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

Abstract

Abstract: PURPOSE: To evaluate the clinical outcomes as well as related factors of dental implants replaced in previously failed sites. METHODS: 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. RESULTS: The survival rate of redo-implants was 100% . 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. CONCLUSIONS: 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.

Key words: Dental implant, Implant failure, Reimplantation

CLC Number:

R782.12

HE Jing, SHANG Ya-wei, DENG Chun-fu, SHANG De-hao, ZHANG Chong, WANG Dan-ning, ZHAO Bao-hong. A clinical retrospective analysis of dental implants replaced in previously failed sites[J]. Shanghai Journal of Stomatology, 2014, 23(2): 196-200.

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