amalgam removal

hi iv just had my Amalgams all removed 7in total with white compoites but i can still see abit of Amalgam in to of them wot should i do as i am scared that all there done i coverd them with white composite and not taken them out at all is there anyway i can find out wether there actually taken the Amalgam out or just missid afew bits im fuming with them as its cost me a arm&leg for this and havent got anymore money now please help Tweet