The evaluation of implant stability measured by resonance frequency analysis in different bone types

Sargolzaie, N. and Samizade, S. and Arab, H. and Ghanbari, H. and Khodadadifard, L. and Khajavi, A. (2019) The evaluation of implant stability measured by resonance frequency analysis in different bone types. Journal of the Korean Association of Oral and Maxillofacial Surgeons, 45 (1). pp. 29-33.

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Abstract

Objectives: Bone density seems to be an important factor affecting implant stability. The relationship between bone density and primary and secondary stability remains under debate. The aim of this study was to compare primary and secondary stability measured by resonance frequency analysis (RFA) between different bone types and to compare implant stability at different time points during 3 months of follow-up. Materials and Methods: Our study included 65 implants (BioHorizons Implant Systems) with 3.8 or 4.6 mm diameter and 9 or 10.5 mm length in 59 patients. Bone quality was assessed by Lekholm–Zarb classification. After implant insertion, stability was measured by an Osstell device using RFA at three follow-up visits (immediately, 1 month, and 3 months after implant insertion). ANOVA test was used to compare primary and secondary stability between different bone types and between the three time points for each density type. Results: There were 9 patients in type I, 18 patients in type II, 20 patients in type III, and 12 patients in type IV. Three implants failed, 1 in type I and 2 in type IV. Stability values decreased in the first month but increased during the following two months in all bone types. Statistical analysis showed no significant difference between RFA values of different bone types at each follow-up or between stability values of each bone type at different time points. Conclusion: According to our results, implant stability was not affected by bone density. It is difficult to reach a certain conclusion about the effect of bone density on implant stability as stability is affected by numerous factors. © 2019 The Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

Item Type: Article
Additional Information: Export Date: 16 February 2020 Correspondence Address: Khodadadifard, L.; Department of Periodontics, College of Dentistry, Mashhad University of Medical Science, Park Square, Iran; email: l.khodadadifard@gmail.com
Uncontrolled Keywords: Dental implant Implant stability Implant stability quotient adult analysis of variance Article bone density bone level device failure evaluation study female follow up human major clinical study male resonance frequency analysis surgical technique
Subjects: WU Dentistry. Oral surgery
Divisions: Mashhad University of Medical Sciences
Depositing User: mr lib1 lib1
Date Deposited: 27 Jun 2020 05:31
Last Modified: 27 Jun 2020 05:31
URI: http://eprints.mums.ac.ir/id/eprint/18629

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