Mau JL, et al. - Authors assessed the clinical esthetic outcome when two different bone grafting materials were utilized. In the control group, they used the autogenous bone to cover the exposed implant surface then a layer of deproteinized bovine bone mineral (DBBM) was added. In the test group, the exposed implant surface was covered with a layer of freezed-dried bone allograft (FDBA) in combination with the collagen membrane. In early implant placement with contour augmentation after 1 year, a stable clinical and esthetic outcomes were resulted by autogenous bone plus DBBM and FDBA each combined with a collagen membrane. For the test and control groups, the mean total pink esthetic score (PES)/white esthetic score (WES) were 15.29 and 15.33 respectively, with no significant difference between groups.