I use bio absorbable fixation in only two situations.
First, I hate using metal anchors and use bioabsorbable anchors when performs tenosuspensions.
The other application is in Syndesmotic Diastasis repairs. This precludes me from having to remove a screw before allowing a patient to ambulate.
I was trained on using bioabsorbable pins for fixation in bunion repairs and saw so many complications with this in residency that I have never used it since.