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[Dental amalgams and mercury polemic in Abidjan].

Dental amalgam is metallic biomaterials which has raised a number of controversies in the past few years, because of mercury potential toxicity. Considering the significance of theses controversies, this study was carried out with a view to evaluating the behaviour of Abidjan-based practitioners with respect to dental amalgam. The contemplated objective is to determine the frequency in the use of dental amalgam, to identify the problems encountered using dental amalgam and to propose solutions for fighting mercury contamination. The results show that dental amalgam is used in 81.8% for posterior teeth restoration. The side effects mentioned are metallic taste, gingival tattoo, galvanic corrosion and tooth pain. This is why 21.8 % of practitioners believe that the controversy over dental amalgam has merits while 45.5% hold the contrary opinion because of lack of scientific arguments. However, considering the absence of means to treat amalgam waste, dentist practitioners and authorities have to get involved to fight against mercury contamination.