目的：探讨ISQ值与种植体脱落的相关性。方法严格按照随机化的原则选择2011年5月至2013年5月，于本院就诊的105例牙列缺损患者，共植入148枚非潜入式NobelReplace种植体，并在术后1、3、6、8、12周对其进行稳定性的共振频率分析（RFA）。结果根据初期ISQ值是否小于等于50分为低初始值组（ISQ≤50）和高初始值组（ISQ>50），随访发现，低初始值组总脱落率为26.67%，高初始值组总脱落率为1.28%，经卡方分析，χ2=10.85，P<0.01，两组总脱落率差异有统计学意义；高初始值后期有小幅下降，若持续下降，则种植易失败；低初始值后期不断升高，否则种植易失败。结论 ISQ为评价种植体初期稳定性的客观指标，Osstell ISQ能良好评价和监测种植体稳定性，值得在临床上进一步推广。%Objective To investigate the correlation between implant stability quotient (ISQ) values and implants off. Methods 105 cases of dentition defect were selected who were implanted in 148 non-submerged replace implants,selected by strict randomization from May 2011 to May 2013 in our hospital. The resonance frequency analysis (RFA) was analyzed after 1,3,6,8,12 week. Results The patients was divided into low initial value group (ISQ≤50) and high initial value group (ISQ>50). According the follow-up data, it was found that 26.67%off rate in the low initial group, 1.28% in the high initial value group, the difference was statistically significant (χ2 = 10.85, P<0.011); The high initial value lately declined slightly,but if continued to decline, the planting would prone to failure. The low initial late values would be rised lately,otherwise the planting proned to failure. Conclusion ISQ was Objective indicators for the evaluation of the initial implant stability,and Osstell ISQ can evaluate and monitor the implant stability. It is worthy of further promotion in clinical practice.
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