Facultad de Odontología, Universidad de Sevilla, C/ Avicena S/N, 41009 Sevilla, (Spain),
Med Oral Patol Oral Cir Bucal. 2019 Sep 1;24(5):e636-e642. doi: 10.4317/medoral.22761.
Assess the reliability (by means of reproducibility and repeatability) of the PenguinRFA system, analyse the ISQ values of different implant types and correlate the ISQ with the insertion torque during the placement of the implant.
120 rough surface implants were placed in bovine bone (type II and III). The implants were divided into groups, according to its design. Once the implants were in place, the exact insertion torque was registered. Then, primary stability was measured by means of the resonance frequency analysis with the PenguinRFA and the Osstell ISQ devices. In each implant two transducers of each device were used. Three measurements were obtained with each transducer.
The mean ISQ (implant stability quotient) of the whole sample is 67,70 ± 5,51. The Intraclass Correlation Coefficient (ICC) is 0,933 and 0,944 for transducers 1 and 2 respectively. The reproducibility is 0,906. The mean insertion torque is 24,54 ± 8,96N. The correlation between the ISQ and the insertion torque is 0,507 p<0,000 (MultiPeg 1) and 0,468 p<0,000 (MultiPeg 2) for bone type II and 0,533 p<0,801 (MultiPeg 1) and 0,193 p<0,140 (MultiPeg 2) for bone type III.
The results of the present trial suggest that the PenguinRFA presents excellent reproducibility and repeatability, so it could be very useful in the monitoring of the stability of implants over time. Additionally, according to the results, the correlation between the IT and the RFA is low and there are no statistically significant differences in between implant types.
评估 PenguinRFA 系统的可靠性（通过可重复性和再现性），分析不同种植体类型的 ISQ 值，并将 ISQ 值与种植体植入时的植入扭矩相关联。
将 120 个粗糙表面种植体植入牛骨（II 型和 III 型）。根据其设计将种植体分为不同的组。一旦种植体就位，就会记录准确的植入扭矩。然后，使用 PenguinRFA 和 Osstell ISQ 设备通过共振频率分析测量初始稳定性。在每个种植体上，每个设备使用两个传感器。每个传感器获得三次测量值。
整个样本的平均 ISQ（种植体稳定性指数）为 67.70 ± 5.51。内类相关系数（ICC）分别为 0.933 和 0.944 对于传感器 1 和 2。重复性为 0.906。平均植入扭矩为 24.54 ± 8.96N。ISQ 与植入扭矩之间的相关性为 0.507 p<0.000（MultiPeg 1）和 0.468 p<0.000（MultiPeg 2）对于 II 型骨，以及 0.533 p<0.801（MultiPeg 1）和 0.193 p<0.140（MultiPeg 2）对于 III 型骨。
本试验结果表明，PenguinRFA 具有出色的可重复性和再现性，因此在监测种植体随时间的稳定性方面非常有用。此外，根据结果，IT 和 RFA 之间的相关性较低，并且种植体类型之间没有统计学上的显著差异。
