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

María Guerrero-González, Francesca Monticelli, David Saura García-Martín, Mariano Herrero-Climent, Blanca Ríos-Carrasco, José-Vicente Ríos-Santos and Ana Fernández-Palacín
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María Guerrero-González: Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain
Francesca Monticelli: Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain
David Saura García-Martín: Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain
Mariano Herrero-Climent: Porto Dental Institute, 4150-518 Porto, Portugal
Blanca Ríos-Carrasco: Advanced Periodontics, School of Dentistry, Universidad de Sevilla, C/Avicena S/N, 41009 Sevilla, Spain
José-Vicente Ríos-Santos: Advanced Periodontics, School of Dentistry, Universidad de Sevilla, C/Avicena S/N, 41009 Sevilla, Spain
Ana Fernández-Palacín: Department of Social and Health Sciences, Universidad de Sevilla, 41009 Sevilla, Spain

IJERPH, 2020, vol. 17, issue 18, 1-13

Abstract: 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.

Keywords: implant stability; osseointegration; implantology; implant design (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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