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Fig. 4. Scatterplot depicting indirect calculated ...

Fig. 4. Scatterplot depicting indirect calculated and direct measured ISQ values of the tested implants Fig. 4. Scatterplot depicting indirect calculated and direct measured ISQ values of the tested implants

Fig. 3. Example of a typical autospectrum pointing...

Fig. 3. Example of a typical autospectrum pointing to a 1 maximum RF based on 1000 measurements in case of a Straumann test implant Fig. 3. Example of a typical autospectrum pointing to a 1 maximum RF based on 1000 measurements in case of a Straumann test implant

Fig. 2. Clamped Osstell probe orientated towards a...

Fig. 2. Clamped Osstell probe orientated towards a Smartpeg mounted on a test implant. Note the red laser beam dot on the flat surface of the Smartpeg hexagon part Fig. 2. Clamped Osstell probe orientated towards a Smartpeg mounted on a test implant. Note the red laser beam dot on the flat surface of the Smartpeg hexagon part

Fig. 1. Concept for study of deflection and stiffn...

Fig. 1. Concept for study of deflection and stiffness aspects of implant-Smartpeg complex by laser Doppler vibrometry. Intentional partial imbedding of implants allows to detect both the deflection of implant and Smartpeg separately at different vertical levels by changing the position of the laser beam Fig. 1. Concept for study of deflection and stiffness aspects of implant-Smartpeg complex ...

Table 2 Mean values (± SD) of recorded maximum ...

Batch # Implant system Implant length (mm) Implant diameter (mm) Mean measured resonance freq (kHz) SD meas...

Table 1 Published secondary implant stability valu...

Author and study Implant position (implant number) Mean ISQ values at given time-point post-insertion Type of Osstell device used Barewal et al. 2003 [10] ...

About this article : ISQ calculation evaluation of...

Debruyne, S., Grognard, N., Verleye, G. et al. ISQ calculation evaluation of in vitro laser scanning vibrometry-captured resonance frequency. Int J Implant Dent 3, 44 (2017). https://doi.org/10.1186/s40729-017-0105-3 Download citation Received: 11 April 2017 Accepted: 28 September 2017 Published: 12 October 2017 DOI: https://doi.org/10.1186/s40729-017-0105-3

Rights and permissions : ISQ calculation evaluatio...

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were...

Ethics declarations : ISQ calculation evaluation o...

Stijn Debruyne, Nicolas Grognard, Gino Verleye, Korneel Van Massenhove, Dimitrios Mavreas, and Bart Vande Vannet declare that they have no competing interests. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Author information : ISQ calculation evaluation of...

Correspondence to Nicolas Grognard.

Author information : ISQ calculation evaluation of...

Department of Mechanics, Research Group Propolis, School of Engeneering Sciences, Katholieke Hoge School Brugge-Oostende, Ostend, Belgium Stijn Debruyne Kliniek Royal, Koningstraat 41, 8400, Ostend, Belgium Nicolas Grognard CHIR-Unit Dentistry–ORHE, Department of Orthodontics, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium Nicolas Gro...

References : ISQ calculation evaluation of in vitr...

Han J, Lulic M, Lang NP. Factors influencing resonance frequency analyis assessed by Osstell Mentor during implant issue integration: II: implant surface modifications and implant diameter. Clin Oral Implants Res. 2010;6:605–11. Bornstein M, Hart C, Halbritter S, Morton D, Buser D. Early loading of nonsubmerged titanium implants with a chemically modified sand-blasted and acid-etched surface: 6...

References : ISQ calculation evaluation of in vitr...

Adell R, Lekholm U, Brånemark PI. Surgical procedures. In: Brånemark PI, Zarb GA, Albrektsson T, editors. Tissue integrated prothese. Osseointegration in clinical dentistry. Chigaco: Quintessence; 1985. p. 211–32. Strid K. Radiographic procedures. In: Brånemark P-I, Zarb G, Albrektsson T, editors. Tissue integrated prothese. Osseointegration in clinical dentistry. Chigaco: Quintessence; 1985...

