The study aimed to evaluate biocompatibility. osteoconduction and osseointegration of a pasty composite of hydroxyapatite (20%) and lignin (80%) as a promoter of metal implant and bone tissue integration. An intramedullary Schanz pin was implanted in both tibias of fifteen bitches. In the left tibia. http://missouriquiltcoes.shop/product-category/color-cards/