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Implant stability related to insertion torque force and bone density: An in vitro study
J Tricio1, D van Steenberghe, D Rosenberg
1Department of Periodontology, Catholic University of Leuven, Belgium.
The Journal of Prosthetic Dentistry
|December 1, 1995
Summary
Dental implant stability is strongly linked to insertion torque and bone density. Periotest values correlate with these factors, aiding in assessing implant osseointegration and predicting success in dental procedures.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Orthopedic Biomechanics
Background:
- Assessing dental implant stability is crucial for successful osseointegration.
- Objective measurement of implant-bone interface characteristics remains an area of research.
Purpose of the Study:
- To investigate the relationship between implant insertion torque, bone density, and Periotest values (PTVs).
- To evaluate the influence of abutment and implant length on PTVs.
Main Methods:
- Seventy-five implants were placed in bovine ribs.
- Insertion torque was measured using a torque gauge manometer.
- Bone density was analyzed via digital radiographs and histograms.
- Periotest (PT) device was used to assess damping characteristics at the implant-bone interface.
Main Results:
- High correlations were found between PTVs and insertion torque (R = -0.74579).
- High correlations were observed between PTVs and bone density (R = -0.83031).
- Significant differences in PTVs were noted across various abutment lengths (p < 0.001), but implant length showed no significant influence (p = 0.3847).
Conclusions:
- Periotest values are reliable indicators of implant stability, correlating strongly with insertion torque and bone density.
- Abutment length significantly affects Periotest measurements, while implant length does not.
- These findings support the use of Periotest as a non-invasive method to assess dental implant stability.