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RISS 인기검색어
- 검색키워드
- 저자 : 朴金沫 (검색결과 3 건)
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F.D.B.I.를 利用한 全領(上.下領) 아 - 치 型 繼續 橋義歯 回復症例. 가톨릭 医科大学 歯科学 教室 聖母症院 歯科
朴金沫,李鳳遠,表拥 대한치과이식임플란트학회 1981 The Korean Academy of Implant Dentistry Vol.2 No.1
In the past some decades, considerable developm ent has been achieved in the field of oral implantology. Especially, in the 1960’ s and 1970’ s the developm ent of materials with biocompatib ility and improved physical propertie s gave renew ed impetus to the use of dental implants. The authors practiced fixed crown and bridge work for upper and lower complete arch after implantation of Free Design Blade Implant on the lower bilateral free -end saddle areas and upper left canine, 1st premolar and 2nd premolar missing area. Upper blade was designed to have one head and lower blades were double heads because of long span. Now that about two years have passed, not only find authors no inflammation a round the blade heads, but patient is satisfied with the results —esthetic and masticatory function.
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數種의 BLADE-VENT 人工齒牙들의 病理組織學的 研究 가톨릭 醫科大學 齒科學 敎室
李哲遠,朴金沫,裴昶,崔牧均 대한치과이식임플란트학회 1988 The Korean Academy of Implant Dentistry Vol.8 No.1
We histopathologically observed the tissue reaction around several new types of blade implants in the mandibles of dogs. Those implants which we used were submergible implants which took two stage insertion technique, and shape memory metal (Nitinol) implants whose shape could be changed by thermal change after insertion, which could prevent the sinking tendency of old-used blade implant. As the control group we used the Free Design Blade Implant(F. D. B. I.) which could be made up of various size. With general anesthesia, the 1st, 2nd and 3rd premolars of five mongrel dogs were pulled out. Three months later,, we implanted three different sizes of six F.D.B.I. and shape memory implants in the mandibles of four dogs. On their left side of the mandibles, blade implants with head were inserted and on their right side, blade implants without head were inserted. Two submergible implants were implanted in the mandible of the last dog and three months later, the post was fixed on its left side only. Six months after implantation, all mandibles were removed and specimens were made by routine method. Those specimens were stained with Hematoxylin and Eosin, MassorrTrichrome,VarrGieson and Reticulin. The results were as follows ; 1. There was inflammation on the neck area of all blade implants with head and relatively thick fibrotic capsule on the F.D.B.I. with head. But tissue reaction of all implants was favorable. 2. From the samples of the F.D.B.I. with head, we found that the larger size implant had less mobility, thinner fibrotic capsule and less bone resorption tendency. 3. The fibrotic capsule of the F .D .B .I. with head was composed of two layers. The inner layer was composed of acellular collagenous fibers which ran prallel to the implant surface, and outer layer was composed of collagenous fibers which ran irregularly like meshwork, attached to the bone. 4. In the case of blade implants without head, very thin fibrotic tissue covered the implants and in some area, bone was directly contacted to the implant surface. 5. In the case of the shape memory and the submergible implant with head, there was less mobility, thinner fibrotic capsule and less bone resorption tendency than that of F .D .B .I. with head.
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犬下顆骨에 移植된 TITANIUM 大工齒牙의 周圍組織反應에 關한 病理組織學的 研究 가톨릭 醫科大學 齒科學教室
崔牧均,表雅,李鳳遠,朴金沫 대한치과이식임플란트학회 1984 The Korean Academy of Implant Dentistry Vol.5 No.1
The authors observed the histopathological tissue reaction to the Free Design Blade-vent Implants made of pure titanium in the mandibles of dogs. The mandibular left 2nd, 3rd premolar teeth in 4 healthy dogs (4045kg B.W.) were removed. Twelve weeks after the extraction, the F.D.B.I. were implanted into the extracted premolar areas.S ix months after the implantation, the tissue blocks containing the implants were removed. These block sections were fixed in 10% neutral buffered formalin for 2 days and decalcified in 5% trichloracetic acid. The buccal side of the blocks were removed with a knife and F.D.B.I. were detached to buccal from the tissue blocks • Then the implants were prepared and examined in scanning electron microscope. The tissue blocks were embedded by paraffin embedding method and then sectioned by 7m. They were stained with hematoxylin and eosin. The obtained results were as follows: 1. The rete pegs of the epithelium around the sulcus were increased and the inflammatory calls were infiltrated in the connective tissue beneath the sulcular epithelium. 2. There was no fibrous capsule between the titanium and the bone. 3. Compact bone and spongy bone were formed around the titanium. Haversian system, new bone formation by osteoblast, and bone resorption by the osteoclast were observed in the bone. There was no osseous abnormality. 4. On the scanning electron microscope observation, epithelial cells were attached on the neck of titanium implants, that is, mechanical stress results in tearing within epithelium (or periimplant cervical tissue), rather than in a clean separation of the epithelium from implant surface. 5. From this study, it is concluded that force of epithelial attachment of titanium implants is almost equal to the natural teeth and that titanium implant is biocompatible with the living tissue.
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