An otherwise healthy 65-year-old male patient presented with a tooth 12 that was not worthy of preservation, and a request for implantological restoration (Figs. 1a–c). The initial situation shows a crown that is clearly angulated vestibular, and inflamed, slightly reddened and swollen vestibular mucosa with partial loss of the papillary tips. First, atraumatic extraction of tooth 12 was performed with preservation of the alveolar walls (Fig. 2a). The vestibular lamella was already resorbed due to the inflammatory process (Fig. 2b) caused by a longitudinal fracture (Fig. 2c). Complementing this, the alveolus was recon-structed in terms of ARP (Alveolar Ridge Preservation) using autologous platelet and fibrin concentrate (platelet-rich fibrin–PRF) in combination with the β-tricalcium phosphate collagen matrix (CERASORB® Foam, curasan; Figs. 3a–c). In order to achieve optimal shaping of the soft tissue, the gap was provisionally addressed with a removable interim prosthesis...
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