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. 2021 May 8;2021:6686857. doi: 10.1155/2021/6686857

Table 3.

Landry Wound Healing Indexes of each group on the first week after tooth extraction.

Control A-PRF L-PRF
Soft tissue healing 1st week Surgical (%) Nonsurgical (%) Surgical (%) Nonsurgical (%) Surgical (%) Nonsurgical (%)
Very poor 0.0 7.1 0.0 0.0 0.0 0.0
Poor 75.0 57.1 0.0 0.0 14.3 8.3
Good 25.0 28.6 0.0 27.3 57.1 50.0
Very good 0 7.1 100 63.6 28.6 25.0
Excellent 0 0 0.0 9.1 0.0 16.7
P 51.664 (≤0.001)

A-PRF = advanced platelet-rich fibrin, L-PRF = leukocyte-platelet-rich fibrin, and P = P value, calculated by chi square test.