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11:51
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
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Correlation between resonance frequency, insertion torque and bone-implant contact in self-cutting threaded implants.
Yahya Açil1, Jan Sievers2, Aydin Gülses3
1Department of Oral and Maxillofacial Surgery, Christian-Albrecht-Universität zu Kiel, Kiel, Germany.
Odontology
|August 20, 2016
Summary
Resonance frequency analysis (RFA) shows a moderate correlation with bone-implant contact (BIC) immediately after dental implant placement. Peak insertion torque (PIT) did not show a significant correlation with either RFA or BIC.
Area of Science:
- Dental Implantology
- Biomaterials Science
- Histomorphometry
Background:
- Assessing initial implant stability is crucial for successful osseointegration.
- Resonance frequency analysis (RFA) and peak insertion torque (PIT) are common methods to evaluate primary stability.
- Histomorphometric bone-implant contact (BIC) provides a direct measure of osseointegration.
Purpose of the Study:
- To evaluate the correlation between RFA values and histomorphometric BIC immediately after implant insertion.
- To determine the correlation between PIT and BIC and RFA.
Main Methods:
- 15 dental implants were inserted into porcine bone.
- Insertion torque was measured, and RFA was recorded using Osstell® ISQ.
- Bone-implant contact (BIC) was assessed via histomorphometry after implant removal.
Main Results:
- A moderate, statistically significant positive correlation was found between RFA and BIC (R=0.579, p=0.026).
- No statistically significant correlation was observed between PIT and BIC (p>0.05).
- No statistically significant correlation was observed between PIT and RFA (p>0.05).
Conclusions:
- RFA is a moderately reliable indicator of initial bone-implant contact.
- PIT is not a reliable indicator of initial bone-implant contact or RFA in this model.
- Further research on varying bone qualities is recommended.
Keywords:
Bone-implant contactCorrelationDental implantsHistomorphometric measurementsImmediate loadingInsertion torquePrimary stabilityResonance frequency analysisMore Related Videos
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