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KMID : 1004520110270040393
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Journal of Dental Rehabilitation and Applied Science
2011 Volume.27 No. 4 p.393 ~ p.403
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3-Year Survival Analysis of RBM and Acid-Etched Surface Implants
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Yoon Dae-Woong
Kim Moon-Seob
Jang Han-Seung
Jin Soo-Young
Mah Deuk-Hyun
Jeong Gyeong-Dal
Park Hyun-Chun
Kim Hee-Jung
Kim Hak-Kyun
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Abstract
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The purpose of this study was to analyze and compare survival rates of resorbable blast media(RBM) surface and acid-etched surface implants being usually used in clinics. RBM surface implants (USII, Osstem, Busan, Korea) or acid-etched surface implants (, Biomet , FL, USA) were placed in edentulous area of 140 patients between January of 2005 and March of 2007. The number of implants was 304, and 152 out of them were RBM surface implants while another 152 were acid-etched surface implants. According to the evaluation items, the survey was performed before and after the implants installations. The 3-year survival rates of both kind of implants were calculated. 1. Total of 152 RBM surface implants were placed. Among them, one implant was failed, which was implanted in the posterior mandible with D2 bone quality. The failure was resulted from fracture of the fixture. Others showed good results and survival rate of RBM surface implant was 99.34%. 2. Total of 152 acid-etched surface implants were placed. Seven implants of them were failed, thus, survival rate was 95.39%. The causes of the failures were considered as infection, overheat and the lack of initial stability. In this research, both implants showed good 3-year survival rate, although RMB surface implant represented a better result.
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KEYWORD
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resorbable blasting media(RBM), acid-etched, survival rates
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