Conclusions : ISQ calculation evaluation of in vit...

In conclusion, the present study demonstrated that the algorithm applied and provided by Osstell to calculate ISQ values is correct, making the laboratory procedure valuable for future research focused on stiffness aspects of the implant-Smartpeg complex and its possible influence on the overall RFA measurement. Vice versa, the present study demonstrates the correctness of the actual applied algor...

Discussion : ISQ calculation evaluation of in vitr...

The focus of this in vitro study was to develop a laboratory method, intended for future research of aspects of implant-Smartpeg complex stiffness and its possible influence on the overall RFA-based implant stability determination. In the past, other laboratory methodologies have been engineered to investigate implant deflection and/or lateral displacement by means of transducers. A setup using a ...

Results : ISQ calculation evaluation of in vitro l...

Mean values (± SD) of recorded maximum RF values, calculated indirect ISQ values, and direct recorded ISQ values for Ankylos (A) and Straumann (S) test implants are shown in Table 2. Using the Shapiro-Wilk test for indirect ISQ (p = 0.05) and direct ISQ (p = 0.02), we can conclude that both indirect and direct ISQ measures are not drawn from a normal distribution (data not shown). Bot...

Methods : ISQ calculation evaluation of in vitro l...

In total, for each given implant type with a given diameter/length configuration, 25 measurements for indirect and 5 measurements for direct ISQ computing were performed. The SPSS statistical software package 22.0 (IBM SPSS, Chicago, USA) was used. A Shapiro-Wilk test was used to verify distribution normality for both direct and indirect determined ISQ values. The paired sample t test and the Wil...

Methods : ISQ calculation evaluation of in vitro l...

The Smartpeg excitation mode was exactly performed as described above. Notation of the maximum resonance frequency for indirect measurements is followed by notation of direct ISQ value on the display of Osstell IDx device. Positioning of the probe was not changed during indirect and direct recordings for a given test implant. Each resin block contained five identical implants with attached Smartp...

Methods : ISQ calculation evaluation of in vitro l...

Test implants originating from various manufacturers were investigated. Straumann sandblasted, large-grit, acid-etched (SLA)® tissue level standard implants (Straumann AG, Basel, Switzerland) with the following diameter: length configurations were 3.3–12 mm (RN connection), 3.3–4.1 mm (RN connection), and 4.8–8 mm (WN connection), Ankylos Cell Plus® surfaced B-implant types (Dentsply Im...

Background : ISQ calculation evaluation of in vitr...

Laser Doppler vibrometry possesses a working principle based on the so-called Doppler effect and allows non-contact quantitative measurement of vibration (https://en.wikpedia.org/wiki/Laser_scanning_vibrometry, 2017). The Doppler effect itself finds its origin when a light beam is backscattered on a vibrating surface and experiences a change in wave phase (https://en.wikipedia.org/wiki/Doppler_eff...

Background : ISQ calculation evaluation of in vitr...

The computed ISQ value is based on the following calculation formulae: Hereby, f denotes the measured maximum resonance frequency (RF). Coefficients a, b, c, d, and e are property information of Osstell (Osstell AB, Gothenburg, Sweden). The coefficients were provided for internal use under the agreement of no publication. From clinical reports [10,11,12,13,14,15,16] listed in Table 1, it ...

Background : ISQ calculation evaluation of in vitr...

At present, multiple implant stability assessment methodologies are used, both of invasive and non-invasive nature, including percussion test [1], X-ray evaluation [2], cutting resistance during implant insertion (e.g., electronic insertion torque determination) [3], turn-out or reverse torque test [4], Periotest® [5, 6], and resonance frequency analysis (“RFA”), e.g., the Osstell method [7, ...

Abstract : ISQ calculation evaluation of in vitro ...

Implant stability testing at various stages of implant therapy by means of resonance frequency analysis is extensively used. The overall measurement outcome is a function of the resulting stiffness of three entities: surrounding bone, bone-implant complex, and implant-Smartpeg complex. The influence of the latter on the overall measurement results is presently unknown. It can be investigated in vi...

