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齒科 임프란트를 利用한 補綴物이 周圍組織에 미치는 影響에 關한 硏究
지창주(Chang-Joo Ji),김종여(Jong-Yuh Kim),조인호(In-Ho Cho) 대한치과이식임플란트학회 1991 The Korean Academy of Implant Dentistry Vol.11 No.1
The purpose of this study was to investigate the effect masticatory load on the peri-implant tissues. The maxillary and mandibular molars of the dog were extracted, and the titanium alloy implant and HA coated implant were installed after wound healing. After the specimen being treated with conventional methos, radiographic and histological studies were carried out. The results were as follows : 1. No radiolucency was shown of around the implants implanted in the maxilla and mandible. 2. The inflammatory response of peri-implant soft tissues was mild and there was no significant apical migration of junctional epithelium. 3. Dense lamellate bone existed between implant and interface surface. The interface of implant and surrounding bone was composed of the dense lamellate bone. 4. In the maxilla, the bony tissue around the implant apex was almost comprised of yellow bone marrow, but the interface of that area was surrounded with the lamellate bone. 5. In the mandible, the tissues around the implant apex were consisted of cancellous bone and bone marrow.
上顆洞 擧上術式後 즉시 埋植한 齒根形 埋植體의 周圍組織 反應에 關한 研究
문은수(Eun-Soo Moon),김종여(Jong-Yuh Kim),조인호(In-Ho Cho) 대한치과이식임플란트학회 1991 The Korean Academy of Implant Dentistry Vol.11 No.1
The purpose of this study was to evaluate the tissue reaction around the implnts installed by maxillary sinus lifting technique. The edentulous area was provided by extracting left maxillary molars of mature female dog. After healing, the cylindrical screw and basket type titanium implants were installed by sinus lift technique and the sinus was filled with non-resorbable HA. The specimens were obtained after 6 months’ osseointegration period and radiological and histological studies were performed on the peri-implant tissues. The results were as follow ; 1. The two types of titanium implants which were installed into maxillary sinus were maintained healthy condition without mobility and inflammation. 2. The surrounding area of the implant and HA granules showed osseointegrated bone when observed by radiological and histological study. 3. In the view point of histology, mild infiltlation of inflammatiory cells was found beneath of soft tissue epithelium at the recipient site of the implant, and the prepared edentulous bony site was covered with bone tissue. The part of HA filled interface was covered with bone tissue and connective tissure partially 4. In the area filled with HA, HA granules which were close to sinus wall were mostly surrounded by bone, and those which were far from sinus wall were surrounded by connective tissue. 5. The membrane of maxillary sinus maintained healthy condition without any evidence of inflammation.