Plates made from collagen and hydroxyapatite, resorbable collagen membranes. PARODONKOL being completely resorbable intensifies the bone formation and stimulates a wound-healing in osseous tissues. PARODONKOL surgical is used in various reconstructive operations in maxillofacial region, i.e. closure of cleft palate, cleft alveolar process, restoration of cortical plate, alveolar process correction, etc. PARODONKOL periodontal is used for surgical treatment of periodontal diseases and other bone grafting operation. PARODONKOL universal has another size and higher adhesion.