Fig. 4. Scatterplot depicting indirect calculated ...

Fig. 4. Scatterplot depicting indirect calculated and direct measured ISQ values of the tested implants Fig. 4. Scatterplot depicting indirect calculated and direct measured ISQ values of the tested implants

Fig. 3. Example of a typical autospectrum pointing...

Fig. 3. Example of a typical autospectrum pointing to a 1 maximum RF based on 1000 measurements in case of a Straumann test implant Fig. 3. Example of a typical autospectrum pointing to a 1 maximum RF based on 1000 measurements in case of a Straumann test implant

Fig. 2. Clamped Osstell probe orientated towards a...

Fig. 2. Clamped Osstell probe orientated towards a Smartpeg mounted on a test implant. Note the red laser beam dot on the flat surface of the Smartpeg hexagon part Fig. 2. Clamped Osstell probe orientated towards a Smartpeg mounted on a test implant. Note the red laser beam dot on the flat surface of the Smartpeg hexagon part

Fig. 1. Concept for study of deflection and stiffn...

Fig. 1. Concept for study of deflection and stiffness aspects of implant-Smartpeg complex by laser Doppler vibrometry. Intentional partial imbedding of implants allows to detect both the deflection of implant and Smartpeg separately at different vertical levels by changing the position of the laser beam Fig. 1. Concept for study of deflection and stiffness aspects of implant-Smartpeg complex ...

Table 2 Mean values (± SD) of recorded maximum ...

Batch # Implant system Implant length (mm) Implant diameter (mm) Mean measured resonance freq (kHz) SD meas...

Table 1 Published secondary implant stability valu...

Author and study Implant position (implant number) Mean ISQ values at given time-point post-insertion Type of Osstell device used Barewal et al. 2003 [10] ...

About this article : ISQ calculation evaluation of...

Debruyne, S., Grognard, N., Verleye, G. et al. ISQ calculation evaluation of in vitro laser scanning vibrometry-captured resonance frequency. Int J Implant Dent 3, 44 (2017). https://doi.org/10.1186/s40729-017-0105-3 Download citation Received: 11 April 2017 Accepted: 28 September 2017 Published: 12 October 2017 DOI: https://doi.org/10.1186/s40729-017-0105-3

Rights and permissions : ISQ calculation evaluatio...

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were...

Ethics declarations : ISQ calculation evaluation o...

Stijn Debruyne, Nicolas Grognard, Gino Verleye, Korneel Van Massenhove, Dimitrios Mavreas, and Bart Vande Vannet declare that they have no competing interests. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Author information : ISQ calculation evaluation of...

Correspondence to Nicolas Grognard.

Author information : ISQ calculation evaluation of...

Department of Mechanics, Research Group Propolis, School of Engeneering Sciences, Katholieke Hoge School Brugge-Oostende, Ostend, Belgium Stijn Debruyne Kliniek Royal, Koningstraat 41, 8400, Ostend, Belgium Nicolas Grognard CHIR-Unit Dentistry–ORHE, Department of Orthodontics, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium Nicolas Gro...

References : ISQ calculation evaluation of in vitr...

Han J, Lulic M, Lang NP. Factors influencing resonance frequency analyis assessed by Osstell Mentor during implant issue integration: II: implant surface modifications and implant diameter. Clin Oral Implants Res. 2010;6:605–11. Bornstein M, Hart C, Halbritter S, Morton D, Buser D. Early loading of nonsubmerged titanium implants with a chemically modified sand-blasted and acid-etched surface: 6...

References : ISQ calculation evaluation of in vitr...

Adell R, Lekholm U, Brånemark PI. Surgical procedures. In: Brånemark PI, Zarb GA, Albrektsson T, editors. Tissue integrated prothese. Osseointegration in clinical dentistry. Chigaco: Quintessence; 1985. p. 211–32. Strid K. Radiographic procedures. In: Brånemark P-I, Zarb G, Albrektsson T, editors. Tissue integrated prothese. Osseointegration in clinical dentistry. Chigaco: Quintessence; 1985...

