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Galvannealed Steel의 点溶接의 溶接性에 관한 硏究
류병길,강춘식 대한용접접합학회 1987 대한용접·접합학회지 Vol.5 No.1
The Weldability of gavannealed steel using spot welder has been studied. The Results obtained are a follows; 1) Welds size and strength were increased depending on the welding time and welding current. But, the increasing rate has been decreased. 2) Deposited zinc has affected on the wear of welding tips and growth of welds but has not affected the weld's structures. 3) On shear testing of the specimen, button fracture has been observed and the value was approximately 540Kg (welds dia. approximately .phi.4mm)
류병길,윤현중,이상화,Ryu, Byoung-Gil,Yoon, Hyun-Joong,Lee, Sang-Hwa 대한악안면성형재건외과학회 2012 Maxillofacial Plastic Reconstructive Surgery Vol.34 No.4
Squamous cell papillomas are one of the most common lesions of the oral mucosa with a mucosa of the hard and soft palate, including the uvula, palate, tongue and lips. As an oral lesion, it raises concerns because of its clinical appearance, which may mimic exophytic carcinoma. Its pathogenesis is related to the human papilloma virus (HPV), but there is controversy regarding its viral origin. Many considered its pathogenesis as being from the HPV. But recent literature suggests that the presence of HPV may be merely an incidental finding unrelated to the development of a squamous papilloma. We accidentally found a patient not related to the HPV of oral squamous papilloma on the tongue, and we will report this case with literature review.
류병길,윤현중,이상화,Ryu, Byoung-Gil,Yoon, Hyun-Joong,Lee, Sang-Hwa 대한악안면성형재건외과학회 2012 Maxillofacial Plastic Reconstructive Surgery Vol.34 No.6
Skull base osteomyelitis is a very rare disease that affects the bone marrow of the temporal bone, sphenoid bone, occipital bone. It occurs typically chronic ear canal infections by malignant otitis externa, but some of atypical osteomyelitis have been reported. It most commonly presents old diabetic patients, and have high morbidity and mortality rate if diagnosis and treatment are delayed. However with respect to pain or dysfunction, it appeared similar to the initial symptoms of temporomandibular joint disorder. So frequently, definitive diagnosis is tend to delayed. We have clinical experience that a patient who presented with symptom similar to temporomandibular disorder, and differential diagnosised by skull base osteomyelitis. We will report this case with literature review.