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조사현,양규호,김수지 大韓小兒齒科學會 1997 大韓小兒齒科學會誌 Vol.24 No.3
This report presents a case of adolescent patient who had multiple impacted teeth and no systemic disease, and was treated with removable and fixed orthodontic appliances. The results obtained through these cases were summarized as follows: 1. Even in the case without systemic disease, there can be the delayed eruption of multiple teeth. 2. If the root formation is not completed, root have no excessive curvature, axial inclination of the tooth is not excessive, and there is eruption space, the tooth can be induced to normal occlusion. 3. Since esthetically proper occlusion and dentition was acquired by recovery of the impacted teeth ot normal occlusion, the prosthodontic treatment after extraction of the impacted teeth was less needed. 4. This treatment brought psychological stability to pubertal patient who was interested in his facial profile.
비동맥류성 자발성 지주막하 출혈을 예측할 수 있는 뇌전산화 단층촬영 소견
조용은,허승곤,서정호,이규창 대한신경외과학회 1988 Journal of Korean neurosurgical society Vol.17 No.5
Fourty-seven patients with non-aneurysmal spontaneous subarachnoid hemorrhage were reviewed retrospectively. Attention was directed to the distribution and amount of subarachnoid hemorrhage on computerized tomography scans. Though the hemorrage could be distributed in all cisterns, the frequency and amount of hemorrhage were higher in infratentorial cisterns than in supratentorial cisterns. Among infratentorial cisterns, the hemorrhage was distributed to cisterns around the brainstem mainly and it had a predilection for interpeduncular cistern. Also the telangiectasia of thalamoperforating artery might be one of the causes of non-aneurysmal spontaneous subarachnoid hemorrhage.
과학적 창의성 신장을 위한 교사발문의 개발 및 적용 : 고등학교 지구과학 교과 중심으로
조규성,박미숙,정덕호 경북대학교 과학교육연구소 2009 科學敎育硏究誌 Vol.33 No.1
This study aimed at designing an effective earth science instruction which would help to improve students' scientific creativity using the questioning strategies. The developed questioning strategies were applied to 153 students of 10^(th)~11^(th) grades from March, 2004 to February, 2006. The Reaction Evaluation of Educational Program was used for students' reponses on these questioning strategies. And the Creativity Test developed by the Korea Institute for Aptitude Test was used for the changes of students' scientific creativity. The students responded that these questioning strategies improved students' scientific creativity, and those did not promoted interaction between the teacher and the students. After implementing these questioning strategies, students' analogical ability of language was evaluated the largest score among the 6 categories of scientific creativity. The survey about students' scientific creativity showed that there are meaningful differences between before and after implementing these questioning strategies : analogical ability of figure, analogical ability of language, reading comprehension ability. 본 연구는 고등학교 지구과학 수업을 중심으로 발문 전략을 수립하고 이를 적용함으로써 학생들의 과학적 창의성을 신장시키는데 그 목적이 있다. 2004년 3월에서 2006년 2월 기간까지 고등학교 학생 153명을 대상으로 하였다. 프로그램 반응 평가지를 통하여 발문전략에 관한 학생들의 반응을 살펴보았다. 또 한국적성검사연구소에서 제작한 창의성 검사를 통하여 학생들의 과학적 창의성 신장 여부를 분석하였다. 학생들은 발문전략을 적용한 교수학습 방법이 과학적 창의성을 신장에 도움이 되었다고 반응하였지만, 교사와 학생 사이의 상호작용 증진에는 효과가 없었다고 반응하였다. 발문 전략을 적용한 교수학습의 결과 언어유추능력 항목에서 가장 많은 향상을 보인 반면, 계획적 분석능력 항목에서 가장 작은 향상을 보였다. 대응표본 t검정 결과 도형유추능력, 언어유추능력, 문장이해력 항목에서 유의미한 차이를 보였다.
