위하여 계명대학교 의과대학 치과학교실에 내원하여 하악전돌증으로 진단되어 하악후퇴술을 받은 7명의 환자를 대상으로 하여 수술전, 후의 경조직의 변화를 계측, 분석하여 다음과 같은 결과를 얻었다. 수술직후 Gn(H)는 평균 8.2mm 후방이동되었고 SNB는 평균 4.4 감소하였다. SNB는 장기간 경과후 수술직후보다 평균 0.9 증가되었으며 21.1%의 희귀율을 나타내었다. Gn(H)는 장기간 경과후 수술직후보다 6례에서 평균 1.3mm 전방희귀되었으며 나머지 1례에서 4mm 후방이동되었다. SN-MP 및 gonial angle 은 장기간 경과후 수술 직후보다 각각 평균 2.2 ,5.8 증가되었다. Gn(V)는 장기간 경과후 수술직후와 비교하여 변화가 없는 경우가 4례, 증가 2례, 감소 1례로 나타났다. 상하악 중절치는 장기간 경과후 수술직후보다 각각 순측 혹은 설측으로 경사되었다. This study was undertaken to examine relapse tendency after mandibular setback. Seven cases were selected from patients who underwent orthodontic treatment and mandibular setback surgery in our department. The serial lateral cephalogram of each patient were obtained and analyzed: The result were as follows; 1. By operation, Gn(H) moved backward (average 8.2mm), SNB angle decreased(average 4.4˚). 2. When the long term follow-up measurements were compared with the immediate postop, mesurements. ·SNB angle increased on average by 0.9˚and relapse tate was 21.1%. ·GN(H) returned foward on average by 1.3mm in 6 cases, moved backward by 4mm in 1 case. ·SN-MP and gonial angle increased on average by 2.2˚, 5.8˚respectively. ·Gn(V) stayed unchanged in 4 cases, increased in 2 cases, decreased in 1 case. ·Upper and lower incisors slightly moved labially or lingually.
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睡液中 Testosterone의 含量과 血淸中 High Density Lipoprotein Cholesterol의 消長이 座瘡發生에 미치는 效果
李容五,卞種秀 慶北大學校 齒科大學 1985 慶北齒大論文集 Vol.2 No.1
Sex hormone levels are possibly related to risk of heart disease through lipoprotein levels, specifically high density lipoprotein (HDL) cholesterol. HDL cholesterol is a powerful protective factor. Women have higher HDL cholesterol levels than men. Female sex hormones appear to be strongly related to HDL cholesterol; estrogen increases and progesterone decrease HDL cholesterol levels. There is some suggestion that pharmaceutical doses of testosterone will lower HDL cholesterol levels. Little is known about the relation between endogenous testosterone and HDL cholesterol levels. Acne is considered to be an androgen dependent condition and free testosterone in saliva is a useful marker of androgenicity in acne. Hence concentrations of salivary and serum testosterone, serum HDL cholesterol, total cholesterol, triglycerides and phospholipids were determined in male and female patients with varying grades of acne. Levels of salivary testosterone in male patients with acne cystica were slightly higher than those of men without acne, while men and women with acne vulgaris and women with acne cystica had normal salivary testosterone values. Levels of serum testosterone in male and female patients with acne (vulgaris or cystica) were not significantly different from those of controls. Levels of HDL cholesterol in male and female patients with acne cystica were significantly reduced as compared with levels in sex-matched controls and patients with acne vulgaris, while levels of total cholesterol, triglycerides and phospholipids in male and femal patients with acne (vulgaris or cystica) were not significnat. Salivary testosterone levels were negatively correlated with HDL cholesterol in male patients with acne, while salivary testosterone levels were positively correlated with HDL cholesterol in femal patients with acne.
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이용오,문선혜,Lee, Y.O.,Moon, S.H. 대한악안면성형재건외과학회 1991 Maxillofacial Plastic Reconstructive Surgery Vol.13 No.3
We retrospectively reviewed 334 inpatients who sustained a total of 518 mandibular fractures and who ewer treated in our department between l980-1990. This results were obtained as follows : 1. In respect of incidence, there were the highest frequency in July, and the lowest frequency in May. The number of patients has not been increased year after year due to competition with other department in our hospital. 2. The age frequency was the highest in the 2nd decade(38.9%) and the ratio of man to women was 4.9 : 1. 3. The most frequent cause of mandibular fracture was traffic accident(43.4%), and the next was fall down(24.3%), fist blow(71%), industrial accident(21%) and others in order. In the traffic accident, autobicycle accident was 14.1%. 4. The most common location of mandibular fracture was symphysis(38.8%), condyle(20.7% ), angle(19.9%) and body(15.1%) were next in order of frequency. The classification by location of fracture, the frequency of single fracture was 54.8%. 5. In 334 patients of mandibular fracture, the frequency of associated injuries was facial laceration(58.4%), teeth injuries(37.7%), extremity injuries(13.2%) were next in order of frequency. 6. The patients arrived in hospital immediately within 24 hours after accident wee 61.4% of all. In respect of treatment, open reduction was 68.7% of all. 7. Complications including infection were present 11.1% of patient. Other complications inclued delayed healing malocclusion, malocclusion and neurologic problem.
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보행자와 차량의 정체와 흐름 및 안전을 분석하는 AI 신호등 시스템 연구
이용오,박대우 한국정보통신학회 2023 한국정보통신학회논문지 Vol.27 No.8
In urban centers in South Korea, vehicle speeds on public roads are typically 50 km/h, and speeds in elementary school zones are within 30 km/h. There are many traffic jams on the roads, and most vehicles drive close to westbound. In addition, the efficiency of traveling is very low due to regular traffic jams, and the number of vehicles varies depending on the traffic light, making it uneconomical to operate vehicles overall. If pedestrians and vehicles are analyzed through cameras (CCTV) installed on road sections, and artificial intelligence (AI) is introduced to each traffic light section to operate artificial traffic lights, it will be efficient to solve traffic congestion. In this paper, we study an AI traffic light system that analyzes the flow of vehicles and pedestrians through image recognition and analysis of road camera images, and improves the movement efficiency of vehicles and pedestrians through automatic adjustment of traffic lights in congested sections. 한국의 도심에서 차량의 일반도로 속도는 보통 50km/h이고, 초등학교 스쿨존의 속도는 30km/h 이내이다. 도로는 정체 구간이 많아 대부분의 차량이 서행에 가깝게 운전한다. 또한, 상습 정체 구간으로 인해 이동에 대한 효율성이 매우 낮은 것이 현실이며, 신호등에 따라서 구간마다 차량이 적고 많음이 달라서 전체적으로 보면 비경제적인 차량 운행이 되고 있다. 만약 도로 구간에 설치된 카메라(CCTV)를 통해 보행자와 차량을 분석하고, 신호등 구간마다 인공지능(AI)을 도입하여 인공지능 신호등을 운영한다면 교통체증을 해소하는데 효율적일 것이다. 본 논문에서는 도로의 카메라 영상에 대한 영상인식과 분석을 통해 차량과 보행자의 흐름을 분석하고, 정체 구간의 신호등 자동 조정을 통해 차량과 보행자의 이동 효율성을 개선하는 인공지능 신호등 시스템을 연구한다.
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