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筋肉迷入이 骨折治癒過程에 미치는 影響에 關한 實驗的 硏究
Sang Chull Lee(李相喆),Dong Mock Ryu(柳東睦),Chong Ha Kim(金宗河) 대한구강악안면외과학회 1987 대한구강악안면외과학회지 Vol.13 No.2
The purpose of this study was to investigate the effect of muscle impingement to healing process of the fractured bone. For the purpose, the mandibular angle area of eight rabbit were used. In the experimental group the defects were made with 1㎜, 3㎜, and 6㎜, width and 10㎜ height, then the masseter muscle flaps were impinged in the defects and sutured with internal pterygoid muscles. In the control group the defects were made only as same manner on the opposite site. The experimental animals were sacrificed at 4 weeks after surgery and the operation sites were examined under the light microscope to observe the bony repair process histopathologically. The results obtained from this study were as follows: 1. The impinged muscular tissues were disparted and released by ribroblasts and collagen cell regeneration, but not resorpted. 2. Both fractured ends were united by collagen fibers containing muscular fibers. 3. New bone formation was observed under the bony cutting ends and cortical layers. 4. There are no remarkable differencies in the histologic changes of the healing processes according to the amount of the bony defects. 5. Large quantities of bony callus formation were observed in the bony defected portions of the control group.
이상철(Sang Chull Lee),김여갑(Yeo Gab Kim),유동목(Dong Mock Ryu),박영수(Young Soo Park),안재희(Jae Hee Ahn) 대한악안면성형재건외과학회 1984 Maxillofacial Plastic Reconstructive Surgery Vol.6 No.1
These are to report two cases of osteomyelitis occurred in the mandibles of 22-year-old and 36-year-old male patients. They were admitted to Department of Oral Surgery, Kyung Hee University Medical Center, with the chief complaints of left facial swelling, pain and mouth opening interference. The one was treated by conservative treatment without sequestrectomy, and the other was treated by extensive sequestrectomy from left mandibular body to left condylar region. The results were as follows: 1. In the case (1), the patient has visited with the state of acute osteomyelitis, but it was changed to chronic osteomyelitis in spite of massive antibiotic therapy it was diagnosed as gramnegative osteomyelitis caused by klebiella pneumoniae through the several cultures. 2. In the case (1), we observed in the radiogram, the sequestra about 15×10mm w size which has occurred in the inferior border of mandible near the left mandibular angle region. After 7 weeks of conservative treatment without sequestrectomy, which consisted of local wound care and massive antibiotic therapy, the author could notice the resorption of sequestra, in the radiogram. Six months later, in the floow-up check of the patient, we could observed marked bone regeneration without recurrence, 3. In the case (2), extensive bone destruction was noted on the left mandibular body, angle, ascending ramus, mandibular notch and condylar region. Following sequestrectomy, we could observed marked bone regeneration after 6 months. The author thought this bane regeneration as the result of osteogenesis of the periosteum and lingual cortical plate which had been remained healthy during the operation.
증예보고 : Globulomaxillary Cyst 에 대한 문헌고찰 및 치험예
이상철(Sang Chull Lee),김여갑(Yeo Gab Kim),임성수(Sung Soo Lim),유동목(Dong Mock Ryu) 대한악안면성형재건외과학회 1982 Maxillofacial Plastic Reconstructive Surgery Vol.4 No.1
The globulomaxillary cyst has been known as a fissural cyst which arised from embryonic ectodermal cells entrapped between developing facial processes. But, the origin of epithelial remnants has been a subject of confusion and controversy in the dental literature still now. This is a case report of globulomaxillary cyst which was diagnosed through the clinical, radiological, and histological examinations and review of literatures.
증예보고 : 편측성 하악두 증식에 의한 비대칭 안모의 악교정 외과적 치험예
이상철(Sang Chull Lee),김여갑(Yeo Gab Kim),유동목(Dong Mock Ryu),박영수(Young Soo Park),안재희(Jae Hee Ahn) 대한악안면성형재건외과학회 1983 Maxillofacial Plastic Reconstructive Surgery Vol.5 No.1
This is to report a case of facial asymmetry from unilateral condylar hyperplasia. 1. The patient, 29 years old female, has being suffered from facial asymmetry and masticatory disturbance for 12 years. 2. Clinical and radiographic examinations revealed hyperplasia of right mandibular condyle and elongation of condylar neck which was diagnosed as condylar hyperplasia. 3. We obtained excellent and functional results by the treatments of subcondylar ostectomy and pre-& post-operative orthodontic treatment.