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KMID : 0362820100290010010
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Journal of the Korean Academy of Implant Dentistry
2010 Volume.29 No. 1 p.10 ~ p.14
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Retrospective clinical study of sinus bone graft and implant placement: simultaneous and delayed
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Lee Seong-Yeon
Kim Young-Kyun
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Abstract
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After sinus bone graft, implants were placed simultaneously, or after the course of healing time. This study was intended to determine the survival rates, complication rates of implants placed in grafted maxillary sinuses and compare the results obtained with timing of implant placement. We retrospectively reviewed the medical records of 117 cases of implants from 53 patients who were treated at Seoul National University Bundang Hospital from August 2003 to December 2006. Simultaneous implant placement after sinus bone graft(Simultaneous protocol) were 88 cases of implants from 39 patients and number of delayed protocol were 29 cases of implants from 14 patients. The complication rate of simultaneous protocol group was 14.77%, and the survival rate was 93.18%. In delayed protocol, the complication rate was 17.24% and the survival rate was 89.66%. The survival rate(P=0.568) and the complication rate(P=0.453) according to timing of implant placement revealed no statistically significant difference. It is considered that the clinical outcome of sinus bone graft and simultaneous implant placement is similar to the delayed placement if we select adequately according to the residual bone height.
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KEYWORD
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delayed, implant, simultaneous, sinus bone graft
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