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A clinical retrospective analysis of dental implants replaced in previously failed sites



A clinical retrospective analysis of dental implants replaced in previously failed sites



Shanghai Kou Qiang Yi Xue 23(2): 196-200



To evaluate the clinical outcomes as well as related factors of dental implants replaced in previously failed sites. A total of 12 patients (15 implants) who received replacement in previously failed sites during January 2005 to December 2011 were included. Outcomes of redo-implants were collected and clinical data was recorded and analyzed regarding risk factors related to redo-implants' survival using SPSS13.0 software package. The survival rate of redo-implants was 100% [(33.5±15.4) months]. The mean redo-implant diameter (4.5±0.6) mm was significantly larger than the previous one (4.1±0.7) mm (P<0.05). The mean survival time of implants placed for the first time was (12.9±15.9) months. Implant replacement occurred (6.8±4.4) months after original implant removal. No significant influence was observed on patient and implant-related factors as well as surgery and prosthesis-dependent factors. Reimplantation in previously failed site is considered as one of feasible prosthesis plans, and surgeons ought to get enough confidence to achieve satisfactory implant survival rates. Supported by Liaoning Provincial Natural Science Foundation (20092093), Liaoning Provincial Science and Technology Foundation (2012225090), and Shenyang Science and Technology Foundation (F11-264-1-25, F12-277-1-18).

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Accession: 051101640

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PMID: 24935843


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