After being informed about the study and potential risks, 13 patients giving written informed consent and who meet the eligibility requirements were randomly allocated in a single blind manner (participants) to test group (PRP combined with DFDBA) or control group (DFDBA).~33 sites (18 test, 15 control unpaired defects) were treated - 1) to investigate the possible additional effects of PRP when combined with DFDBA, and 2) to compare the clinical and radiographic outcomes obtained in test and control groups,12 months post - operatively.
The purpose of this clinical trial is to compare the results in subjects with periodontitis using subjects own blood - Platelet-rich plasma (PRP) combined with bone graft material, namely, Demineralized Freeze - Dried Bone Allograft (DFDBA) or DFDBA alone in the treatment of bone defects around the teeth.