Primary outcome measurement
The assessment of the primary outcome measurements during the first 21 days included the evaluation of the clinical outcome (tight or open) of the defect closure process for both groups. Figure Patient of the PRF group with an OAC in region 27 (left side: postoperatively, center: 1 week post op, right side: 3 weeks post op)Patient of the BAF group with an OAC in region 16 (left side: postoperatively, center: 1 week post op, right side: 3 weeks post op)