I think i have found the reason of my tooth discoloration. I have antibiotics called Augmentin on 26Sept for my flu. Meanwhile, i noticed my teeth turned gray about 1 week ago. That should be around 5-Oct.
From a US medication journal, i found some similar reporting of tooth discoloration by Augmentin. I am surprised, worrying and angry about this. My anger is the doctor didn't warning me. This discoloration associated with this drug is caused by formation of deposits on the tooth surface but does not impair the internal dental structure. From the case quoted from the journal, 3 patients listed below, no treatment was provided...but Discoloration persisted for several months !!
But i am not sure my grayness will disappear or not. They said brushing can help. But i am still worry about this