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Brouwers JEIG, Buis S, de Groot PG, de Laat B, Remijn JA. Resonance frequency analysis with two different devices after conventional implant placement with ridge preservation: A prospective pilot cohort study. Clin Implant Dent Relat Res 2021; 23:789-799. [PMID: 34312973 DOI: 10.1111/cid.13031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 05/18/2021] [Accepted: 06/14/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Primary and secondary implant stability is of high importance for survival and success of dental implants in the short and long term. Measurements of implant stability during healing provide the opportunity to monitor the course of the osseointegration process. PURPOSE To compare implant stability quotient (ISQ) by resonance frequency analysis (RFA), recorded with two different devices after implant placement. MATERIALS AND METHODS Patients with the need of single tooth extraction in posterior sites of the maxilla and the mandible were treated in a surgical center. All patients received additional augmentation with a bovine bone substitute and platelet-rich fibrin (PRF) after atraumatic tooth extraction. After a healing period of 10 weeks, 28 self-tapping titanium-implants were placed. Implant stability was recorded with two different devices (Osstell and Penguin) at the time of implant insertion (T0), 10 days later (T1), and after 7 (T2), or 17 weeks (T3). RESULTS No implant was lost, and no postoperative complication occurred during follow-up. Patient cohort comprised 9 female (32.1%) and 19 male patients (67.9%), with a mean age of 52.8 years, 64.3 years, respectively. Mean overall insertion torque was 43.6 Ncm at implant placement with no significant difference between implant location, age, or gender. No patient dropped out. During observation period, a significant increase in mean ISQ was recorded with both devices. Significant positive correlations between insertion torque and ISQ were recorded with both devices at T0, T2, and T3. No significant differences were observed in ISQ-values between both devices, and measuring directions at any point of measurement. CONCLUSIONS Within the limitations of this cohort study, both devices were suitable for RFA-measurement and revealed comparable results. Due to the cordless design, handling of the Penquin device was more comfortable. Reusability of the Penguin MultiPeg-transducers may offer an additional benefit with regard on ecological aspects.
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Affiliation(s)
| | - Sharon Buis
- Institute for Dental Implantology, Amersfoort, the Netherlands
| | - Philip G de Groot
- Synapse Research Institute, Maastricht, the Netherlands.,Cardiovascular Research Institute Maastricht, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Bas de Laat
- Synapse Research Institute, Maastricht, the Netherlands.,Cardiovascular Research Institute Maastricht, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Jasper A Remijn
- Synapse Research Institute, Maastricht, the Netherlands.,Department of Clinical Chemistry, Cardiovascular Research Institute Maastricht, Meander Medical Center, Amersfoort, the Netherlands.,Department of Clinical Chemistry and Hematology, Gelre Hospitals, Apeldoorn, the Netherlands
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2
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Kitagawa IL, Miyazaki CM, Pitol-Palin L, Okamoto R, de Vasconcellos LMR, Constantino CJL, Lisboa-Filho PN. Titanium-Based Alloy Surface Modification with TiO 2 and Poly(sodium 4-styrenesulfonate) Multilayers for Dental Implants. ACS APPLIED BIO MATERIALS 2021; 4:3055-3066. [PMID: 35014394 DOI: 10.1021/acsabm.0c01348] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Implant placement is an important repair method in dentistry and orthopedics. Increasing efforts have focused on optimizing the biocompatibility and osseointegration properties of titanium (Ti) and Ti-based alloys. In this work, Ti-based alloys were modified by the layer-by-layer (LbL) technique, which is a simple and versatile method for surface modification. The morphology and chemical structure of LbL films of poly(sodium 4-styrenesulfonate) (PSS) and Ti dioxide (TiO2) nanoparticles were first characterized employing ultraviolet-visible and Fourier-transform infrared spectroscopies as well as atomic force microscopy for further application in Ti-based alloy implants. The changes provoked by the LbL PSS/TiO2 film on the Ti-based alloy surfaces were then investigated by scanning electron microscopy and micro-Raman techniques. Finally, in vivo tests (immunolabeling and biomechanical analysis) performed with screw implants in rats suggested that PSS/TiO2 multilayers promote changes in both topography and chemical surface properties of the screw, providing beneficial effects for osteoblast activity. This simple and relatively low-cost growth process can open up possibilities to improve dental implants and, probably, bone implants in general.
