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여인문,류창열 충남대학교 공업교육연구소 1995 論文集 Vol.18 No.1
This research was to find out the roles of technology teacher perceived by technology teachers. The specific objectives of the research were threefold; (1)to find out the expected roles for technology teacher based on the literature review, (2)to find out the roles for technology teacher perceived by technology teachers, (3)to find out real time input in each expected role for technology teacher. The method of this research was questionnaire survey conducted by the technology teachers. The technology teachers were selected by cluster sampling method. After data screening, 100 data were analyzed by frequency, percentage and paired T-test. The main findings of this research were as follows: (1)technology teachers teached 3.3 classes a day average. They spend 0.6 hours on evaluation after test, 0.8 hours in counseling students, 1.1 hours in managing official documents and doing office work, and 0.4 hours on activities related to industrial fields per a day average. (2)the optimal time spent per a day at school which technology teachers perceived were 2.8 hours in teaching, 1.7 hours in preparation of teaching, 0.5 hours in evaluation, 0.8 hours in counseling, 0.5 hours in managing documents, 0.4 hours in activities in relation to industrial fields. (3)technology teachers knew the importance of ability to teach student how to operate tools and machine, to demonstrate manufacturing technics, to develop students' crativity in technics, to manage workshop, to teach students safety in workshop. But technology teachers didn't spend their time and energy in these roles.
여인범,민승기,오승환,권경환,최상문,박상규,Yeo, In-Bum,Min, Seung-Ki,Oh, Sung-Hwan,Kwan, Kyung-Hwan,Choi, Sang-Moon,Park, Sang-Kyu 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.6
According to the development of operation technique and biologic materials, oromaxillofacial surgery department have used many kinds of metal and biologic materials in ORIF and plastic surgery. In maxillofacial fracture, ORIF with metal plate and screw have short healing period and good prognosis. But ORIF with metal materials have many complications as maxillofacial abnormal growth, screw loosening, bone malunion. And metal materials have not used in infection site. The purpose of this study is to evaluate the clinical value of 10 condylar fracture patients operated with absorbable screw at Wonkwang university. Ten patients(8 males, 2 female, mean aged 28) who had mandibular condyle process fracture treated with PLLA implants(poly-l-lactide) was recalled for follow-up clinical and radiologic examination for 10 years. Mouth opening recorvered to more than 35mm and occlusion was stable in all patients. All fractured mandibular condyles showed anatomic good reduction and long-term stability with the use of resorbable miniplates and screw. Bone healing was satisfactory in all patients, and there was no evidence of abnormal resorption of condylar process.