“…Grafts were mainly used for treatment of supra‐ and infrabony defects 19,20,22‐24,55‐57,59‐61 and sinus augmentation 17,18,54,62‐64,66 . There were three studies 21 , 53 , 65 on ridge augmentation/GBR and three studies 26 , 52 , 58 on postextraction grafting. Furthermore, there was one study on furcation treatment 51 and aggressive periodontitis (AgP) treatment 28 .…”