The percentage of bone in the periodontium in the hDPSC injection group was 12.8 ± 4.4 %, while it was 17.4 ± 5.3 % ... 3c). The percentage of bone in the periodontium in the hDPSC sheet group was 17.4 ± 5.3 % while it was 12.8 ± 4.4 % in the ... The percentage of bone in the periodontium was larger in the hDPSC sheet group and hDPSC injection group compared with the ... Image J semi-quantitative analysis showed the percentage of bone in the periodontium in the hDPSC injection group and hDPSC ...