dear Dr, i have bad smelling from mouth. some times when I cough deeply, a white bad smelling particles coming from mouth.They look like small peel of a skin. i used many tooth pastes and gargles to get rid of this problem. But no use. due to this bad smelling particles i feel bad smell in mouth, mouth become bitter. i am brushing my mouth 3 times a day. when i saw those particles in microscope in (40 x field) they look like long shape of paricles. My tonge become white always.please advice me.