Preprint Article Version 1 This version is not peer-reviewed

Reliability and Validity of Three Instruments for Measuring Implant Stability Quotient

Version 1 : Received: 15 July 2020 / Approved: 20 July 2020 / Online: 20 July 2020 (08:05:06 CEST)

How to cite: Blazquez-Hinarejos, M.; Saka-Herrán, C.; Diez-Alonso, V.; Lopez-Lopez, J.; Ayuso‐Montero, R.; Velasco-Ortega, E. Reliability and Validity of Three Instruments for Measuring Implant Stability Quotient. Preprints 2020, 2020070457 (doi: 10.20944/preprints202007.0457.v1). Blazquez-Hinarejos, M.; Saka-Herrán, C.; Diez-Alonso, V.; Lopez-Lopez, J.; Ayuso‐Montero, R.; Velasco-Ortega, E. Reliability and Validity of Three Instruments for Measuring Implant Stability Quotient. Preprints 2020, 2020070457 (doi: 10.20944/preprints202007.0457.v1).

Abstract

Background: Actually, resonance frequency analysis (RFA) is the most extended method for measuring implant stability. The implant stability quotient (ISQ) is the measure obtained by the different RFA devices, however, inter- and intra- rater reliability and validity of some devices remains unknown. Methods: Thirty implants were placed in 3 different pig mandibles. ISQ was measured axial and parallel with Osstell® Beacon, Penguin® and MegaISQ® by 2 different operators and one operator performed a test-retest. Intraclass correlation coefficient was calculated to assess the intra- and inter-rater reliability. Pearson correlation coefficient was used to assess the validity. Results: The higher inter- and intra- rater reliability was obtained by Penguin® when measuring axial. The highest ISQ values were obtained using Penguin® in an axial measurement; the lowest, using the MegaISQ® in an axial measurement. The highest correlation values with the other devices were obtained by MegaISQ® measuring axially. Conclusion: Penguin® had a good reliability for measuring ISQ both inter- and intra- rater. Osstell® had good validity for measuring ISQ both axial and parallel and MegaISQ® had the best validity for measuring ISQ axial.

Subject Areas

resonance frequency analysis; implant stability quotient; reliability; validity

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