Department of Oral and Maxillofacial Surgery, Academic Medical Center, Amsterdam and Academic Center for Dentistry (ACTA), University of Amsterdam, Amsterdam, The Netherlands.
J Oral Rehabil. 2013 Oct;40(10):774-9. doi: 10.1111/joor.12093. Epub 2013 Aug 26.
The aim of this study was to assess the primary stability of dental implants by resonance frequency analysis (RFA) using the Osstell™ and Osstell Mentor™ devices and to investigate the reproducibility and comparability of the results obtained with these devices. Twenty-four Straumann implants (Straumann AG, Basel, Switzerland) were placed in the anterior mandible of 12 fresh edentulous human cadaver mandibles. The implant stability quotients (ISQs) were measured with the Osstell™ and Osstell Mentor™ when implants were inserted at 50% of their length and following their complete insertion. The Osstell™ device measured lower scores compared with the Osstell Mentor™. This was significant for the full position (mean difference = 9·9), t (11) = 7·4, P < 0·001 and for the halfway position (mean difference = 5·9), t (11) = 2·41, P = 0·03. In conclusion, the Osstell™ produced relatively lower ISQ scores than the Osstell Mentor™.
本研究旨在通过共振频率分析（RFA）评估牙科种植体的初始稳定性，使用 Osstell™ 和 Osstell Mentor™ 设备，并研究这些设备获得的结果的可重复性和可比性。24 颗 Straumann 种植体（Straumann AG，巴塞尔，瑞士）被植入 12 个新鲜无牙人尸体下颌骨的前下颌骨。当植入物插入其长度的 50%和完全插入后，使用 Osstell™ 和 Osstell Mentor™ 测量种植体稳定性指数（ISQ）。Osstell™ 设备测量的分数低于 Osstell Mentor™。这在完全位置（平均差异= 9.9），t（11）= 7.4，P < 0.001 和中途位置（平均差异= 5.9），t（11）= 2.41，P = 0.03 时具有统计学意义。总之，Osstell™ 产生的 ISQ 分数相对低于 Osstell Mentor™。
