Medical and veterinary preparations and articles, namely, platelet-rich plasma containing autologous proteins from human blood; Dental preparations and articles, namely, platelet-rich plasma containing autologous proteins from human blood; Pharmaceutical preparations used to treat dental conditions, namely, loss of bone in the maxillary sinus area due to tooth loss; Implantable materials for use in guided tissue regeneration in the nature of living tissue used as surgical implants, namely, a ...