Group 1: Test Group 1 = Ridge preservation of tooth extraction sockets using PURGO "THE Graft collagen" collagenated soft type block bone substitute material supplemented with autologous blood concent

Clinical evaluation of xenogene bone and soft tissue substitute materials in bone augmentation (Ridge Augmentation, lateral/vertical) of lower / upper jaw in preparation for implantation – a pilot study

Randomized, controlled, clinical evaluation of xenogene bone and soft tissue substitute materials (PURGO THE Graft, PURGO THE Cover) in ridge preservation