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학술저널
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대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제42권 제4호
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2020.1
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1 - 9 (9page)

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BackgroundThe aim of this study was to evaluate the long-term clinical stability of implants with acid-etched surfaces sandblasted with alumina using retrospective analyses of the survival rate, success rate, primary and secondary stability, complications, and marginal bone loss of the implants. MethodsPatients who had implants placed (TS III SA, SS II SA, SS III SA, and U III SA) with SA surfaces from Osstem (Osstem Implant Co., Busan, Korea) at the Seoul National University Bundang Hospital, from January 2008 to December 2010 were selected for the study. Patients’ medical records and radiographs (panorama, periapical view) were retrospectively analyzed to investigate sex, age, location of implantation, diameter, and length of the implants, initial and secondary stability, presence of bone grafting, types of bone grafting and membranes, early and delayed complications, marginal bone loss, and implant survival rate. ResultsNinety-six implants were placed in 45 patients. Five implants were removed during the follow-up period for a total survival rate of 94.8%. There were 14 cases of complications, including 6 cases of early complications and 8 cases of delayed complications. All five implants that failed to survive were included in the early complications. The survival of implants was significantly associated with the occurrence of complications and the absorption of bone greater than 1 mm within 1 year after prosthetic completion. In addition, the absorption of bone greater than 1 mm within 1 year after prosthetic completion was significantly associated with the occurrence of complications, primary stability, and implant placement method. Five cases that failed to survive were all included in the early complications criteria such as infection, failure of initial osseointegration, and early exposure of the fixture. ConclusionsOf the 96 cases, 5 implants failed resulting in a 94.8% survival rate. The failed implants were all cases of early complications such as infection, failure of initial osseointegration, and early exposure of the fixtures. Peri-implantitis was mostly addressed through conservative and/or surgical treatment and resulted in very low prosthetic complications. Therefore, if preventive measures are taken to minimize initial complications, the results can be very stable.

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참고문헌 (29)

참고문헌 신청
Albrektsson T / 1981 / Osseointegrated titanium implants. Requirements for ensuring a long-lasting, direct bone-to-implant anchorage in man / Acta Orthop Scand 52:155~170 google schola Wennerberg A / 1997 / A 1-year follow-up of implants of differing surface roughness placed in rabbit bone / Int J Oral Maxillofac Implants 12:486~494 google schola Kim Y-K / 2010 / Subject’s subjective satisfaction and short-term clinical evaluation of Osstem TS III SA implant / Dental Clin 30(7):430~443 google schola Lee Y-J / 2003 / Recent trends in research on implant surface treatment-from the viewpoint of bone healing / Implantology 12:12~29 google schola Hak-Kyun Kim / 2015 / Five-year retrospective radiographic follow-up study of dental implants with sandblasting with large grit, and acid etching-treated surfaces / 대한구강악안면외과학회지 41(6):317~321 google schola

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