chemicals used in industrial, scientific, surgical, medical dental and veterinary fields for use in the manufacture of bone replacement materials, [ implementation ] * implantation * materials, [ proghesis ] * prosthesis * coatings and drug delivery systems; unprocessed artificial resins used in industrial, scientific, surgical, medical, dental and veterinary fields; unprocessed plastics used in industrial, scientific, surgical, medical, dental and veterinary fields; ceramics for industrial, ...