Resonance Frequency Analysis, Insertion Torque, and Bone to Implant Contact of 4 Implant Surfaces: Comparison and Correlation Study in Sheep

@article{Dagher2014ResonanceFA,
  title={Resonance Frequency Analysis, Insertion Torque, and Bone to Implant Contact of 4 Implant Surfaces: Comparison and Correlation Study in Sheep},
  author={Maroun Dagher and Nadim Mokbel and Gabriel Jabbour and Nada Naaman},
  journal={Implant Dentistry},
  year={2014},
  volume={23},
  pages={672–678}
}
Introduction:Primary stability is evaluated using resonance frequency analysis (RFA) and insertion torque (IT). Although there is a strong correlation between RFA and IT, studies failed to find a correlation between RFA and bone to implant contact (BIC) or IT and BIC. Objective:To compare RFA, IT, and BIC of SLA, SLActive, Euroteknika, and TiUnite implant surfaces and evaluate the correlation between them. Materials and Methods:Thirty-two implants were placed in 8 sheep. RFA and IT were… 
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Background Citations
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Results Citations
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      Correlation between resonance frequency, insertion torque and bone-implant contact in self-cutting threaded implants
      TLDR
      A moderate and statistically positive correlation between resonance frequency analysis (RFA) values and the histomorphometric bone-implant contact (BIC) immediately after insertion of the implant was confirmed.
      Assessment of Dental Implant Stability in Areas Previously Submitted to Maxillary Sinus Elevation.
      TLDR
      No differences were observed in the ISQ between T1 and T2 when the 20 implants were grouped, nor when the 9 mm implants were evaluated separately, and there was no difference in insertion torque between 9 and 11 mm implants, nor was there a correlation between ISQ and insertion torque.
      Effect of Primary Stability and Soft- and Hard-Tissue Thickness on Marginal Bone Loss: A Prospective Pilot Study
      TLDR
      It and mucosal tissue thickness did not influence marginal bone loss and Buccal bone thickness of ≥2 mm was associated with a minimal marginal bone remodeling.
      Influence of Implant Surfaces on Osseointegration: A Histomorphometric and Implant Stability Study in Rabbits.
      TLDR
      Both implant surfaces, Aq and Neo, were able to produce similar implant bone integration when normal cortical bone instrumentation was performed, and RFA values were significantly higher at the final period of evaluation compared with those obtained at early periods.
      Effect of implant macro-design on primary stability: A prospective clinical study
      TLDR
      Within the limits of the present study, tapered shaped implants achieve higher primary stability measured through ISQ and insertion torque values, and for cylindrical implants positive correlation has been established between implant diameter and primary stability.
      Influence of Different Factors on the Resonance Frequency Analysis in Assessment of Implant Stability - Review
      • Elitsa Sabeva
      • Materials Science
        Scripta Scientifica Medicinae Dentalis
      • 2019
      TLDR
      It seems that among the discussed factors, BIC, bone density, implant diameter and the orientation of the transducer demonstrated more distinct relation to the RFA results, while the influence of the implant surface modification and implant length on the ISQ values remains controversial.
      Effect of Implant Thread Geometry on Secondary Stability, Bone Density, and Bone-to-Implant Contact: A Biomechanical and Histological Analysis
      TLDR
      Large threaded implants showed significantly higher %BIC and %BV than small threaded implants in low-density bone and statistically higher secondary stability in cancellous and cortical bones.
      Combined microcomputed tomography, biomechanical and histomorphometric analysis of the peri-implant bone: a pilot study in minipig model.
      Analysis of Bone Microstructure in Relation to Implant Macro Geometry in Bovine Bone. Histological Study Comparing between Double Spire Implants (Immediate Load) and Other Implant Systems
      TLDR
      Comparison of bone histology in proximity of the implant between macrostructure double loop (Immediate load) with other implant companies helps the clinician to determine more precisely which type of implant is less damaging to the surrounding bone and which implant preserves a greater erythrocyte infiltration.
      Monitoring the Changes of Material Properties at Bone-Implant Interface during the Healing Process In Vivo: A Viscoelastic Investigation
      TLDR
      There is a positive correlation between implant stability parameters and peri-implant-bone healing, indicating that the RFA and Periotest are useful for measuring changes of viscoelastic properties at bone-im implant interface and are reliable for indirectly predicting the degree of osseointegration.
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