Evaluation of osseointegration by resonance frequency analysis in patients with different bone mineral density: clinical and biomechanical aspects

The method of resonance frequency analysis was used to compare the stability of dental implants in patients with normal bone tissue condition, osteopenia and osteoporosis. The indicators allow obtaining information on the state of the implants and determining the permissible biomechanical load using an orthopedic structure. The measurement method allows observing the dynamics of the osteointegration process, and, if necessary, make timely adjustments to the functional load.

Material and methods: comprehensive examination and treatment of 690 patients who applied to the clinic for dental flaw removal by dental implantation. Among them, 547 were (79.3%) women and 143 (20.7%) men. In preparation for dental implantation operations, all patients, except for the standard examination, were also densitometrically examined by double X-ray photon absorptiometry, which revealed systemic changes in bone mineral density. Stability of dental implants and osteointegration were monitored by resonance frequency analysis.

Results: the overall value of the resonance-frequency analysis, regardless of the region of implants installed in patients with normal bone tissue, differed from those of the osteopenia and osteoporosis group, and was respectively higher by 7.1% (p < 0.001) and 10.1% (p < 0.001). The overall rate in the osteopenia group was higher, and differed from such a group of patients with osteoporosis by 5.7% (p < 0.001).

Conclusion: the results of the resonance-frequency analysis provide significant information about the state of the implant-bone interface at different stages of treatment and at control examinations of patients. The measurement method allows observing the dynamics of the osteointegration process, and, if necessary, make timely adjustments to the functional load. Resonance frequency analysis is an important method for documenting the clinical outcome of implantation.

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