Fig. 10
a, The inter-implant distance at the neck level of two neighbouring implants in the virtual planning model was named dn, and that at the apex level was named da; b, The inter-implant distance at the neck level of two neighbouring implants in the post-operative CBCT scan was named dn′, and that at the apex level was named da′; The mean difference between the virtual and actual inter-implant distances of two adjacent implants was calculated