Study variables
PD, bone defect
SECONDARY
The primary variables of this clinical study were Bio-Oss and CGF application.The primary outcome variables were the effect of bone defect repair, including the height and width of bone repair in the extraction socket, angle of the distal infrabony pocket of the second molar at 3rd month, 6th month and 12th month.The secondary outcome variables were post operative symptom severity scale (PoSSe), probing depth (PD) and degree of gingival recession.