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ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

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Peri-implantitis의 진단 및 치료
구기태(서울대학교) pp.252-257 https://doi.org/10.22974/jkda.2016.54.4.001
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Abstract

This manuscript aims at discussing the technical and biological aspects of peri-implant disease. The following contents will be discussed. -The difference between peri-implantitis and peri-implant mucositis. -Prevalence of peri-implant disease. -Risk factors for peri-implantitis. -Indications and boundaries of non-surgical and surgical treatment -Treatment flow-chart by Schwarz -Limitations of non-surgical treatment -Methods to decontaminate diseased surfaces -Importance of defect configuration in surgical treatment -Biomechanical factors that influence the progression and decontamination related to peri-implantitis -Maintenance of implants.

골유착된 임프란트 제거의 최신지견
김남윤(김남윤치과의원) pp.257-273 https://doi.org/10.22974/jkda.2016.54.4.002
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Abstract

In spite of appropriate treatment of peri-implantitis, the peri-implant bone loss was keep going, the clinician should remove the osseointegrated implant. the conventional methods are like a extraction of natural teeth, and use of trephine drills. In these days, many exclusive instruments are invented by implant companies. these instruments can make easy, least invasive, less traumatic removal of osseointegrated implants. In generally peri-implant bone loss progress steadily less sign and symptoms that the patient do not want to remove their implants. However, the failure of dental implant is big burden to clinicians and also patients. In the dental implant treatment, there is no 'failure' but only is 'replacement' or 'change'.

MRONJ 예방과 치료를 위한 최신지견
박정현(이화여대목동병원) ; 김선종(이화여자대학교) pp.274-283 https://doi.org/10.22974/jkda.2016.54.4.003
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Bisphosphonates are widely used mainly for the treatment of osteoporosis and bone metastasis of malignancy. Since the first report of MRONJ, there have been many studies associated, however the pathogenesis of MRONJ is not yet clear. Medicationrelated osteonecrosis of the jaws (MRONJ) is a serious complication associated with long-term medication therapy. It is characterized by exposed necrotic bonein the jaw, which has persisted for more than 8weeks despite continuous treatment by dentist. The mechanism of development of MRONJ is still unclear and there is no definitive standard treatment for MRONJ. The purpose of this study is to investigate the jaw bone destruction mechanism of accumulated bisphosphonates, so that we can develop therapeutic method to repair the defect and stop the destruction process. The authors performed simultaneous application of PRF(Platelet rich fibrin) and BMP-2(Bone morphogenetic protein-2) to stimulate not only soft tissue healing but also osseous regeneration. Our case series demonstrate that simultaneous application of platelet rich fibrin and bone morphogenetic protein-2 can be a treatment of choice for MRONJ.

콜라겐 유도 관절염 모델에서 동반된 치주염 유발시 EGCG가 치주염 치료에 미치는 효과에 관한 연구
조인우(단국대학교) ; 임성준(단국대학교치과대학부속치과병원) ; 신현승(단국대학교) ; 박정철(단국대학교) pp.284-295 https://doi.org/10.22974/jkda.2016.54.4.004
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collagen-induced arthritis (CIA) model in mice to enhance the understanding of rheumatoid arthritis (RA)-associated alveolar bone loss. Following the induction of CIA in animals (mice, n=16), mandibles were retrieved for micro-computed tomography (micro-CT) and isolation of alveolar bone cells (ABCs). In vitro osteogenic potentials of ABCs were evaluated and the mRNA expression of downstream effector genes was assessed. CIA was successfully induced in all animals, and micro-CT data showed that alveolar bone loss was significantly increased in the CIA group while the treatment of EGCG prevented the alveolar bone resorption. Osteogenesis by ABCs was significantly increased in the CIA+EGCG group in vitro. The analysis of mRNA expressions showed that osteoclastogenesis-associated genes were increased in CIA group while bone protecting genes were upregulated in EGCG treated group. The results demonstrate that EGCG downregulated the alveolar bone resorption in a CIA model in mice, and upregulation of bone protecting genes appear to be involved. Further studies are warranted.

근단변위판막술과 함께 유리치은이식술을 사용하여 임플란트 주변 각화치은을 증대시킨 2건의 증례 보고
백원선(연세대학교) ; 차재국(연세대학교) ; 이재홍(연세대학교치과대학) ; 이중석(연세대학교) ; 정의원(연세대학교) pp.296-305 https://doi.org/10.22974/jkda.2016.54.4.005
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Narrow zone of attached gingiva and shallow vestibule around the implants might contribute to difficulty of cleasing, periimplant mucositis caused by incomplete cleansing and further peri-implantitis. The aim of this case report is to present modification of soft tissue biotype around the implants by free gingival grafts according to timing of surgical intervention and shape of free gingiva. A 44 year-old male patient had a missing area on lower right second molar area with 1 to 2 mm of narrow attached gingiva zone and wanted to be treated by implant placement. In radiographic analysis, there was enough alveolar bone to install an implant, free gingiva from hard palate was grafted following implant placement using double layer flap. The width of attached gingival was increased to 4 to 5mm and well maintained during 5 months of follow up. A 69 year-old female patient also had a missing area on lower right first and second molar area with 1 to 2 mm narrow attached gingiva. Since she had systematically angina pectoris and dental phobia, minimal invasive free gingival graft after implants placement was planned. After 2 months of implant surgery, free gingival graft surgery was performed with healing abutments connection. The grafted gingiva was composed of two strip shaped free gingiva, and they were immobilized by periodontal pack. The width of attached gingival was increased to 4 to 5mm and well maintained during 10 months of follow up. With prosthesis delivery, the patients recovered ideal periodontal environment around implants and masticatory function. In conclusion, periodontal health and masticatory function could be achieved through implant placement and free gingival graft.

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