18 dentists reported treating their infectious waste before disposal, either on-site (8 dentists) or off-site (10 dentists), using the following methods: incineration (22%), autoclave(17%) or other (17%), such as chemical sterilisation, disinfection,open burning in the back yard and use of antiseptic solutions.
Most of the surveyed dentists who acknowledged using amalgam disposed of it either in the municipal waste (34%, 82 respondents) or directly in the sink (22%, 53 respondents).