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Surgical procedure. a-b), Sulcular incision exposed the furcation defect showing horizontal and vertical bone loss of involved teeth. c-d) Decontamination of root with Tetracycline. Harvested PRFs (h) were mixed with particulate allogenic bone (f) grafted in the defect (e), and PRF membrane covered the site (g). i-j), Buccal and lingual views of coronal advancement of flap and suturing.
