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임플란트 주위 조직 보존을 위한 임플란트 경부의 디자인에 관한 고찰

Other Titles
 Considerations in implant crestal module to preserve peri-implant tissue 
 김홍준  ;  김지환  ;  박영범  ;  이재훈  ;  김성태 
 Journal of Korean Academy of Prosthodontics (대한치과보철학회지), Vol.49(4) : 346-353, 2011 
Journal Title
 Journal of Korean Academy of Prosthodontics  (대한치과보철학회지) 
Issue Date
PURPOSE: The peri-implant soft tissue is remodeled by the initial marginal bone resorption affecting the prognosis and esthetic result of treatment. Thus various designs on implant neck design are studied to preserve peri-implant bone. The purpose of this study is to review on the causes of initial marginal bone resorption, the configuration of peri-implant soft tissue, and the implant crestal module favorable in preserving peri-implant tissue. MATERIALS AND METHODS: The studies on the causes of initial marginal bone resorption and the implant crestal modules are researched and reviewed using Pubmed database. The implant crestal modules including one piece and two-piece implant, internal and external hex abutment, taper and butt joint connection, scalloped design abutment, and platform switching concept are reviewed. RESULTS: A number of clinical and experimental studies preferred one piece implant to two-piece in preserving initial peri-implant tissue. For two piece implants, internal hex abutment and taper joint connection appear more favorable than external hex abutment and butt joint connection relatively. Controversial issues still exist on scalloped design requiring more studies on it. Although the rationale is not certain, the concept of platform switching seems favorable in preserving initial peri-implant tissue based on clinical and experimental studies. CONCLUSION: Each implant crestal module contains its own advantages and disadvantages with various controversial issues. In the aspect of preservation of initial peri-implant tissue, however, one-piece implant seems beneficial. In cases when two-piece implant is more appropriate due to prosthodontic concerns or any other problems, the application of platform switching concept, internal connection abutment, and taper joint connection may be favorable for the preservation of peri-implant tissues
Appears in Collections:
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실)
Yonsei Authors
김성태(Kim, Sung Tae) ; 김지환(Kim, Jee Hwan) ; 박영범(Park, Young Bum) ; 이재훈(Lee, Jae Hoon)
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