from 1993 to 1997 he specialized in prosthodontics at the dental clinic of the clinical hospital centre zagreb. as part of his specialized practice in 1995 he worked in gothenburg (sweden) at branemark implantology clinic. in 1997, as a specialist in dental prosthetics, he was head of the surgical prosthetics, clinical department of oral surgery, for surgery of the face and jaw, at university hospital dubrava. the center is the only one of its kind in croatia.