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상악동 점막 거상 술식에서 자가 정맥 혈액의 사용이 상악동 저 증강에 미치는 영향
김하랑(Ha-Rang Kim),모동엽(Dong-Yub Mo),이천의(Chun-ui Lee),유재하(Jae-Ha Yoo),최병호(Byung-Ho Choi) 대한구강악안면외과학회 2009 대한구강악안면외과학회지 Vol.35 No.5
There have been reports of successful bone formation with sinus floor elevation by simply elevating the maxillary sinus membrane and filling the sinus cavity below the lifted sinus membrane with a blood clot. But, in a review of the current literature, we found no animal study that substantiated blood clot’s ability in this respect. The aim of this study was to investigate the effect of the method of maxillary sinus floor augmentation using the patient’s own venous blood in conjunction with a sinus membrane elevation procedure. An implant was placed bilaterally in the maxillary sinus of six adult mongrel dogs so that it protruded 8 mm into the maxillary sinus after sinus membrane elevation. On one side of the maxillary sinus, the resultant space between the membrane and the sinus floor was filled with autologous venous blood retrieved from the dog. On the opposite side, the maxillary sinus was left untreated as a control. The implants were left in place for six months. The mean height of the newly formed bone in the sinus was 3.7 mm on the side without venous blood and 3.5 mm on the side with venous blood(p>0.05). There was no difference between the two sides regarding new bone height in the sinus. Our results indicate that filling the space between the lifted sinus membrane and the sinus floor with venous blood has no effect on bone formation around implants placed in the maxillary sinus cavity.
설신경과 장협신경 전달마취 시행 후 발생된 설부와 협선반부의 장기간 이상감각증 관리 -증례보고-
김하랑,유재하,최병호,모동엽,이천의,김종배,Kim, Ha-Rang,Yoo, Jae-Ha,Choi, Byung-Ho,Mo, Dong-Yub,Lee, Chun-Ui,Kim, Jong-Bae 대한치과마취과학회 2009 Journal of Dental Anesthesia and Pain Medicine Vol.9 No.2
Trauma to any nerve may lead to persistent paresthesia. Trauma to the nerve sheath can be produced by the needle. The patient frequently reports the sensation of an electric shock throughout the distribution of the nerve involved. It is difficult for the type of needle used in dental practice to actually sever a nerve trunk or even its fibers. Trauma to the nerve produced by contact with the needle is all that is needed to produce paresthesia. Hemorrhage into or around the neural sheath is another cause. Bleeding increases pressure on the nerve, leading to paresthesia. Injection of local anesthetic solutions contaminated by alcohol or sterilizing solution near a nerve produces irritation; the resulting edema increases pressure in the region of the nerve, leading to paresthesia. Persistent paresthesia can lead to injury to adjacent tissues. Biting or thermal or chemical insult can occur without a patient's awareness, until the process has progressed to a serious degree. Most paresthesias resolve in approximately 8 weeks without treatment. In most situations paresthesia is only minimal, with the patient retaining most sensory function to the affected area. In these cases there is only a very slight possibility of self injury. But, the patient complaints the discomfort symptoms of paresthesia, such as causalgia, neuralgiaform pain and anesthesia dolorosa. Most paresthesias involve the lingual nerve, with the inferior alveolar nerve a close second. This is the report of a case, that had the persistent paresthesia care on left lingual & buccal shelf regions after the lingual and long buccal nerve block anesthesia.
골프용품 소비자의 체면민감성과 상표의존성향 및 신제품 교체구매의향과의 관계 연구
김애랑(Kim, Ae-Rang),이병관(Lee, Byung-Kwan) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.6
The purpose of this study was to examine the structural relationship among factors such as social-face sensitivity, brand dependency, and purchase intentions of new product replacement of golf goods consumers. People who visited golf courses or driving ranges located in Seoul, Gyeonggi, and Chung-Cheong areas were selected as samples for this study. For the validity and generalization of the study, the golf career was limited to two years or more, and the numbers of golf rounding were also limited to those who played five or more rounds per year. Through this data collecting process, a total of 283 samples were selected and used for the final data analysis. SPSS WIN 25.0 was used for the data analysis including a frequency analysis, reliability test and correlation analysis. The model and hypothesis were tested using AMOS and the followings are the results obtained from the data analysis. First, social-face sensitivity of golf goods consumers had a positive effect on brand dependency. Second, social-face sensitivity of golf goods consumers had no positive effect on the purchase intentions of new product replacement. Lastly, brand dependency of golf goods consumers had a positive effect on the purchase intentions of new product replacement.
