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Comparative Evaluation of Dental Implant Failure among Healthy and Well-Controlled Diabetic Patients—A 3-Year Retrospective Study
Open AccessArticle

Reliability of the Resonance Frequency Analysis Values in New Prototype Transepithelial Abutments: A Prospective Clinical Study

1
Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain
2
Porto Dental Institute, 4150-518 Porto, Portugal
3
Advanced Periodontics, School of Dentistry, Universidad de Sevilla, C/Avicena S/N, 41009 Sevilla, Spain
4
Department of Social and Health Sciences, Universidad de Sevilla, 41009 Sevilla, Spain
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(18), 6733; https://doi.org/10.3390/ijerph17186733
Received: 12 August 2020 / Revised: 7 September 2020 / Accepted: 9 September 2020 / Published: 16 September 2020
(This article belongs to the Special Issue Impact of Dental Implants on Oral Health)
Resonance frequency analysis (RFA) requires abutment disconnection to monitor implant stability. To overcome this limitation, an experimental transepithelial abutment was designed to allow a SmartPeg to be screwed onto it, in order to determine the prototype abutments repeatability and reproducibility using Osstell ISQ and to assess whether implant length and diameter have an influence on the reliability of these measurements. RFA was conducted with a SmartPeg screwed directly into the implant and onto experimental abutments of different heights of 2, 3.5 and 5 mm. A total of 32 patients (116 implants) were tested. RFA measurements were taken twice for each group from mesial, distal, buccal and palatal/lingual surfaces. Mean values and SD were calculated and Intraclass Correlation Coefficients (ICC) (p < 0.05, IC 95%). The implant stability quotient (ISQ) mean values were 72.581 measured directly to implant and 72.899 (2 mm), 72.391 (3.5 mm) and 71.458 (5 mm) measured from the prototypes. ICC between measurements made directly to implant and through 2-, 3.5- and 5-mm abutments were 0.908, 0.919 and 0.939, respectively. RFA values registered through the experimental transepithelial abutments achieved a high reliability. Neither the implant length nor the diameter had any influence on the measurements’ reliability. View Full-Text
Keywords: implant stability; osseointegration; implantology; implant design implant stability; osseointegration; implantology; implant design
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Guerrero-González, M.; Monticelli, F.; Saura García-Martín, D.; Herrero-Climent, M.; Ríos-Carrasco, B.; Ríos-Santos, J.-V.; Fernández-Palacín, A. Reliability of the Resonance Frequency Analysis Values in New Prototype Transepithelial Abutments: A Prospective Clinical Study. Int. J. Environ. Res. Public Health 2020, 17, 6733.

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