Conclusions : ISQ calculation evaluation of in vit...

In conclusion, the present study demonstrated that the algorithm applied and provided by Osstell to calculate ISQ values is correct, making the laboratory procedure valuable for future research focused on stiffness aspects of the implant-Smartpeg complex and its possible influence on the overall RFA measurement. Vice versa, the present study demonstrates the correctness of the actual applied algor...

Discussion : ISQ calculation evaluation of in vitr...

The focus of this in vitro study was to develop a laboratory method, intended for future research of aspects of implant-Smartpeg complex stiffness and its possible influence on the overall RFA-based implant stability determination. In the past, other laboratory methodologies have been engineered to investigate implant deflection and/or lateral displacement by means of transducers. A setup using a ...

Results : ISQ calculation evaluation of in vitro l...

Mean values (± SD) of recorded maximum RF values, calculated indirect ISQ values, and direct recorded ISQ values for Ankylos (A) and Straumann (S) test implants are shown in Table 2. Using the Shapiro-Wilk test for indirect ISQ (p = 0.05) and direct ISQ (p = 0.02), we can conclude that both indirect and direct ISQ measures are not drawn from a normal distribution (data not shown). Bot...

Methods : ISQ calculation evaluation of in vitro l...

In total, for each given implant type with a given diameter/length configuration, 25 measurements for indirect and 5 measurements for direct ISQ computing were performed. The SPSS statistical software package 22.0 (IBM SPSS, Chicago, USA) was used. A Shapiro-Wilk test was used to verify distribution normality for both direct and indirect determined ISQ values. The paired sample t test and the Wil...

Methods : ISQ calculation evaluation of in vitro l...

The Smartpeg excitation mode was exactly performed as described above. Notation of the maximum resonance frequency for indirect measurements is followed by notation of direct ISQ value on the display of Osstell IDx device. Positioning of the probe was not changed during indirect and direct recordings for a given test implant. Each resin block contained five identical implants with attached Smartp...

Methods : ISQ calculation evaluation of in vitro l...

Test implants originating from various manufacturers were investigated. Straumann sandblasted, large-grit, acid-etched (SLA)® tissue level standard implants (Straumann AG, Basel, Switzerland) with the following diameter: length configurations were 3.3–12 mm (RN connection), 3.3–4.1 mm (RN connection), and 4.8–8 mm (WN connection), Ankylos Cell Plus® surfaced B-implant types (Dentsply Im...

Background : ISQ calculation evaluation of in vitr...

Laser Doppler vibrometry possesses a working principle based on the so-called Doppler effect and allows non-contact quantitative measurement of vibration (https://en.wikpedia.org/wiki/Laser_scanning_vibrometry, 2017). The Doppler effect itself finds its origin when a light beam is backscattered on a vibrating surface and experiences a change in wave phase (https://en.wikipedia.org/wiki/Doppler_eff...

Background : ISQ calculation evaluation of in vitr...

The computed ISQ value is based on the following calculation formulae: Hereby, f denotes the measured maximum resonance frequency (RF). Coefficients a, b, c, d, and e are property information of Osstell (Osstell AB, Gothenburg, Sweden). The coefficients were provided for internal use under the agreement of no publication. From clinical reports [10,11,12,13,14,15,16] listed in Table 1, it ...

Background : ISQ calculation evaluation of in vitr...

At present, multiple implant stability assessment methodologies are used, both of invasive and non-invasive nature, including percussion test [1], X-ray evaluation [2], cutting resistance during implant insertion (e.g., electronic insertion torque determination) [3], turn-out or reverse torque test [4], Periotest® [5, 6], and resonance frequency analysis (“RFA”), e.g., the Osstell method [7, ...

Abstract : ISQ calculation evaluation of in vitro ...

Implant stability testing at various stages of implant therapy by means of resonance frequency analysis is extensively used. The overall measurement outcome is a function of the resulting stiffness of three entities: surrounding bone, bone-implant complex, and implant-Smartpeg complex. The influence of the latter on the overall measurement results is presently unknown. It can be investigated in vi...