Аннотация:A computer simulation of orthopedic rehabilitation planning for a patient 67 years
old with implants placement onto the edentulous mandible was carried out. The
material of implants and dentures (titanium or zirconium dioxide) had little effect
on the stress-strain state of bone tissue. Increased osseointegration (modeled by
increasing friction from full slip to full adhesion) led to a decrease in the concentration
of both stresses and displacements. Oblique loads were more dangerous than vertical
ones, loading in the lateral part of the artificial dentition – more dangerous than in
the frontal compartment. Comparison of different implantation schemes showed that
an increase in the number of implants somewhat smoothed the concentration of both
stresses and displacements in bone tissues.
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