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Affiliation(s)
- Igor L Kitagawa
- School of Sciences, Department of Physics, UNESP São Paulo State University, Bauru, São Paulo 17033-360, Brazil.,Science and Technology of São Paulo, IFSP Federal Institute of Education, Campus Birigui, Birigui, São Paulo 16201-407, Brazil
| | - Celina M Miyazaki
- CCTS, Federal University of São Carlos, Sorocaba, São Paulo 18052-780, Brazil
| | - Letícia Pitol-Palin
- Araçatuba Dental School, Department of Basic Science, UNESP São Paulo State University, Araçatuba 16018-805, Brazil
| | - Roberta Okamoto
- Araçatuba Dental School, Department of Basic Science, UNESP São Paulo State University, Araçatuba 16018-805, Brazil
| | - Luana M R de Vasconcellos
- Institute of Science and Technology, Department of Biosciences and Oral Diagnosis, UNESP São Paulo State University, São José dos Campos, São Paulo 12245-000, Brazil
| | - Carlos J L Constantino
- School of Technology and Applied Sciences, Department of Physics, UNESP São Paulo State University, Presidente Prudente, São Paulo 19060-900, Brazil
| | - Paulo N Lisboa-Filho
- School of Sciences, Department of Physics, UNESP São Paulo State University, Bauru, São Paulo 17033-360, Brazil
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Daher FI, Abi-Aad HL, Dimassi HI, Baba NZ, Majzoub ZA. Factors Affecting Implant Stability Quotients at Immediately and Conventionally Loaded Implants in the Posterior Maxilla: A Split-Mouth Randomized Controlled Trial. J Prosthodont 2021; 30:590-603. [PMID: 33215755 DOI: 10.1111/jopr.13296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2020] [Indexed: 02/06/2023] Open
Abstract
PURPOSE To assess primary and secondary stability of variable-thread tapered implants in the posterior maxilla and analyze the impact of various factors on implant stability quotients (ISQs). MATERIALS AND METHODS Twenty-six subjects received 3-4 adjacent implants in the maxillary premolar-molar sextants to replace bilateral tooth loss. The implants on one side were immediately loaded with a provisional fixed prosthesis regardless of their primary stability. The contralateral control implants were conventionally loaded. Bone quality was subjectively recorded and primary stability was assessed by means of insertion torque values (ITVs) and ISQs in 4 directions. Secondary stability was measured by ISQ at definitive prosthesis delivery (3-3.5 months postoperatively), and 12 months after definitive loading. The impact of measurement direction, loading protocol, time, site-related (bone quality, implant position, crestal buccal bone thickness, apical cortical anchorage), and implant-related (implant dimensions, abutment height) variables on ISQs was assessed. RESULTS For logistic reasons, ISQs were obtained for only 18 patients with 60 test and 60 control implants. Most of the implants (82%) at baseline had their lowest ISQ on the buccal aspect. There were no significant differences between ISQs measured in the buccal and palatal directions, or between ISQs in the mesial and distal directions. The mean of buccal and palatal ISQs was significantly lower than the mean of the 2 interproximal measurements at all evaluation periods. ISQs were not significantly different between the 2 loading groups at any time point. All implants showed a time-dependent increase in ISQs. Baseline ISQ correlated weakly with bone quality and ITV. None of the variables had a significant impact on baseline ISQs, except for implants in second molar sites which showed poorer primary stability than first premolars. CONCLUSION Measurement direction and time are the most significant parameters affecting ISQs of variable-thread tapered implants in the posterior maxilla.
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Affiliation(s)
- Fadi I Daher
- Department of Periodontics, Lebanese University, Faculty of Dental Medicine, Hadath, Lebanon
| | - Habib L Abi-Aad
- Department of Periodontics, Lebanese University, Faculty of Dental Medicine, Hadath, Lebanon
| | - Hani I Dimassi
- School of Pharmacy, Department of Pharmaceutical Sciences, Lebanese American University, Byblos, Lebanon
| | - Nadim Z Baba
- Advanced Dental Education Program in Implant Dentistry, Loma Linda University, School of Dentistry, Loma Linda, CA
| | - Zeina Ak Majzoub
- Department of Periodontics, Lebanese University, Faculty of Dental Medicine, Hadath, Lebanon
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Guerrero-González M, Monticelli F, Saura García-Martín D, Herrero-Climent M, Ríos-Carrasco B, Ríos-Santos JV, Fernández-Palacín A. Reliability of the Resonance Frequency Analysis Values in New Prototype Transepithelial Abutments: A Prospective Clinical Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17186733. [PMID: 32947802 PMCID: PMC7559410 DOI: 10.3390/ijerph17186733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/07/2020] [Accepted: 09/09/2020] [Indexed: 06/11/2023]
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.
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Affiliation(s)
- María Guerrero-González
- Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain; (M.G.-G.); (F.M.); (D.S.G.-M.)
| | - Francesca Monticelli
- Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain; (M.G.-G.); (F.M.); (D.S.G.-M.)
| | - David Saura García-Martín
- Periodontics, Faculty of Health and Sport Sciences, Universidad de Zaragoza, C/Velódromo S/N, 22006 Huesca, Spain; (M.G.-G.); (F.M.); (D.S.G.-M.)
| | | | - 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;
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Is It Possible to Monitor Implant Stability on a Prosthetic Abutment? An In Vitro Resonance Frequency Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17114073. [PMID: 32521612 PMCID: PMC7313046 DOI: 10.3390/ijerph17114073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/03/2020] [Accepted: 06/04/2020] [Indexed: 11/17/2022]
Abstract
In order to apply the “one-abutment–one-time” concept, we evaluated the possibility of measuring resonance frequency analysis (RFA) on the abutment. This trial aimed to compare the Implant Stability Quotient (ISQ) values obtained by the PenguinRFA when screwing the transducer onto the implant or onto abutments with different heights and angulations. Eighty implants (VEGA®, Klockner Implant System, SOADCO, Les Escaldes, Andorra) were inserted into fresh bovine ribs. The groups were composed of 20 implants, 12 mm in length, with two diameters (3.5 and 4 mm). Five different abutments for screwed retained restorations (Permanent®) were placed as follows: straight with 1, 2, and 3 mm heights, and angulated at 18° with 2 and 3 mm heights. The mean value of the ISQ measured directly on the implant was 75.72 ± 4.37. The mean value of the ISQ registered over straight abutments was 79.5 ± 8.50, 76.12 ± 6.63, and 71.42 ± 6.86 for 1, 2, and 3 mm height abutments. The mean ISQ over angled abutments of 2 and 3 mm heights were 68.74 ± 4.68 and 64.51 ± 4.53 respectively. The present study demonstrates that, when the ISQ is registered over the straight abutments of 2 and 3 mm heights, the values decrease, and values are lower for angled, 3 mm height abutments.
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