강모단 하방에 용수철이 부착된 칫솔의 치태 제거 효과에 관한 임상적 연구
조성훈,양규호,오종석 전남대학교 치과대학 2000 전남치대논문집 Vol.12 No.1
Oral examinations were conducted before the experiment started. The students were given common toothbrushes (control group) or spring-attached toothbrushes (experimental group) and instructed to brush their teeth by scrubbing method. Measurement of plaque index and count of salivary bacteria were done at 0, 1, 3, and 5 weeks. 1. Mean plaque index was significantly reduced at week 1 compared with at week 0 in both groups. (P<0.05) 2. Mean plaque index was significantly reduced at week 3 compared with at week 1 in the experimental group. (P<0.05) 3. Mean plaque index was significantly reduced at week 5 compared with at week 3 in the experimental group. (P<0.05) 4. There were no significant differences of mean plaque index among week 1, week 3, and week 5 in control group. (P>0.05) 5. The number of salivary bacteria was slightly reduced during the experiment, however there was no statistical significance. (P>0.05) To reduce the plaque effectively, the use of spring-attached toothbrush should be recommended, and adequeate instruction for children is needed.
축차확률비 검정을 이용한 실제값과 Wald 근사값의 정확도에 관한 연구
조규민,조건호,박용우 대구대학교 산업기술연구소 1993 産業技術硏究 Vol.12 No.-
Sequential analysis refers to techniques for testing hypotheses or estimating parameters when the sample size is not fixed in advance but is determined during the course of the experiment by criteria which depend on the observations as they occur. In this paper, We considered the properties of Wald approximations in S.P.R.T. and compared exact value with the Wald approximations by using a example and then found the error probabilities α_(0),α₁and expected sample size (average sample number) E(N) by S.P.R.T in AR(1). Conclusively, We discovered that Wald approximations tend to over-estimate the true error probabilities.
정호근,조재규,최칠구,김사균 한국농업정보과학회 2000 농업정보과학 Vol.2 No.1
Generally farmers cultivate 2 or 3 crops in a year, In some cases more than 10 crops are culti-vated in a year by a farmer, These crop numbers and varieties also might be changed depending on the farmer's income based on the crop. Therefore, farmers have diHiculty in configurating the recommended for-tilizer rate for each crop. This study developed a series of user-friendly EXCEL Program to help farmers and extension specialists making decision on fertilizer rate for each crop. By using the program farmers can decide appropriate fertilizer rates based on the soil test results for each field and crop, which can improve fertilizer use efficiency. Also, this program might be useful to make a farm plan by reflerting fertilizer tost required for each field.
조성훈,양규호 大韓小兒齒科學會 1997 大韓小兒齒科學會誌 Vol.24 No.4
Odontogenic maxillofacial space abscess in children was treated by the surgcal intervention combined with antiboitic therapy. Followings are the results after monitoring its progression. 1. Maxillofascial space abscess is mainly from the odontogenic infection and it may result in the severe states with the various fascial spaces and their relatives. So their early detection and treatment are needed. 2. The most common symptom in patients was the pain under palpation with painful swelling and the mouth floor elevation was observed in the sublingual space abscess. 3. In most cases, for its treatment, symptomatic therapy, antibiotic therapy, surgical incision and drainage were executed. If the infected tooth is possibly conserved, endodontic treatment is preferred, otherwise, it will be extracted as soon as possible.
수은, 납 및 구리에 대한 붕어(Carassius auratus)와 돌고기(Pungtungia herzi) 자어의 급성독성
조규석,박종호,김주찬 한국물환경학회 2004 한국물환경학회지 Vol.20 No.3
Larva of Carassius auratus and Pungtungia herzi were exposed to mercury (HgCl₂), lead (PbCl₂) and copper (CuSO₄) to determine acute toxicity. The toxicity tests were conducted triplicate and the LC_(50) values (24, 48, 72 and 96 hours) were determined for two species. Data obtained from the toxicity tests were evaluated using the probit analysis. Although sensitivities of two species to mercury were relatively similar, C. auratus was more susceptible than P. herzi to the exposure of lead but P. herzi was more sensitive than C. auratus on copper. The sensitivity on three metals tested may be ranked in the following order from highest to lowest toxicity on larval stage of these fish: mercury > copper > lead. It is suggested that acute toxic test at the larval stage of C. auratus and P. herzi, indigenous species in Asia area, is an important part of the ecotoxicological assessment of some heavy metals.