장기간의 보존적 배농술로 치료된 하악 복합골절 관련 광범위 골수염 치험 : 증례보고
김하랑,유재하,최병호,설성한,모동엽,이천의,Kim, Ha-Rang,Yoo, Jae-Ha,Choi, Byung-Ho,Sul, Sung-Han,Mo, Dong-Yub,Lee, Chun-Ui 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.6
Failure to use effective methods of reduction, fixation and immobilization may lead to osteomyelitis with the exposed necrotic bone, as the overzealous use of transosseous wires & plates that devascularizes bone segments in the compound comminuted fractures of mandible. Once osteomyelitis secondary to fractures has become established, intermaxillary fixation should be instituted as early as possible. Fixation enhances patient comfort and hinders ingress of microorganisms and debris by movement of bone fragments. Teeth and foreign materials that are in the line of fracture should be removed and initial debridement performed at the earliest possible time. Grossly necrotic bone should be excised as early as possible ; no attempt should be made to create soft tissue flaps to achieve closure over exposed bone. The key to treatment of chronic osteomyelitis of the mandible is adequate and prolonged soft tissue drainage. If good soft tissue drainage is provided over a long period, sequestration of infected bone followed by regeneration or fibrous tissue replacement will occur so that appearance and function are not seriously altered. Localization and sequestration of infected mandible are far better performed by natural mechanism of homeostasis than by cutting across involved bone with a cosmetic or functional defect. As natural host defenses and conservative therapy begin to be effective, the process may become chronic, inflammation regresses, granulation tissue is formed, and new blood vessels cause lysis of bone, thus separating fragments of necrotic bone(sequestra) from viable bone. The sequestra may be isolated by a bed of granulation tissue, encased in a sheath of new bone(involucrum), and removed easily with pincettes. This is a case report of the long-term conservative drainage care in osteomyelitis associated with mandibular fractures.
일부 농촌지역 50세 이상 여성의 영양소 섭취 실태와 관련 요인 연구
김기랑,이상선,김미경,김찬,최보율,Kim, Ki-Rang,Lee, Sang-Sun,Kim, Mi-Kyung,Kim, Chan,Choi, Bo-Youl 대한지역사회영양학회 1998 대한지역사회영양학회지 Vol.3 No.1
This study was conducted to reveal nutrient intakes and factors affecting the nutritional status of elderly women in a rural area. The data of dietary intakes were obtained using 24hour recall data which were collected from 244 women subjects older than fifty years old. The data from the questionnaire regarding eating habits were obtained through interview. The education level and economic status of the subjects in this study were very low and education level(p<0.001), occupation(p<0.001), marital status(p<0.001), family size(p<0.05) and smoking habit(p<0.05) were significantly different among different age groups. The nutrient intakes of all age groups were not adequate to RDA level-specially, micronutrient intakes were lower in those in their sixties compared to those in their fifties. Important factors associated with variation in nutrient intakes of subjects were beef preference, regular eating habits, and education level. Therefore it is necessary to focus on subjects with low education levels and low income in order to improve the health and nutritional atatus of the elderly in rural areas. It is necessary to prepare a nutritional education program to establish and maintain good eating habits of the elderly in rural areas.
김종무(J.M. Kim),정연호(Y.H. Jeong),강도현(D.H. Rang),임태윤(T.Y. Im),김동희(D.H Kim),이석규(S.G. Lee) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
In the System-integrated modular advanced reactor (SMART), the motor for Control element drive mechanism(CEDM) requires high density power and simple drive mechanism to reduce volume because of restriction by install-space and must satisfy the reactor operating circumstances with high pressure and temperature.<br/> To Maximize the characteristics of the TFM, we chose the asymmetric bridge converter as the driving system for TFM. Because two switching devices are connected in series with the stator winding of each phases in the asymmetric bridge converter all the phases are not affected by another phase but controlled independently. Also, this converter has many advantages that the various control methods can be adopted, it is easy to control, and that in case that the switching devices of a phase are damaged, the affects can be minimized.<br/>